Product Details
Product Description
Product Description
What is wafer type butterfly valve?
Most wafer-style butterfly valves are engineered with four holes that align with the connected pipeline. The valve is designed to clamp between two flanges in your pipe work. Most wafer butterfly valves fit the majority of flange standards.
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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