008 Válvula de Compuerta y doble sello - Cesar Delgado

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M303A
GATE VALVE
DIMENSIONS
 &
WEIGHTS
2
Table of Contents
DESIGN TYPES 3
COMPARISON OF M303 and M303A TOPWORKS 4
M-303A API CLASS 150 5
M-303A API CLASS 300 6
M-303A API CLASS 400 7
M-303A API CLASS 600 8
M-303A API CLASS 900 9
M-303A API CLASS 1500 10
M-303A API CLASS 2500 11
HANDWHEEL OPERATOR (HWO) 12
BEVEL GEAR OPERATOR (BGO) 12
STANDARD M303A NOMINAL BORE 13
M303A OPTIONAL OPERATOR MOUNTING 14
NOTES
 15
3
II
VALVE WITH CUPOLA
III
VALVE WITH CUPOLA & RIBS
DESIGN TYPES
I
VALVE WITHOUT CUPOLA
4
YOKE LENGTH
VARIES PER OPERATOR
STEM NUT HEIGHT
BECAUSE OF TOP MOUNTED
DOWNSTOP
NOTE: YOKE CAN NOT
 BE REMOVED WITH
 VALVE UNDER PRESSURE
DOWNSTOP COUPLING
OR COLLAR (SEATS ON
PACKING RETAINER 
WHEN VALVE IS IN THE
CLOSED POSITION)
OPERATOR STEM
NUT HEIGHT IS NOT
USED TO DETERMINE
YOKE OR STEM LENGTH
M-303A
STARTING 1996
M-303
1975-1996
COMPARISON OF 
M-303 AND M-303A TOPWORK FEATURES, 
HIGHLIGHTING IMPROVEMENTS 
MADE TO THE M-303A
TOP MOUNTED DOWNSTOP
SEATS ON OPERATOR
STEM NUT WHEN VALVE
IS IN CLOSED POSITION
4) STANDARD YOKE
LENGTH FOR ALL
OPERATORS. ADAPTER
FLANGE MAY BE USED
IN SOME CASES
1) BOLTED PACKING RETAINER ALLOWS
YOKE TO BE REMOVED WHILE VALVE
IS UNDER PRESSURE
3) WIPER/SCRAPER
CLEANS STEM PRIOR
TO GOING THROUGH
STEM PACKING
2) ONE PIECE STEM WITH
DOWNSTOP COLLAR 2-12"
TWO PIECE STEM WITH DOWN
COUPLING 14-60" ALLOWS TH
USE OF STANDARD MATERIAL
THREADS WHILE LETTING OT
MATERIALS SUCH AS STAINLE
STEEL BE USED FOR WETTED
AREAS WHEN REQUIRED
WIPER/SCRAPER INDICATOR ROD 
SEAL ASSEMBLY. EARLY MODELS
 USED RUBBER GROMMETS
5) WIPER/SCRAPER
INDICATOR ROD
SEAL ASSEMBLY
 M-303A IMPROVEMENTS
1) BOLTED PACKING RETAINER
2) STEM DESIGN WITH COLLAR/COUPLING
3) WIPER/SCRAPER IN PACKING RETAINER
4)COMMON YOKE
5) WIPER/SCRAPER INDICATOR ROD SEAL
5
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M-303A API CLASS 150
A O P E N A C L O S E R F W E R T J F E W E
6 6 9 . 5 6 6 2 . 5 6 3 1 . 3 1 1 3 . 1 3 1 0 . 5 0 1 5 . 8 8 1 1 . 0 0 4 8 6 4 4 0
( 1 5 0 ) ( 1 7 6 7 ) ( 1 5 8 9 ) ( 7 9 5 ) ( 3 3 3 ) ( 2 6 7 ) ( 4 0 3 ) ( 2 7 9 ) ( 2 2 0 ) ( 2 0 0 )
8 8 1 . 4 4 7 2 . 3 8 3 6 . 1 3 1 6 . 0 0 1 1 . 5 0 1 6 . 5 0 1 2 . 0 0 7 8 8 7 1 0
( 2 0 0 ) ( 2 0 6 8 ) ( 1 8 3 8 ) ( 9 1 8 ) ( 4 0 6 ) ( 2 9 2 ) ( 4 1 9 ) ( 3 0 5 ) ( 3 5 7 ) ( 3 2 2 )
1 0 9 7 . 3 8 8 6 . 0 0 4 2 . 6 3 1 9 . 7 5 1 3 . 0 0 1 8 . 0 0 1 3 . 5 0 1 3 2 0 1 2 2 0
( 2 5 0 ) ( 2 4 7 3 ) ( 2 1 8 4 ) ( 1 0 8 3 ) ( 5 0 2 ) ( 3 3 0 ) ( 4 5 7 ) ( 3 4 3 ) ( 5 9 9 ) ( 5 5 3 )
1 2 1 0 9 . 8 8 9 6 . 3 8 4 7 . 9 4 2 2 . 9 4 1 4 . 0 0 1 9 . 7 5 1 4 . 5 0 1 7 6 8 1 6 0 0
( 3 0 0 ) ( 2 7 9 1 ) ( 2 4 4 8 ) ( 1 2 1 8 ) ( 5 8 3 ) ( 3 5 6 ) ( 5 0 2 ) ( 3 6 8 ) ( 8 0 2 ) ( 7 2 6 )
1 4 1 1 8 . 7 5 1 0 4 . 1 3 5 2 . 7 5 2 4 . 6 3 1 5 . 0 0 2 2 . 5 0 1 5 . 5 0 2 1 5 2 1 8 2 0
( 3 5 0 ) ( 3 0 1 6 ) ( 2 6 4 5 ) ( 1 3 4 0 ) ( 6 2 5 ) ( 3 8 1 ) ( 5 7 2 ) ( 3 9 4 ) ( 9 7 6 ) ( 8 2 5 )
1 6 1 3 0 . 0 0 1 1 3 . 3 8 5 7 . 5 0 2 7 . 1 3 1 6 . 0 0 2 4 . 0 0 1 6 . 5 0 2 5 2 4 2 1 4 0
( 4 0 0 ) ( 3 3 0 2 ) ( 2 8 8 0 ) ( 1 4 6 1 ) ( 6 8 9 ) ( 4 0 6 ) ( 6 1 0 ) ( 4 1 9 ) ( 1 1 4 5 ) ( 9 7 1 )
1 8 1 4 3 . 6 9 1 2 4 . 8 8 6 3 . 6 3 3 0 . 4 4 1 7 . 0 0 2 6 . 0 0 1 7 . 5 0 3 1 6 2 2 7 6 0
( 4 5 0 ) ( 3 6 5 0 ) ( 3 1 7 2 ) ( 1 6 1 6 ) ( 7 7 3 ) ( 4 3 2 ) ( 6 6 0 ) ( 4 4 5 ) ( 1 4 3 4 ) ( 1 2 5 2 )
2 0 1 5 7 . 1 3 1 3 6 . 1 3 6 9 . 6 3 3 3 . 7 5 1 8 . 0 0 2 8 . 0 0 1 8 . 5 0 3 6 7 0 3 3 1 0
( 5 0 0 ) ( 3 9 9 1 ) ( 3 4 5 8 ) ( 1 7 6 8 ) ( 8 5 7 ) ( 4 5 7 ) ( 7 1 1 ) ( 4 7 0 ) ( 1 6 6 4 ) ( 1 5 0 1 )
2 2 1 7 1 . 3 8 1 4 8 . 3 8 7 6 . 0 0 3 6 . 8 8 2 0 . 0 0 3 0 . 0 0 2 0 . 5 0 5 0 5 0 4 5 0 0
( 5 5 0 ) ( 4 3 5 3 ) ( 3 7 6 9 ) ( 1 9 3 0 ) ( 9 3 7 ) ( 5 0 8 ) ( 7 6 2 ) ( 5 2 1 ) ( 2 2 9 0 ) ( 2 0 4 1 )
2 4 1 8 3 . 2 5 1 5 8 . 0 6 8 0 . 3 1 4 0 . 1 9 2 0 . 0 0 3 2 . 0 0 2 0 . 5 0 5 8 9 8 5 2 9 0
