GENERAL DESIGNED SPECIFICATIONS
Size: 2″~60″.
Pressure Rating: 150LB~4500LB
Design Temperature: -196℃~800℃
General applications: water, oil , gas
Design & Manufacture: API 6D , ASME B16.34 are basic,other norms could be used according to orders.
F TO F dimensions: API 6D, ASME B16.10, BS EN 558
Connection: RF AS PER ASME B16.47 A, ASME B16.5, EN 1092, JIS 5K-20K. BW, RTJ are available.
Safety design: anti-static, fire proof, anti-blow out stem.
Additional: Double block and bleed.SOFT SEAT OR METAL SEAT DESIGN.
TYPICAL MATERIAL LIST
BODY: ASTM A105, ASTM A182 F304/F304L/F316/F316L/F6A/F11/F22/F91/F51/F53/F55, A694 F60, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718
BALL: ASTM A105, ASTM A182 F304/F304L/F316/F316L/F6A/F11/F22/F91/F51/F53/F55, A694 F60, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718
STEM: ASTM A105, ASTM A182 F304/F304L/F316/F316L/F6A/F11/F22/F91/F51/F53/F55, A694 F60, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718
SEAT COLLAR:ASTM A105, ASTM A182 F304/F304L/F316/F316L/F6A/F11/F22/F91/F51/F53/F55, A694 F60, C83600/C95400/C95800, MONEL K400/K500, H-276, INCONEL 625/718
SEAT INSERT: RPTFE, DEVLON,NYLON, MOLON,PCTFE, PEEK ETC.
SPRING: INCONEL X-750
OPERATOR: LEVER OR GEAR
OTHER SPECIAL MATERIALS ARE AVAILABLE TO CUSTOMIZE.
TEST AND INSPECTION
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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