Forged Steel Check Valve

DESIGN DESCRIPTION: * LIFT TYPE; BOLTED COVER; * OPTIONAL: WELD COVER; * SPRING LOADED DISC OR PISTON DISC; * CONNECTRION: THREADED END, SOCKETED END * THREAD TYPE(NPT, BSPT, DIN 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 CLASS 600 CLASS 800 CLASS 1500 MANUFACTURE API 602 API 602 API 602 PRESSURE-TEMPERATURE RATINGS ANSI B16.34 ANSI B16.34 ANSI B16.34 END TO END ANSI B16.10 ANSI B16.10 ANSI B16.10 INSPECTION AND TEST API 598 TEST PRESSURE TO API598: TRIMS SPECITIED DUE TO TABLE 3: PARTS AND MATERIAL (ASTM): PRESSURE GRADE FROM TO CLASS 600 1/2” 2” CLASS 800 1/2” 2” CLASS 1500 1/2” 2” ANSI SHELL (WATER) SEAT (WATER) SEAT (AIR) CLASS 600 15.3MPA 2225PSI 11.2MPA 1630PSI 0.6MPA 80PSI CLASS 800 21MPA 3000PSI 15.4MPA 2200PSI 0.6MPA 80PSI CLASS 1500 38.7MPA 5500PSI 28.1MPA 4000PSI 0.6MPA 80PSI DISC SEAT SURFACE PART NO.2 BODY SEAT SURFACE PART F6 F6 STELLITE STELILITE F6 STELILITE F304 F304 F316 F316 OTHER MATERIALS ARE AVAILABLE UPON REQUEST. NO. PARTS NAME MATERIALS 1 BODY ASTM A105 ASTM F304 ASTM F316 ASTM F304L ASTM F316L 4 GASKET GRAPHITE+304 GRAPHITE+316 5 CAP ASTM A105 ASTM F304 ASTM F316 ASTM F304L ASTM F316L 6 CAP BLOT ASTM A193 B7 ASTM A193 B8 OTHER MATERIALS ARE AVAILABLE UPON REQUEST.