( 6 0 0 ) ( 4 6 5 5 ) ( 4 0 1 5 ) ( 2 0 4 0 ) ( 1 0 2 1 ) ( 5 0 8 ) ( 8 1 3 ) ( 5 2 1 ) ( 2 6 7 5 ) ( 2 3 9 9 )
2 6 1 9 7 . 1 3 1 7 0 . 0 6 8 7 . 1 9 4 3 . 3 1 2 2 . 0 0 3 4 . 0 0 7 3 4 4 6 8 1 0
( 6 5 0 ) ( 5 0 0 7 ) ( 4 3 2 0 ) ( 2 2 1 5 ) ( 1 1 0 0 ) ( 5 5 9 ) ( 8 6 4 ) ( 3 3 3 1 ) ( 3 0 8 8 )
2 8 2 0 8 . 8 1 1 7 9 . 8 1 9 2 . 0 6 4 6 . 2 5 2 4 . 0 0 3 6 . 0 0 8 5 9 0 . 0 8 0 0 0 . 0
( 7 0 0 ) ( 5 3 0 4 ) ( 4 5 6 7 ) ( 2 3 3 8 ) ( 1 1 7 5 ) ( 6 1 0 ) ( 9 1 4 ) ( 3 8 9 6 ) ( 3 6 2 8 )
3 0 2 2 3 . 5 0 1 9 2 . 2 5 9 9 . 0 0 4 9 . 7 5 2 6 . 0 0 3 6 . 0 0 9 5 0 6 8 8 8 0
( 7 5 0 ) ( 5 6 7 7 ) ( 4 8 8 3 ) ( 2 5 1 5 ) ( 1 2 6 4 ) ( 6 6 0 ) ( 9 1 4 ) ( 4 3 1 1 ) ( 4 0 2 7 )
3 2 2 3 6 . 8 1 2 0 3 . 5 6 1 0 5 . 6 9 5 2 . 9 4 2 8 . 0 0 3 8 . 0 0 1 1 2 1 8 1 0 4 0 0
( 8 0 0 ) ( 6 0 1 5 ) ( 5 1 7 0 ) ( 2 6 8 4 ) ( 1 3 4 5 ) ( 7 1 1 ) ( 9 6 5 ) ( 5 0 8 8 ) ( 4 7 1 7 )
3 4 2 5 0 . 7 5 2 1 5 . 5 0 1 1 2 . 5 6 5 6 . 0 0 3 0 . 0 0 4 0 . 0 0 1 2 4 6 2 1 1 6 3 0
( 8 5 0 ) ( 6 3 6 9 ) ( 5 4 7 4 ) ( 2 8 5 9 ) ( 1 4 2 2 ) ( 7 6 2 ) 1 0 1 6 ( 5 6 5 2 ) ( 5 2 7 4 )
3 6 2 6 0 . 3 1 2 2 3 . 0 6 1 1 5 . 3 8 5 8 . 7 5 3 2 . 0 0 4 0 . 0 0 1 4 3 0 6 1 3 2 7 0
( 9 0 0 ) ( 6 6 1 2 ) ( 5 6 6 6 ) ( 2 9 3 1 ) ( 1 4 9 2 ) ( 8 1 3 ) ( 1 0 1 6 ) ( 6 4 8 8 ) ( 6 0 1 8 )
3 8 6 0 . 0 0 6 0 . 0 0
( 9 5 0 ) ( 1 5 2 4 ) ( 1 5 2 4 )
4 0 6 2 . 0 0 6 2 . 0 0
( 1 0 0 0 ) ( 1 5 7 4 ) ( 1 5 7 4 )
4 2 3 0 4 . 2 5 2 6 0 . 5 0 1 3 5 . 8 1 6 9 . 0 0 6 4 . 0 0 6 4 . 0 0 2 0 5 6 2 1 9 2 0 0 0
( 1 0 5 0 ) ( 7 7 2 8 ) ( 6 6 1 7 ) ( 3 4 5 0 ) ( 1 7 5 3 ) ( 1 6 2 6 ) ( 1 6 2 6 ) ( 9 3 2 5 ) ( 8 7 0 7 5 )
4 4 6 6 . 0 0 6 6 . 0 0
( 1 1 0 0 ) ( 1 6 7 6 ) ( 1 6 7 6 )
4 6 6 9 . 0 0 6 9 . 0 0
( 1 1 5 0 ) ( 1 7 5 3 ) ( 1 7 5 3 )
4 8 7 1 . 0 0 7 1 . 0 0
( 1 2 0 0 ) ( 1 8 0 3 ) ( 1 8 0 3 )
5 0 7 3 . 0 0 7 3 . 0 0
( 1 2 5 0 ) ( 1 8 5 4 ) ( 1 8 5 4 )
5 2 7 6 . 0 0 7 6 . 0 0
( 1 3 0 0 ) ( 1 9 3 0 ) ( 1 9 3 0 )
5 4 7 8 . 0 0 7 8 . 0 0
( 1 3 5 0 ) ( 1 9 8 1 ) ( 1 9 8 1 )
5 6 8 0 . 0 0 8 0 . 0 0
( 1 4 0 0 ) ( 2 0 3 2 ) ( 2 0 3 2 )
5 8 8 2 . 0 0 8 2 . 0 0
( 1 4 5 0 ) ( 2 0 8 3 ) ( 2 0 8 3 )
6 0 8 4 . 0 0 8 4 . 0 0
( 1 5 0 0 ) ( 2 1 3 4 ) ( 2 1 3 4 ) * *
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 I IIIII
6
 I II III 
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M-303A API CLASS 300
A O P E N A C L O S E R F W E R T J F E W E
6 6 9 . 5 6 6 2 . 5 6 3 1 . 3 1 1 3 . 1 3 1 5 . 8 8 1 5 . 8 8 1 6 . 5 0 5 2 2 4 4 0
( 1 5 0 ) ( 1 7 6 7 ) ( 1 5 8 9 ) ( 7 9 5 ) ( 3 3 3 ) ( 4 0 3 ) ( 4 0 3 ) ( 4 1 9 ) ( 2 3 7 ) ( 2 0 0 )
8 8 1 . 4 4 7 2 . 3 8 3 6 . 1 3 1 6 . 0 0 1 6 . 5 0 1 6 . 5 0 1 7 . 1 3 8 4 4 1 7 1 0
( 2 0 0 ) ( 2 0 6 8 ) ( 1 8 3 8 ) ( 9 1 8 ) ( 4 0 6 ) ( 4 1 9 ) ( 4 1 9 ) ( 4 3 5 ) ( 3 8 2 8 ) ( 3 2 2 )
1 0 9 7 . 3 8 8 6 . 0 0 4 2 . 6 3 1 9 . 7 5 1 8 . 0 0 1 8 . 0 0 1 8 . 6 3 1 5 7 0 1 4 1 0
( 2 5 0 ) ( 2 4 7 3 ) ( 2 1 8 4 ) ( 1 0 8 3 ) ( 5 0 2 ) ( 4 5 7 ) ( 4 5 7 ) ( 4 7 3 ) ( 7 1 2 ) ( 6 3 9 )
1 2 1 0 9 . 8 8 9 6 . 3 8 4 7 . 9 4 2 2 . 9 4 1 9 . 7 5 1 9 . 7 5 2 0 . 3 8 2 0 8 0 1 8 5 0
( 3 0 0 ) ( 2 7 9 1 ) ( 2 4 4 8 ) ( 1 2 1 8 ) ( 5 8 3 ) ( 5 0 2 ) ( 5 0 2 ) ( 5 1 8 ) ( 9 4 3 ) ( 8 3 9 )
1 4 1 1 8 . 7 5 1 0 4 . 1 3 5 2 . 7 5 2 4 . 6 3 3 0 . 0 0 3 0 . 0 0 3 0 . 6 3 2 2 9 2 1 8 6 0
( 3 5 0 ) ( 3 0 1 6 ) ( 2 6 4 5 ) ( 1 3 4 0 ) ( 6 2 5 ) ( 7 6 2 ) ( 7 6 2 ) ( 7 7 8 ) ( 1 0 3 9 ) ( 8 4 4 )
1 6 1 3 0 . 7 5 1 1 4 . 1 3 5 7 . 5 0 2 7 . 8 8 3 3 . 0 0 3 3 . 0 0 3 3 . 6 3 3 1 3 0 2 5 0 0
( 4 0 0 ) ( 3 3 2 1 ) ( 2 8 9 9 ) ( 1 4 6 1 ) ( 7 0 8 ) ( 8 3 8 ) ( 8 3 8 ) ( 8 5 4 ) ( 1 4 2 0 ) ( 1 1 3 4 )
1 8 1 4 4 . 1 9 1 2 5 . 3 8 6 3 . 6 3 3 0 . 9 4 3 6 . 0 0 3 6 . 0 0 3 6 . 6 3 4 3 7 4 3 6 3 0
( 4 5 0 ) ( 3 6 6 2 ) ( 3 1 8 5 ) ( 1 6 1 6 ) ( 7 8 6 ) ( 9 1 4 ) ( 9 1 4 ) ( 9 3 0 ) ( 1 9 8 4 ) ( 1 6 4 6 )
2 0 1 5 9 . 5 0 1 3 8 . 5 0 7 0 . 7 5 3 4 . 2 5 3 9 . 0 0 3 9 . 0 0 3 9 . 7 5 5 3 7 4 4 4 0 0
( 5 0 0 ) ( 4 0 5 1 ) ( 3 5 1 8 ) ( 1 7 9 7 ) ( 8 7 0 ) ( 9 9 1 ) ( 9 9 1 ) ( 1 0 1 0 ) ( 2 4 3 7 ) ( 1 9 9 5 )
