METAL SEATED WAFER FLANGE DUAL PLATES CHECK VALVE CAST STAINLESS STEEL

Size: 2″~48″
Pressure Rating: 150LB~4500LB
Design Temperature: -196℃~800℃
General applications: water, oil , gas
Design & Manufacture: API 594, API 6D, ASME B16.34 are basic,other norms could be used according to orders.
F TO F dimensions: API 6D, API 594, ASME B16.10, BS EN 558
Connection: WAFER LUG OR FALNGE AS PER ASME B16.5,ASME B16.47, EN 1092, JIS 5K-20K. BW, RTJ are available.
Structure : dual plates, swing check, spring loaded

TYPICAL MATERIALS

BODY AND BONNET: ASTM A216 WCB/WCC, ASTM A217 WC6/WC9/C5/C12/C12A/CA15, ASTM A352 LCB/LCC, A351 CF8/CF8M/CF3/CF3M, A995 4A/5A, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718 + HF SEALING AREA.
DISC: ASTM A216 WCB/WCC, ASTM A217 WC6/WC9/C5/C12/C12A/CA15, ASTM A352 LCB/LCC, A351 CF8/CF8M/CF3/CF3M, A995 4A/5A, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718 + HF.
SHAFT: ASTM A 182 F6A, F304,F316,XM-19, 17-4PH, INCONEL 625/718, MONEL K-500
SEAT: INTEGRAL STELLITE HF.
SPRING: SS316, INCONEL X-750

OTHER SPECIAL MATERIALS ARE AVAILABLE TO CUSTOMIZE.

TEST

Inspection and approval norm: API598, API6D.

QUALITY CONTROL:

100% Chemical analysis and mechanical test with raw materials of each heat numbers.
100% DPT test with the castings, partly MT or UT test, RT is always available if required.
100% hydraulic test with the shell and seal and low pressure air test.