NYLON COATED WAFER FLANGE BUTTERFLY VALVE

Description

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,CARBON STEEL
DISC: NYLON COATED DUCTILE IRON OR CARBON STEEL
STEM: 13CR, SS304, SS316, F51, F53, F55, 17-4PH, INCONEL 718, MONEL K-500
PIN OR PINLESS
SEAT: EPDM, NBR, BUNA-N, VITON
OPERATOR: GEAR UNIT

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.GUATANTEE:

SAVVY VALVES provide 12 months service life at least, free spares and maintenance instruction will be provided when required.