2 2 1 7 3 . 2 5 1 5 0 . 2 5 7 7 . 3 8 3 7 . 3 8 4 3 . 0 0 4 3 . 0 0 4 3 . 8 8 6 4 1 8 5 3 9 0
( 5 5 0 ) ( 4 4 0 1 ) ( 3 8 1 6 ) ( 1 9 6 5 ) ( 9 4 9 ) ( 1 0 9 2 ) ( 1 0 9 2 ) ( 1 1 1 4 ) ( 2 9 1 1 ) ( 2 4 4 4 )
2 4 1 8 6 . 8 1 1 6 1 . 6 3 8 3 . 1 3 4 0 . 9 4 4 5 . 0 0 4 5 . 0 0 4 5 . 8 8 8 2 0 0 6 9 4 0
( 6 0 0 ) ( 4 7 4 5 ) ( 4 1 0 5 ) ( 2 1 1 1 ) ( 1 0 4 0 ) ( 1 1 4 3 ) ( 1 1 4 3 ) ( 1 1 6 5 ) ( 3 7 1 9 ) ( 3 1 4 7 )
2 6 1 9 9 . 7 5 1 7 2 . 6 9 9 2 . 5 6 4 0 . 5 6 4 9 . 0 0 4 9 . 0 0 5 0 . 0 0 8 9 7 4 8 0 5 0
( 6 5 0 ) ( 5 0 7 4 ) ( 4 3 8 6 ) ( 2 3 5 1 ) ( 1 0 3 0 ) ( 1 2 4 5 ) ( 1 2 4 5 ) ( 1 2 7 0 ) ( 4 0 7 0 ) ( 3 6 5 1 )
2 8 5 3 . 0 0 5 3 . 0 0 5 4 . 0 0
( 7 0 0 ) ( 1 3 4 6 ) ( 1 3 4 6 ) ( 1 3 7 2 )
3 0 2 2 5 . 3 1 1 9 4 . 0 6 1 0 1 . 3 8 4 9 . 7 5 5 5 . 0 0 5 5 . 0 0 5 6 . 0 0 1 1 9 0 8 1 0 7 0 0
( 7 5 0 ) ( 5 7 2 3 ) ( 4 9 2 9 ) ( 2 5 7 5 ) ( 1 2 6 4 ) ( 1 3 9 7 ) ( 1 3 9 7 ) ( 1 4 2 2 ) ( 5 4 0 0 ) ( 4 8 5 3 )
3 2 1 9 8 . 5 6 1 6 5 . 3 1 6 6 . 8 8 5 3 . 5 0 6 0 . 0 0 6 0 . 0 0 6 1 . 1 3 1 5 4 6 6 1 4 0 5 0
( 8 0 0 ) ( 5 0 4 3 ) ( 4 1 9 9 ) ( 1 6 9 9 ) ( 1 3 5 9 ) ( 1 5 2 4 ) ( 1 5 2 4 ) ( 1 5 5 3 ) ( 7 0 1 4 ) ( 6 3 7 2 )
3 4 2 5 2 . 4 4 2 1 7 . 1 9 1 1 4 . 0 0 5 6 . 2 5 6 4 . 0 0 6 4 . 0 0 6 5 . 1 3 1 8 1 4 0 1 6 6 2 0
( 8 5 0 ) ( 6 4 1 2 ) ( 5 5 1 7 ) ( 2 8 9 6 ) ( 1 4 2 9 ) ( 1 6 2 6 ) ( 1 6 2 6 ) ( 1 6 5 4 ) ( 8 2 2 7 ) ( 7 5 3 7 )
3 6 2 7 0 . 2 5 2 3 3 . 0 0 1 2 2 . 0 6 5 9 . 0 0 6 8 . 0 0 6 8 . 0 0 6 9 . 1 3 1 8 8 2 2 1 7 1 4 0
( 9 0 0 ) ( 6 8 6 4 ) ( 5 9 1 8 ) ( 3 1 0 0 ) ( 1 4 9 9 ) ( 1 7 2 7 ) ( 1 7 2 7 ) ( 1 7 5 6 ) ( 8 5 3 6 ) ( 7 7 7 3 )
3 8 8 0 . 0 0 8 0 . 0 0
( 9 5 0 ) ( 2 0 3 2 ) ( 2 0 3 2 )
4 0 2 9 8 . 8 8 2 5 7 . 2 5 1 3 4 . 3 1 6 6 . 3 8 8 2 . 0 0 8 2 . 0 0 2 6 3 8 2 2 5 2 5 0
( 1 0 0 0 ) ( 7 5 9 1 ) ( 6 5 3 4 ) ( 3 4 1 2 ) ( 1 6 8 6 ) ( 2 0 8 3 ) ( 2 0 8 3 ) ( 1 1 9 6 5 ) ( 1 1 4 5 1 )
4 2 3 0 9 . 8 8 2 6 6 . 1 3 1 3 8 . 1 9 6 9 . 2 5 8 4 . 0 0 8 4 . 0 0 2 8 4 9 6 2 7 2 3 0
( 1 0 5 0 ) ( 7 8 7 1 ) ( 6 7 6 0 ) ( 3 5 1 0 ) ( 1 7 5 9 ) ( 2 1 3 4 ) ( 2 1 3 4 ) ( 1 2 9 2 3 ) ( 1 2 3 4 9 )
4 4 8 6 . 0 0 8 6 . 0 0
( 1 1 0 0 ) ( 2 1 8 4 ) ( 2 1 8 4 )
4 6 2 7 2 . 8 8 2 2 5 . 2 5 8 7 . 1 9 7 5 . 3 8 8 8 . 0 0 8 8 . 0 0 3 5 1 4 8 3 3 4 5 0
( 1 1 5 0 ) ( 6 9 3 1 ) ( 5 7 2 1 ) ( 2 2 1 5 ) ( 1 9 1 5 ) ( 2 2 3 5 ) ( 2 2 3 5 ) ( 1 5 9 4 0 ) ( 1 5 1 7 0 )
4 8 2 8 5 . 1 9 2 3 5 . 5 6 9 2 . 3 8 7 8 . 5 0 9 0 . 0 0 9 0 . 0 0 4 0 7 7 4 3 9 0 3 0
( 1 2 0 0 ) ( 7 2 4 4 ) ( 5 9 8 3 ) ( 2 3 4 6 ) ( 1 9 9 4 ) ( 2 2 8 6 ) ( 2 2 8 6 ) ( 1 8 4 9 2 ) ( 1 7 7 0 1 )
5 0 9 2 . 0 0 9 2 . 0 0
( 1 2 5 0 ) ( 2 3 3 7 ) ( 2 3 3 7 )
5 2 9 4 . 0 0 9 4 . 0 0
( 1 3 0 0 ) ( 2 3 8 8 ) ( 2 3 8 8 )
5 4 9 6 . 0 0 9 6 . 0 0
( 1 3 5 0 ) ( 2 4 3 8 ) ( 2 4 3 8 )
5 6 9 8 . 0 0 9 8 . 0 0
( 1 4 0 0 ) ( 2 4 8 9 ) ( 2 4 8 9 )
5 8 1 0 0 . 0 0 1 0 0 . 0 0
( 1 4 5 0 ) ( 2 5 4 0 ) ( 2 5 4 0 )
6 0 1 0 2 . 0 0 1 0 2 . 0 0
( 1 5 0 0 ) ( 2 5 9 1 ) ( 2 5 9 1 )
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7
 I II III
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M-303A API CLASS 400
A O P E N A C L O S E F E W E R T J F E W E
6 6 9 . 5 6 6 2 . 5 6 3 1 . 3 1 1 3 . 1 3 1 9 . 5 0 1 9 . 5 0 1 9 . 6 3 5 5 2 4 5 0
( 1 5 0 ) ( 1 7 6 7 ) ( 1 5 8 9 ) ( 7 9 5 ) ( 3 3 3 ) ( 4 9 5 ) ( 4 9 5 ) ( 4 9 8 ) ( 2 5 0 ) ( 2 0 4 )
8 8 1 . 4 4 7 2 . 3 8 3 6 . 1 3 1 6 . 0 0 2 3 . 5 0 2 3 . 5 0 2 3 . 6 3 8 8 8 7 2 5
( 2 0 0 ) ( 2 0 6 8 ) ( 1 8 3 8 ) ( 9 1 8 ) ( 4 0 6 ) ( 5 9 7 ) ( 5 9 7 ) ( 6 0 0 ) ( 4 0 3 ) ( 3 2 9 )
1 0 9 7 . 3 8 8 6 . 0 0 4 2 . 6 3 1 9 . 7 5 2 6 . 5 0 2 6 . 5 0 2 6 . 6 3 1 5 9 0 1 4 1 0
( 2 5 0 ) ( 2 4 7 3 ) ( 2 1 8 4 ) ( 1 0 8 3 ) ( 5 0 2 ) ( 6 7 3 ) ( 6 7 3 ) ( 6 7 6 ) ( 7 2 1 ) ( 6 3 9 )
1 2 1 0 9 . 8 8 9 6 . 3 8 4 7 . 9 4 2 2 . 9 4 3 0 . 0 0 3 0 . 0 0 3 0 . 1 3 2 1 1 0 1 8 5 0
( 3 0 0 ) ( 2 7 9 1 ) ( 2 4 4 8 ) ( 1 2 1 8 ) ( 5 8 3 ) ( 7 6 2 ) ( 7 6 2 ) ( 7 6 5 ) ( 9 5 7 ) ( 8 3 9 )
