Forged Steel Check Valve

DESIGN DESCRIPTION:
* Swing TYPE;
* BOLTED COVER;
* OPTIONAL: WELD COVER;
* SPRING LOADED DISC OR PISTON DISC;
* CONNECTION: FLANGED ENDS
* WELDING FLANGED ENDS
* MATERIAL:
A105, F304, F316, F11, F22, F304L, F316L
WORKING PRESSURE AND TEMPERATURE
WORKING TEMPERATURE
MATERIAL CELSIUR SCALE FAHRENHEIT
CARBON STEEL -290C~4250C 60F~8220F
STAINLESS STEEL -400C~5500C 150F~10470F
GENERAL DESIGN SPECIFICATIONS:
ITEM PN16/25/40/64
MANUFACTURE API 602
PRESSURE-TEMPERATURE RATINGS ANSI B16.34
FACE TO FACE ANSI B 16.10
END FLANGE DIN 2545
INSPECTION AND TEST DIN 3320
TEST PRESSURE TO DIN3320:
TRIMS SPECITIED DUE TO TABLE 3:
PRESSURE GRADE FROM TO
PN40 1/2" 2"
DIN SHELL (WATER) SEAT (WATER) SEAT (AIR)
PN16 2.4MPa 1.76 MPa 0.8MPa
PN25 3.75MPa 2.75MPa 0.8MPa
PN40 6.00MPa 4.40MPa 0.8MPa
PN64 9.60MPa 7.04MPa 0.8MPa
DISC SEAT SURFACE PART NO.2 BODY SEAT SURFACE PART No.7 STEM PART No.3
F6 F6 F6
STELLITE STELILITE F6
F6 STELILITE F6
F304 F304 F304
F316 F316 F316
OTHER MATERIALS ARE AVAILABLE UPON REQUEST.