GENERAL
Size: 28″ and above.
Pressure Rating: PN6~PN25
General applications: Water. Oil. Gas.
DESIGN
Design & Manufacture: API 609 are basic, other norms could be used according to orders.
F TO F dimensions: API 609, ASME B16.10,BS EN 558
Connection: ASME B16.5, EN 1092, JIS 5K-20K. BW, RTJ are available.
Safety design: anti-blow out stem.
GENERAL MATERIAL
BODY: CAST IRON, DUCTILE IRON
DISC: ALUMINIUM BRONZE (C95400, C95500, C95800), STAINLESS STEEL(CF8,CF8M,CF3,CF3M,2205,2507),MONEL(K-400,K-500)
STEM: 13CR, SS304, SS316, F51, F53, F55, 17-4PH, INCONEL 718, MONEL K-500
SEAT: EPDM, NBR, BUNA-N, VITON
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.
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