1 4 1 1 8 . 7 5 1 0 4 . 1 3 5 2 . 7 5 2 4 . 6 3 3 2 . 5 0 3 2 . 5 0 3 2 . 6 3 2 3 9 2 1 8 8 0
( 3 5 0 ) ( 3 0 1 6 ) ( 2 6 4 5 ) ( 1 3 4 0 ) ( 6 2 5 ) ( 8 2 6 ) ( 8 2 6 ) ( 8 2 9 ) ( 1 0 8 5 ) ( 8 5 3 )
1 6 1 3 0 . 7 5 1 1 4 . 1 3 5 7 . 5 0 2 7 . 8 8 3 5 . 5 0 3 5 . 5 0 3 5 . 6 3 3 2 2 0 2 5 5 0
( 4 0 0 ) ( 3 3 2 1 ) ( 2 8 9 9 ) ( 1 4 6 1 ) ( 7 0 8 ) ( 9 0 2 ) ( 9 0 2 ) ( 9 0 5 ) ( 1 4 6 0 ) ( 1 1 5 6 )
1 8 1 4 5 . 6 3 1 2 6 . 8 1 6 5 . 0 6 3 1 . 1 9 3 8 . 5 0 3 8 . 5 0 3 8 . 6 3 4 4 3 4 3 7 8 0
( 4 5 0 ) ( 3 6 9 9 ) ( 3 2 2 1 ) ( 1 6 5 3 ) ( 7 9 2 ) ( 9 7 8 ) ( 9 7 8 ) ( 9 8 1 ) ( 2 0 1 1 ) ( 1 7 1 4 )
2 0 1 6 1 . 0 0 1 4 0 . 0 0 7 1 . 7 5 3 4 . 7 5 4 1 . 5 0 4 1 . 5 0 4 1 . 7 5 5 3 9 2 4 5 4 0
( 5 0 0 ) ( 4 0 8 9 ) ( 3 5 5 6 ) ( 1 8 2 2 ) ( 8 8 3 ) ( 1 0 5 4 ) ( 1 0 5 4 ) ( 1 0 6 0 ) ( 2 4 4 5 ) ( 2 0 5 9 )
2 2 4 5 . 0 0 4 5 . 0 0 4 5 . 3 8
( 5 5 0 ) ( 1 1 4 3 ) ( 1 1 4 3 ) ( 1 1 5 3 )
2 4 1 8 8 . 1 9 1 6 3 . 0 0 8 4 . 5 0 4 0 . 9 4 4 8 . 5 0 4 8 . 5 0 4 8 . 8 8 9 2 5 4 7 9 1 0
( 6 0 0 ) ( 4 7 8 0 ) ( 4 1 4 0 ) ( 2 1 4 6 ) ( 1 0 4 0 ) ( 1 2 3 2 ) ( 1 2 3 2 ) ( 1 2 4 1 ) ( 4 1 9 7 ) ( 3 5 8 7 )
2 6 1 9 9 . 4 4 1 7 2 . 3 8 8 9 . 7 5 4 3 . 8 1 5 1 . 5 0 5 1 . 5 0 5 2 . 0 0 1 0 6 3 6 9 3 4 0
( 6 5 0 ) ( 5 0 6 6 ) ( 4 3 7 8 ) ( 2 2 8 0 ) ( 1 1 1 3 ) ( 1 3 0 8 ) ( 1 3 0 8 ) ( 1 3 2 1 ) ( 4 8 2 4 ) ( 4 2 3 6 )
2 8 5 5 . 0 0 5 5 . 0 0 5 5 . 5 0
( 7 0 0 ) ( 1 3 9 7 ) ( 1 3 9 7 ) ( 1 4 1 0 )
3 0 2 2 9 . 4 4 1 9 8 . 1 9 1 0 2 . 0 0 5 0 . 2 5 6 0 . 0 0 6 0 . 0 0 6 0 . 5 0 1 4 5 6 8 1 2 9 2 0
( 7 5 0 ) ( 5 8 2 8 ) ( 5 0 3 4 ) ( 2 5 9 1 ) ( 1 2 7 6 ) ( 1 5 2 4 ) ( 1 5 2 4 ) ( 1 5 3 7 ) ( 6 6 0 7 ) ( 5 8 5 9 )
3 2 6 5 . 0 0 6 5 . 0 0 6 5 . 6 3
( 8 0 0 ) ( 1 6 5 1 ) ( 1 6 5 1 ) ( 1 6 6 7 )
3 4 7 0 . 0 0 7 0 . 0 0 7 0 . 6 3
( 8 5 0 ) ( 1 7 7 8 ) ( 1 7 7 8 ) ( 1 7 9 4 )
3 6 2 6 9 . 3 1 2 3 2 . 0 6 1 2 0 . 3 8 5 9 . 7 5 7 4 .0 0 7 4 . 0 0 7 4 . 6 3 2 3 5 3 4 2 1 1 8 0
( 9 0 0 ) ( 6 8 4 1 ) ( 5 8 9 4 ) ( 3 0 5 8 ) ( 1 5 1 8 ) ( 1 8 8 0 ) ( 1 8 8 0 ) ( 1 8 9 5 ) ( 1 0 6 7 3 ) ( 9 6 0 5 )
3 8 8 4 . 0 0 8 4 . 0 0
( 9 5 0 ) ( 2 1 3 4 ) ( 2 1 3 4 )
4 0 8 6 . 0 0 8 6 . 0 0
( 1 0 0 0 ) ( 2 1 8 4 ) ( 2 1 8 4 )
4 2 8 9 . 0 0 8 9 . 0 0
( 1 0 5 0 ) ( 2 2 6 1 ) ( 2 2 6 1 )
4 4 9 2 . 0 0 9 2 . 0 0
( 1 1 0 0 ) ( 2 3 3 7 ) ( 2 3 3 7 )
4 6 9 4 . 0 0 9 4 . 0 0
( 1 1 5 0 ) ( 2 3 8 8 ) ( 2 3 8 8 )
4 8 9 7 . 0 0 9 7 . 0 0
( 1 2 0 0 ) ( 2 4 6 4 ) ( 2 4 6 4 )
5 0
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5 2
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5 4
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5 6
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8
 I II III 
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M-303A API CLASS 600
A O P E N A C L O S E R F W E R T J F E W E
6 6 8 . 5 6 6 1 . 5 6 3 1 . 3 1 1 3 . 1 3 2 2 . 0 0 2 2 . 0 0 2 2 . 1 3 6 0 0 4 6 0
( 1 5 0 ) ( 1 7 4 2 ) ( 1 5 6 4 ) ( 7 9 5 ) ( 3 3 3 ) ( 5 5 9 ) ( 5 5 9 ) ( 5 6 2 ) ( 2 7 2 ) ( 2 0 9 )
8 8 1 . 4 4 7 2 . 3 8 3 6 . 1 3 1 6 . 0 0 2 6 . 0 0 2 6 . 0 0 2 6 . 1 3 9 5 0 7 3 0
( 2 0 0 ) ( 2 0 6 8 ) ( 1 8 3 8 ) ( 9 1 8 ) ( 4 0 6 ) ( 6 6 0 ) ( 6 6 0 ) ( 6 6 4 ) ( 4 3 1 ) ( 3 3 1 )
1 0 9 7 . 3 8 8 6 . 0 0 4 2 . 6 3 1 9 . 7 5 3 1 . 0 0 3 1 . 0 0 3 1 . 1 3 1 7 5 0 1 4 1 0
( 2 5 0 ) ( 2 4 7 3 ) ( 2 1 8 4 ) ( 1 0 8 3 ) ( 5 0 2 ) ( 7 8 7 ) ( 7 8 7 ) ( 7 9 1 ) ( 7 9 4 ) ( 6 3 9 )
1 2 1 1 0 . 3 8 9 6 . 8 8 4 7 . 9 4 2 3 . 4 4 3 3 . 0 0 3 3 . 0 0 3 3 . 1 3 2 5 2 0 2 1 0 0
( 3 0 0 ) ( 2 8 0 4 ) ( 2 4 6 1 ) ( 1 2 1 8 ) ( 5 9 5 ) ( 8 3 8 ) ( 8 3 8 ) ( 8 4 1 ) ( 1 1 4 3 ) ( 9 5 2 )
1 4 1 1 9 . 2 5 1 0 4 . 6 3 5 2 . 7 5 2 5 . 1 3 3 5 . 0 0 3 5 . 0 0 3 5 . 1 3 3 2 7 4 2 6 1 0
( 3 5 0 ) ( 3 0 2 9 ) ( 2 6 5 7 ) ( 1 3 4 0 ) ( 6 3 8 ) ( 8 8 9 ) ( 8 8 9 ) ( 8 9 2 ) ( 1 4 8 5 ) ( 1 1 8 4 )
1 6 1 3 1 . 5 0 1 1 4 . 8 8 5 8 . 2 5 2 8 . 1 3 3 9 . 0 0 3 9 . 0 0 3 9 . 1 3 4 0 4 2 3 1 6 0
( 4 0 0 ) ( 3 3 4 0 ) ( 2 9 1 8 ) ( 1 4 8 0 ) ( 7 1 4 ) ( 9 9 1 ) ( 9 9 1 ) ( 9 9 4 ) ( 1 8 3 3 ) ( 1 4 3 3 )
