GENERAL DESIGN SPECIFICATIONS:
ITEM AMERICAN STANDARD
MANUFACTURE API 6D OR API 594
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
INSPECTION AND TEST API 598
TEST PRESSURE TO API 598 OR BS 6755 PATRT 1
PARTS AND MATERIAL (ASTM)
PRESSURE GRADE FROM TO
CLASS 150 2” 48”
CLASS 300 2” 48”
CLASS 600 2” 24”
CLASS 900 2” 24”
CLASS 1500 2” 16”
CLASS SHELL (WATER) SHELL (AIR) SEAT (WATER) SEAT (AIR) BACK SEAT(WATER)
150 3.1MPA 450PSI 2.2MPA 315PSI 2.2MPA 315PSI 0.6MPA 80PSI 3.1MPA 450PSI
300 7.8MPA 1125PSI 5.6MPA 815PSI 5.6MPA 815PSI 0.6MPA 80PSI 7.8MPA 1125PSI
600 15.3MPA 2225PSI 11.2MPA 1630PSI 11.2MPA 1630PSI 0.6MPA 80PSI 15.3MPA 2225PSI
NO PARTS NAME MATERIAL
1 BODY A216-WCB,A351 CF8, A216 WCB, A351 CF8M, A351 CF3M
2 DISC A216-WCB,A351 CF8, A216 WCB, A351 CF8M, A351 CF3M
3 SPRING HOLDER A182 F304L, A216 WCB
4 SPRING INCONEL-750, A351 CF8, A351 CFBM
5 STEM F6a, F304,F316,F304L, F316L
6 PLATE-LUG BEARING A182 F304L
7 BOLT CARBON STEEL
8 RETAINER A182 F304L
9 GASKET A182 F304L
OTHER MATERIALS ARE AVAILABLE UPON REQUEST