1 8 1 4 7 . 5 6 1 2 8 . 7 5 6 6 . 5 0 3 1 . 6 9 4 3 . 0 0 4 3 . 0 0 4 3 . 1 3 5 4 6 2 4 4 0 0
( 4 5 0 ) ( 3 7 4 8 ) ( 3 2 7 0 ) ( 1 6 8 9 ) ( 8 0 5 ) ( 1 0 9 2 ) ( 1 0 9 2 ) 1 0 9 5 ( 2 4 7 7 ) ( 1 9 9 5 )
2 0 1 6 1 . 0 0 1 4 0 . 0 0 7 1 . 7 5 3 4 . 7 5 4 7 . 0 0 4 7 . 0 0 4 7 . 2 5 7 4 2 6 6 2 0 0
( 5 0 0 ) ( 4 0 8 9 ) ( 3 5 5 6 ) ( 1 8 2 2 ) ( 8 8 3 ) ( 1 1 9 4 ) ( 1 1 9 4 ) ( 1 2 0 0 ) ( 3 3 6 8 ) ( 2 8 1 2 )
2 2 1 7 5 . 1 9 1 5 2 . 1 9 7 8 . 8 1 3 7 . 8 8 5 1 . 0 0 5 1 . 0 0 5 1 . 3 8 8 9 5 8 7 4 0 0
( 5 5 0 ) ( 4 4 5 0 ) ( 3 8 6 6 ) ( 2 0 0 2 ) ( 9 6 2 ) ( 1 2 9 5 ) ( 1 2 9 5 ) ( 1 3 0 5 ) ( 4 0 6 3 ) ( 3 3 5 6 )
2 4 1 9 0 . 5 0 1 6 5 . 3 1 8 3 . 9 4 4 1 . 4 4 5 5 . 0 0 5 5 . 0 0 5 5 . 3 8 1 1 3 7 4 9 6 1 0
( 6 0 0 ) ( 4 8 3 9 ) ( 4 1 9 9 ) ( 2 1 3 2 ) ( 1 0 5 2 ) ( 1 3 9 7 ) ( 1 3 9 7 ) ( 1 4 0 7 ) ( 5 1 5 8 ) ( 4 3 5 8 )
2 6 2 0 4 . 4 4 1 7 7 . 3 8 9 1 . 3 8 4 4 . 3 1 5 7 . 0 0 5 7 . 0 0 5 7 . 5 0 1 2 9 9 6 1 1 1 4 0
( 6 5 0 ) ( 5 1 9 3 ) ( 4 5 0 5 ) ( 2 3 2 1 ) ( 1 1 2 6 ) ( 1 4 4 8 ) ( 1 4 4 8 ) ( 1 4 6 1 ) ( 5 8 9 4 ) ( 5 0 5 2 )
2 8 6 1 . 0 0 6 1 . 0 0 6 1 . 5 0
( 7 0 0 ) ( 1 5 4 9 ) ( 1 5 4 9 ) ( 1 5 6 2 )
3 0 2 3 2 . 4 4 2 0 1 . 1 9 1 0 4 . 5 0 5 0 . 7 5 6 5 . 0 0 6 5 . 0 0 6 5 . 5 0 1 7 9 5 0 1 5 7 5 0
( 7 5 0 ) ( 5 9 0 4 ) ( 5 1 1 0 ) ( 2 6 5 4 ) ( 1 2 8 9 ) ( 1 6 5 1 ) ( 1 6 5 1 ) ( 1 6 6 4 ) ( 8 1 4 1 ) ( 7 1 4 3 )
3 2 7 0 . 0 0 7 0 . 0 0 7 0 . 6 3
( 8 0 0 ) ( 1 7 7 8 ) ( 1 7 7 8 ) ( 1 7 9 4 )
3 4 2 5 8 . 0 0 2 2 2 . 7 5 1 1 5 . 8 1 5 7 . 0 0 7 6 . 0 0 7 6 . 0 0 7 6 . 6 3 2 5 5 6 0 2 3 0 0 0
( 8 5 0 ) ( 6 5 5 3 ) ( 5 6 5 8 ) ( 2 9 4 2 ) ( 1 4 4 8 ) ( 1 9 3 0 ) ( 1 9 3 0 ) ( 1 9 4 6 ) ( 1 1 5 9 2 ) ( 1 0 4 3 1 )
3 6 2 7 0 . 3 1 2 3 3 . 0 6 1 2 0 . 8 8 6 0 . 2 5 8 2 . 0 0 8 2 . 0 0 8 5 . 6 3 3 0 1 9 4 2 7 2 0 0
( 9 0 0 ) ( 6 8 6 6 ) ( 5 9 2 0 ) ( 3 0 7 0 ) ( 1 5 3 0 ) ( 2 0 8 3 ) ( 2 0 8 3 ) ( 2 1 7 5 ) ( 1 3 6 9 3 ) ( 1 2 3 3 6 )
3 8 9 0 . 0 0 9 0 . 0 0
( 9 5 0 ) ( 2 2 8 6 ) ( 2 2 8 6 )
4 0 3 0 1 . 6 9 2 6 0 . 0 6 1 3 4 . 8 8 6 7 . 3 8 9 4 . 0 0 9 4 . 0 0 3 6 9 2 0 3 3 7 2 0
( 1 0 0 0 ) ( 7 6 6 3 ) ( 6 6 0 6 ) ( 3 4 2 6 ) ( 1 7 1 1 ) ( 2 3 8 8 ) ( 2 3 8 8 ) ( 1 6 7 4 4 ) ( 1 5 2 9 3 )
4 2 3 1 1 . 5 0 2 6 7 . 7 5 1 3 8 . 8 1 7 0 . 2 5 9 8 . 0 0 9 8 . 0 0 4 0 3 8 4 3 6 9 4 0
( 1 0 5 0 ) ( 7 9 1 2 ) ( 6 8 0 1 ) ( 3 5 2 6 ) ( 1 7 8 4 ) ( 2 4 8 9 ) ( 2 4 8 9 ) ( 1 8 3 1 5 ) ( 1 6 7 5 3 )
4 4 1 0 1 . 0 0 1 0 1 . 0 0
( 1 1 0 0 ) ( 2 5 6 5 ) ( 2 5 6 5 )
4 6 1 0 5 . 0 0 1 0 5 . 0 0
( 1 1 5 0 ) ( 2 6 6 7 ) ( 2 6 6 7 )
4 8 2 8 3 . 5 6 2 3 3 . 9 4 8 9 . 7 5 7 9 . 5 0 1 0 9 . 0 0 1 0 9 . 0 0 5 4 6 6 0
( 1 2 0 0 ) ( 7 2 0 2 ) ( 5 9 4 2 ) ( 2 2 8 0 ) ( 2 0 1 9 ) ( 2 7 6 9 ) ( 2 7 6 9 ) ( 2 4 7 8 9 )
5 0 1 1 3 . 0 0 1 1 3 . 0 0
( 1 2 5 0 ) ( 2 8 7 0 ) ( 2 8 7 0 )
5 2 1 1 7 . 0 0 1 1 7 . 0 0
( 1 3 0 0 ) ( 2 9 7 2 ) ( 2 9 7 2 )
5 4 1 2 0 . 0 0 1 2 0 . 0 0
( 1 3 5 0 ) ( 3 0 4 8 ) ( 3 0 4 8 )
5 6 1 2 4 . 0 0 1 2 4 . 0 0
( 1 4 0 0 ) ( 3 1 5 0 ) ( 3 1 5 0 )
5 8 1 2 8 . 0 0 1 2 8 . 0 0
( 1 4 5 0 ) ( 3 2 5 1 ) ( 3 2 5 1 )
6 0 1 3 2 . 0 0 1 3 2 . 0 0
( 1 5 0 0 ) ( 3 3 5 3 ) ( 3 3 5 3 )
*
*
*
*
*
*
*
* *
* *
*
* *
* *
*
* ** * * *
* ** * * *
* ** * * *
* * * * * * *
* ** * * *
*
*
* * * *
* * * *
* ** * * *
* ** * * *
* * * *
* * * *
W E I G H T I b / ( k g )
I I I
I
I I
V A L V E 
D E S I G N
V A L V E 
S I Z E
A FB C
9
 I II III
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M303A API CLASS 900
A O P E N A C L O S E F E W E R T J F E W E
6 6 9 . 0 6 6 2 . 0 6 3 0 . 8 1 1 3 . 1 3 2 4 . 0 0 2 4 . 0 0 2 4 . 1 3 6 5 8 4 7 0
( 1 5 0 ) ( 1 7 5 4 ) ( 1 5 7 6 ) ( 7 8 3 ) ( 3 3 3 ) ( 6 1 0 ) ( 6 1 0 ) ( 6 1 3 ) ( 2 9 8 ) ( 2 1 3 )
8 8 1 . 9 4 7 2 . 8 8 3 6 . 1 3 1 6 . 5 0 2 9 . 0 0 2 9 . 0 0 2 9 . 1 3 1 1 7 2 8 2 0
( 2 0 0 ) ( 2 0 8 1 ) ( 1 8 5 1 ) ( 9 1 8 ) ( 4 1 9 ) ( 7 3 7 ) ( 7 3 7 ) ( 7 4 0 ) ( 5 3 2 ) ( 3 7 2 )
1 0 9 7 . 8 8 8 6 . 5 0 4 2 . 6 3 2 0 . 2 5 3 3 . 0 0 3 3 . 0 0 3 3 . 1 3 2 0 5 0 1 5 6 0
( 2 5 0 ) ( 2 4 8 6 ) ( 2 1 9 7 ) ( 1 0 8 3 ) ( 5 1 4 ) ( 8 3 8 ) ( 8 3 8 ) ( 8 4 1 ) ( 9 3 0 ) ( 7 0 7 )
1 2 1 1 0 . 6 3 9 7 . 1 3 4 7 . 9 4 2 3 . 6 9 3 8 . 0 0 3 8 . 0 0 3 8 . 1 3 3 1 1 0 2 4 6 0
( 3 0 0 ) ( 2 8 1 0 ) ( 2 4 6 7 ) ( 1 2 1 8 ) ( 6 0 2 ) ( 9 6 5 ) ( 9 6 5 ) ( 9 6 8 ) ( 1 4 1 0 ) ( 1 1 1 6 )
1 4 1 1 9 . 6 9 1 0 5 . 0 6 5 4 . 0 0 2 5 . 3 8 4 0 . 5 0 4 0 . 5 0 4 0 . 8 8 3 6 8 2 2 7 8 0
( 3 5 0 ) ( 3 0 4 0 ) ( 2 6 6 9 ) ( 1 3 7 2 ) ( 6 4 5 ) ( 1 0 2 9 ) ( 1 0 2 9 ) ( 1 0 3 8 ) ( 1 6 7 0 ) ( 1 2 6 1 )
1 6 1 3 5 . 1 9 1 1 8 . 5 6 6 1 . 0 6 2 9 . 0 0 4 4 . 5 0 4 4 . 5 0 4 4 . 8 8 5 1 5 2 4 0 6 0
( 4 0 0 ) ( 3 4 3 4 ) ( 3 0 1 2 ) ( 1 5 5 1 ) ( 7 3 7 ) ( 1 1 3 0 ) ( 1 1 3 0 ) ( 1 1 4 0 ) ( 2 3 3 7 ) ( 1 8 4 1 )
1 8 4 8 . 0 0 4 8 . 0 0 4 8 . 5 0
( 4 5 0 ) ( 1 2 1 9 ) ( 1 2 1 9 ) ( 1 2 3 2 )
2 0 1 6 7 . 1 9 1 4 6 . 1 9 7 4 . 2 5 3 6 . 2 5 5 2 . 0 0 5 2 . 0 0 5 2 . 5 0 9 6 1 8 7 8 6 0
( 5 0 0 ) ( 4 2 4 7 ) ( 3 7 1 3 ) ( 1 8 8 6 ) ( 9 2 1 ) ( 1 3 2 1 ) ( 1 3 2 1 ) ( 1 3 3 4 ) ( 4 3 6 2 ) ( 3 5 6 5 )
2 2 5 6 . 5 0 5 6 . 5 0 5 7 . 0 0
( 5 5 0 ) ( 1 4 3 5 ) ( 1 4 3 5 ) ( 1 4 4 8 )
2 4 1 9 4 . 7 5 1 6 9 . 5 6 8 7 . 0 6 4 2 . 5 6 6 1 . 0 0 6 1 . 0 0 6 1 . 7 5 1 5 6 8 0 1 2 5 8 0
( 6 0 0 ) ( 4 9 4 7 ) ( 4 3 0 7 ) ( 2 2 1 1 ) ( 1 0 8 1 ) ( 1 5 4 9 ) ( 1 5 4 9 ) ( 1 5 6 8 ) ( 7 1 1 1 ) ( 5 7 0 5 )
2 6 8 0 . 0 0 8 0 . 0 0
( 6 5 0 ) ( 2 0 3 2 ) ( 2 0 3 2 )
2 8 8 3 . 00 8 3 . 0 0
( 7 0 0 ) ( 2 1 0 8 ) ( 2 1 0 8 )
3 0 2 3 5 . 0 0 2 0 3 . 7 5 1 0 6 . 0 6 5 1 . 7 5 8 5 . 0 0 8 5 . 0 0 2 5 9 8 0 2 2 0 0 0
( 7 5 0 ) ( 5 9 6 9 ) ( 5 1 7 5 ) ( 2 6 9 4 ) ( 1 3 1 4 ) ( 2 1 5 9 ) ( 2 1 5 9 ) ( 1 1 7 8 2 ) ( 9 9 7 7 )
3 2 8 8 . 0 0 8 8 . 0 0
( 8 0 0 ) ( 2 2 3 5 ) ( 2 2 3 5 )
3 4 9 0 . 0 0 9 0 . 0 0
( 8 5 0 ) ( 2 2 8 6 ) ( 2 2 8 6 )
3 6 9 2 . 0 0 9 2 . 0 0
( 9 0 0 ) ( 2 3 3 7 ) ( 2 3 3 7 )
3 8
( 9 5 0 )
4 0
( 1 0 0 0 )
4 2
( 1 0 5 0 )
4 4
( 1 1 0 0 )
4 6
( 1 1 5 0 )
4 8
( 1 2 0 0 )
5 0
( 1 2 5 0 )
5 2
( 1 3 0 0 )
5 4
( 1 3 5 0 )
5 6
( 1 4 0 0 )
5 8
( 1 4 5 0 )
6 0
( 1 5 0 0 )
* * *
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I I I
V A L V E 
D E S I G N
V A L V E 
S I Z E
I I
B CA F
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W E I G H T l b / ( k g )
* *
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*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
10
 I II III 
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M303A API CLASS 1500
A O P E N A C L O S E F E W E R T J F E W E
6 6 0 . 6 3 5 3 . 6 3 2 9 . 1 3 1 2 . 8 8 2 7 . 7 5 2 7 . 7 5 2 8 . 0 0 1 0 2 2 6 0 0
( 1 5 0 ) ( 1 5 4 0 ) ( 1 3 6 2 ) ( 7 4 0 ) ( 3 2 7 ) ( 7 0 5 ) ( 7 0 5 ) ( 7 1 1 ) ( 4 6 3 ) ( 2 7 2 )
8 8 5 . 4 4 7 5 . 4 4 4 1 . 0 6 1 8 . 2 5 3 2 . 7 5 3 2 . 7 5 3 3 . 1 3 2 5 9 4 1 9 4 0
( 2 0 0 ) ( 2 1 7 0 ) ( 1 9 1 6 ) ( 1 0 4 3 ) ( 4 6 4 ) ( 8 3 2 ) ( 8 3 2 ) ( 8 4 2 ) ( 1 1 7 6 ) ( 8 8 0 )
1 0 9 9 . 3 8 8 7 . 1 3 4 6 . 1 6 2 1 . 7 5 3 9 . 0 0 3 9 . 0 0 3 9 . 3 8 4 1 3 6 3 1 0 0
( 2 5 0 ) ( 2 5 2 4 ) ( 2 2 1 3 ) ( 1 1 7 2 ) ( 5 5 2 ) ( 9 9 1 ) ( 9 9 1 ) ( 1 0 0 0 ) ( 1 8 7 6 ) ( 1 4 0 6 )
1 2 1 1 1 . 1 3 9 7 . 1 3 5 3 . 4 1 2 4 . 5 6 4 4 . 5 0 4 4 . 5 0 4 5 . 1 3 5 9 7 0 4 6 6 0
( 3 0 0 ) ( 2 8 2 3 ) ( 2 4 6 7 ) ( 1 3 5 7 ) ( 6 2 4 ) ( 1 1 3 0 ) ( 1 1 3 0 ) ( 1 1 4 6 ) ( 2 7 0 7 ) ( 2 1 1 3 )
1 4 1 1 6 . 3 1 1 0 1 . 6 9 5 5 . 5 6 2 6 . 0 0 4 9 . 5 0 4 9 . 5 0 5 0 . 2 5 6 6 5 8 4 6 8 0
( 3 5 0 ) ( 2 9 5 4 ) ( 2 5 8 3 ) ( 1 4 1 1 ) ( 6 6 0 ) ( 1 2 5 7 ) ( 1 2 5 7 ) ( 1 2 7 6 ) ( 3 0 2 0 ) ( 2 1 2 2 )
1 6 1 3 0 . 0 0 1 1 3 . 3 8 6 1 . 6 3 2 9 . 4 4 5 4 . 5 0 5 4 . 5 0 5 5 . 3 8 9 3 8 8 6 6 9 0
( 4 0 0 ) ( 3 3 0 2 ) ( 2 8 8 0 ) ( 1 5 6 5 ) ( 7 4 8 ) ( 1 3 8 4 ) ( 1 3 8 4 ) ( 1 4 0 7 ) ( 4 2 5 8 ) ( 3 0 3 4 )
1 8 9 6 9 0
( 4 5 0 ) ( 4 3 9 5 )
2 0 1 5 7 . 0 0 1 3 6 . 0 0 7 3 . 6 6 3 5 . 7 5 6 5 . 5 0 6 5 . 5 0 6 6 . 3 8 1 5 7 8 2 1 1 5 8 0
( 5 0 0 ) ( 3 9 8 8 ) ( 3 4 5 4 ) ( 1 8 7 1 ) ( 9 0 8 ) ( 1 6 6 4 ) ( 1 6 6 4 ) ( 1 6 8 6 ) ( 7 1 5 7 ) ( 5 2 5 2 )
2 2
( 5 5 0 )
2 4 1 8 4 . 0 0 1 5 9 . 6 8 8 6 . 1 9 4 2 . 6 9 7 6 . 5 0 7 6 . 5 0 7 7 . 6 3 2 4 7 5 4 1 8 0 0 0
( 6 0 0 ) ( 4 6 7 4 ) ( 4 0 5 6 ) ( 2 1 8 9 ) ( 1 0 8 4 ) ( 1 9 4 3 ) ( 1 9 4 3 ) ( 1 9 7 2 ) ( 1 1 2 2 6 ) ( 8 1 6 3 )
2 6 1 9 9 . 8 8 1 7 2 . 8 1 4 6 . 0 6 2 1 0 0 0
( 6 5 0 ) ( 5 0 7 7 ) ( 4 3 8 9 ) ( 1 1 7 0 ) ( 9 5 2 4 )
2 8
( 7 0 0 )
3 0
( 7 5 0 )
3 2
( 8 0 0 )
3 4
( 8 5 0 )
3 6
( 9 0 0 )
3 8
( 9 5 0 )
4 0
( 1 0 0 0 )
4 2
( 1 0 5 0 )
4 4
( 1 1 0 0 )
4 6
( 1 1 5 0 )
4 8
( 1 2 0 0 )
5 0
( 1 2 5 0 )
5 2
( 1 3 0 0 )
5 4
( 1 3 5 0 )
5 6
( 1 4 0 0 )
5 8
( 1 4 5 0 )
6 0
( 1 5 0 0 )
I I I
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11
 I II III
Dimensions In : in/(mm)
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
*CONTACT DANIEL VALVE FOR INFORMATION ON THESE ITEMS
M303 A API CLASS 2500
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,
MATERIAL, OR SPECIFICATIONS WITHOUT NOTICE
A O P E N A C L O S E F E W E R T J F E W E
6 6 1 . 5 0 5 4 . 5 0 2 9 . 1 3 1 2 . 8 8 3 6 . 0 0 3 6 . 0 0 3 6 . 5 0 2 0 2 0 1 2 7 0
( 1 5 0 ) ( 1 5 6 2 ) ( 1 3 8 4 ) ( 7 4 0 ) ( 3 2 7 ) ( 9 1 4 ) ( 9 1 4 ) ( 9 2 7 ) ( 9 1 6 ) ( 5 7 6 )
8 8 0 . 1 9 7 1 . 0 0 4 1 . 0 6 1 8 . 2 5 4 0 . 2 5 4 0 . 2 5 4 0 . 8 8 4 7 5 0 3 6 1 0
( 2 0 0 ) ( 2 0 3 7 ) ( 1 8 0 3 ) ( 1 0 4 3 ) ( 4 6 4 ) ( 1 0 2 2 ) ( 1 0 2 2 ) ( 1 0 3 8 ) ( 2 1 5 4 ) ( 1 6 3 7 )
1 0 9 5 . 5 6 8 4 . 1 9 4 9 . 3 1 2 1 . 7 5 5 0 . 0 0 5 0 . 0 0 5 0 . 8 8 5 7 3 9 4 6 1 8
( 2 5 0 ) ( 2 4 2 7 ) ( 2 1 3 8 ) ( 1 2 5 3 ) ( 5 5 2 ) ( 1 2 7 0 ) ( 1 2 7 0 ) ( 1 2 9 2 ) ( 2 6 0 3 ) ( 2 0 9 4 )
1 2 1 1 1 . 2 5 9 7 . 7 5 5 3 . 3 8 2 4 . 3 1 5 6 . 0 0 5 6 . 0 0 5 6 . 8 8 1 0 0 1 6 6 8 0 0
( 3 0 0 ) ( 2 8 2 6 ) ( 2 4 8 3 ) ( 1 3 5 6 ) ( 6 1 8 ) ( 1 4 2 2 ) ( 1 4 2 2 ) ( 1 4 4 5 ) ( 4 5 4 2 ) ( 3 0 8 4 )
1 4
( 3 5 0 )
1 6 1 4 2 . 2 5 1 2 5 . 3 8 6 1 . 6 3 2 9 . 4 4 7 2 . 0 0 7 2 . 0 0 7 2 . 8 8 1 8 5 0 0 1 3 1 3 0
( 4 0 0 ) ( 3 6 1 3 ) ( 3 1 8 5 ) ( 1 5 6 5 ) ( 7 4 8 ) ( 1 8 2 9 ) ( 1 8 2 9 ) ( 1 8 5 1 ) ( 8 3 9 0 ) ( 5 9 5 5 )
1 8
( 4 5 0 )
2 0
( 5 0 0 )
2 2
( 5 5 0 )
2 4
( 6 0 0 )
2 6
( 6 5 0 )
2 8
( 7 0 0 )
3 0
( 7 5 0 )
3 2
( 8 0 0 )
3 4
( 8 5 0 )
3 6
( 9 0 0 )
3 8
( 9 5 0 )
4 0
( 1 0 0 0 )
4 2
( 1 0 5 0 )
4 4
( 1 1 0 0 )
4 6
( 1 1 5 0 )
4 8
( 1 2 0 0 )
5 0
( 1 2 5 0 )
5 2
( 1 3 0 0 )
5 4
( 1 3 5 0 )
5 6
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5 8
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6 0
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12
HANDWHEEL OPERATOR (HWO)
Dimensions In : in/(mm)
R: Ratio
NT: No of turns
D1 H1 NT D1 H1 N T D 1 H1 NT D1 H1 NT
6 20.00 4.438 20.00 4.438 20.00 4.438 32.00 4.438
(150) (508) (113) (508) (113) (508) (113) (813) (113)
8 26.00 4.438 26.00 4.438 32.00 4.438
(200) (660) (113) (660) (113) (813) (113)
10 32.00 4.438 32.00 4.438
(250) (813) (113) (813) (113)
2121
2127
400 600
VALVE 
SIZE
VALVE SER IES
150 300
21
27
34
21
34
BEVEL GEAR OPERATOR (BGO)
D1
H1
D2 H2 R/NT D2 H2 R/NT D2 H2 R/NT D2 H2 R/NT D2 H2 R/NT
6 12.00 4.44 12.00 4.44 12.00 4.44 12.00 4.44 18.00 4.44
(150) (305) (113) (305) (113) (305) (113) (305) (113) (457) (113)
8 12.00 4.44 12.00 4.44 12.00 4.44 18.00 4.44 24.00 4.44
(200) (305) (113) (305) (113) (305) (113) (457) (113) (610) (113)
10 12.00 4.44 12.00 4.44 18.00 4.44 24.00 4.44 30.00 4.44
(250) (305) (113) (305) (113) (457) (113) (610) (113) (762) (113)
12 12.00 4.44 18.00 4.44 30.00 4.44 30.00 4.44 24.00 6.44
(300) (305) (113) (457) (113) (762) (113) (762) (113) (610) (164)
14 12.00 4.44 24.00 4.44 30.00 4.44 24.00 6.44 36.00 6.44
(350) (305) (113) (610) (113) (762) (113) (610) (164) (914) (164)
16) 12.00 4.44 30.00 4.44 30.00 6.44 30.00 6.440
(400) (305) (113) (762) (113) (762) (164) (762) (164)
18 18.00 4.44 36.00 6.44 24.00 6.44
(450) (457) (113) (914) (164) (610) (164)
20 18.00 4.44 24.00 6.44 36.00 6.44
(500) (457) (113) (610) (164) (914) (164)
22 24.00 6.44 30.00 6.44
(550) (610)(164) (762) (164)
24 30.00 6.44 36.00 6.44
(600) (762) (164) (914) (164)
VALVE SIZE 300
VALVE SERIES
150 400 600 900
4:1/21 4:1/21 4:1/21 4:1/21
4:1/56
9:1/53
4:1/21
4:1/27
4:1/34
4:1/41
9:1/42
4:1/27
4:1/34
9:1/41
9:1/46
4:1/27
4:1/34
4:1/41
4:1/44
4:1/50
9:1/47
9:1/42
4:1/44
4:1/50
9:1/50
4:1/27
4:1/34
4:1/41
4:1/44
4:1/50
4:1/56
4:1/63
4:1/58
4:1/63
9:1/37
4:1/27
4:1/34
4:1/41
9:1/44
D2
H2
13
STANDARD M303A
NOMINAL BORE SIZE
AS SPECIFIED IN API 6D TABLE 4.0
TOLERANCE:-1/16 IN. (-1.6 MM)
2 2 ( 5 0 . 8 ) 2 ( 5 0 . 8 ) 2 ( 5 0 . 8 ) 1 - 3 / 4 ( 4 4 . 5 )
2 - 1 / 2 2 - 1 / 2 ( 6 3 . 5 ) 2 - 1 / 2 ( 6 3 . 5 ) 2 - 1 / 2 ( 6 3 . 5 ) 2 - 1 / 8 ( 5 4 . 0 )
3 3 ( 7 6 . 2 ) 3 ( 7 6 . 2 ) 3 ( 7 6 . 2 ) 2 - 1 / 2 ( 6 3 . 5 )
4 4 ( 1 0 1 . 6 ) 4 ( 1 0 1 . 6 ) 4 ( 1 0 1 . 6 ) 3 . 5 ( 8 8 . 9 )
6 6 ( 1 5 2 . 4 ) 6 ( 1 5 2 . 4 ) 5 - 3 / 4 ( 1 4 6 . 1 ) 5 - 1 / 4 ( 1 3 3 . 4 )
8 8 ( 2 0 3 . 2 ) 8 ( 2 0 3 . 2 ) 7 - 5 / 8 ( 1 9 3 . 7 ) 7 - 1 / 8 ( 1 8 1 . 0 )
1 0 1 0 ( 2 5 4 . 0 ) 1 0 ( 2 5 4 . 0 ) 9 - 1 / 2 ( 2 4 1 . 3 ) 8 - 7 / 8 ( 2 2 5 . 4 )
1 2 1 2 ( 3 0 4 . 8 ) 1 2 ( 3 0 4 . 8 ) 1 1 - 3 / 8 ( 2 8 8 . 9 ) 1 0 - 1 / 2 ( 2 6 6 . 7 )
1 4 1 3 - 1 / 4 ( 3 3 6 . 6 ) 1 2 3 / 4 ( 3 2 3 . 9 ) 1 2 - 1 / 2 ( 3 1 7 . 5 )
1 6 1 5 - 1 / 4 ( 3 8 7 . 4 ) 1 4 - 3 / 4 ( 3 7 4 . 7 ) 1 4 - 1 / 4 ( 3 6 2 . 0 )
1 8 1 7 - 1 / 4 ( 4 3 8 . 2 ) 1 6 - 3 / 4 ( 4 3 5 . 5 )
2 0 1 9 - 1 / 4 ( 4 8 9 . 0 ) 1 8 - 5 / 8 ( 4 7 3 . 1 )
2 2 2 1 - 1 / 4 ( 5 2 3 . 9 ) 2 0 . 5 / 8 ( 5 2 3 . 9 )
2 4 2 3 - 1 / 4 ( 5 9 0 . 6 ) 2 2 - 1 / 2 ( 5 7 1 . 5 )
2 6 2 5 ( 6 3 5 . 0 ) 2 4 - 3 / 8 ( 6 1 9 . 1 )
2 8 2 7 ( 6 8 5 . 8 ) 2 6 - 1 / 4 ( 6 6 6 . 8 )
3 0 2 9 ( 7 3 6 . 6 ) 2 8 - 1 / 8 ( 7 1 4 . 4 )
3 2 3 0 - 3 / 4 ( 7 8 1 . 1 ) 3 0 ( 7 6 2 . 0 )
3 4 3 2 - 3 / 4 ( 8 3 1 . 9 ) 3 1 - 7 / 8 ( 8 0 9 . 6 )
3 6 3 4 - 1 / 2 ( 8 7 6 . 3 ) 3 3 - 3 / 4 ( 8 5 7 . 3 )
3 8 3 6 - 1 / 2 ( 9 2 7 . 1 )
4 0 3 8 - 1 / 2 ( 9 7 7 . 9 )
4 2 4 0 - 1 / 4 ( 1 0 2 2 . 4 )
4 8 4 6 ( 1 1 6 8 . 4 )
5 4 5 1 - 3 / 4 ( 1 3 1 4 . 5 )
6 0 5 7 - 1 / 2 ( 1 4 6 0 . 5 )
C L A S S 2 5 0 0
N O M I N A L 
V A L V E 
S I Z E
N O M I N A L B O R E I N ( M M )
C L A S S 1 5 0 
T H R O U G H 6 0 0 C L A S S 9 0 0 C L A S S 1 5 0 0
Dimensions In : in/ (mm)
14 M-303A
Optional Operator Mounting
 Bevel Gear Operator Top Mounted Top Mounted Top Mounted Reverse Acting
Side Mounted Electric Operator Gas/Oil Hydraulic Hydraulic ( Safety/Fail Close)
Electric Operator Operator Operator Operator
15
Notes
THE COMPANY WARRANTS ALL EQUIPMENT MANUFACTURED BY IT TO BE FREE FROM DEFECTS IN WORKMANSHIP AND MATERIAL PROVIDED
THAT SUCH EQUIPMENT WAS PROPERLY SELECTED FOR THE SERVICE INTENDED, PROPERLY INSTALLED, AND NOT MISUSED.EQUIPMENT WHICH
IS RETURNED, TRANSPORTATION PREPAID, TO THE COMPANY’S ORIGINATING FACTORY WITHIN 12 MONTHS ATER DELIVERY OF GOODS OR 18
MONTHS FROM DELIVERY OF EQUI [MENT FOR DESTINATION OUTSIDE THE UNITED STATES, AND IF FOUND BY THE COMPANY’S INSPECTION TO
BE DEFECTIVE IN WORKMANSHIP OR MATERIAL WILL BE REPAIRED OR REPLACE,AT THE COMPANY’S OPTION,FREE OF CHARGE AND RERURN-
SHIPPED LOWEST COST TRANSPORTATION PREPAID. WITH EXCEPTION OF THE WARRANTY SET FORTH ABOVE THE COMPANY MAKES NO EXPRESS
OR IMPLIED WARRANTIED, NO WARRANTY OF MERCHANTABILITY, NO WARRANTY OF FITNESS FOR PURPOSE, AND OTHER WARRANTIES WHICH
EXTENDED BEYOND THE DESCRIPTION ON THE FACE HEREOF
Daniel Valve Company
19191 Hempstead Highway,
Houston,Texas 77065
or
P. O. Box 40421
Houston,Texas 77240
(281) 469-0550 Outside Texas: 800-231-3690
FAX: (281) 894-1332
DANIEL VALVE RESERVES THE RIGHT TO CHANGE DESIGN,MATERIAL
OR SPECIFICATIONS WITHOUT NOTICE
	Table of Contents
	Design Types
	M303/M303A Topwork Comparison
	M303A Class 150
	M303A Class 300
	M303A Class 400 
	M303A Class 600
	M303A Class 900
	M303A Class 1500
	M303A Class 2500
	HandWheel Operator (HWO) 
	Bevel Gear Operator (BGO) 
	Standard M303A Nominal Bore
	Address/Contact Info