Standard Vulcanized Rubber Seat Butterfly Valve

PHOTO SHOWS SPECIFICATIONS AS BELOW
SIZE: 8″~14″
RATING: 200WOG
BODY: ASTM A536 DUCTILE IRON
DISC: ASTM A536 DUCTILE IRON
STEM: SS416 PINLESS
SEAT: NBR
ACTUATION: GEAR UNIT

GENERAL DESIGN SPECIFICATION

Size: 2″~48″.
Pressure Rating: PN6, PN10, PN16,PN20, 200WOG, 125LB, 150LB, JIS 5K 10K 16K 20K
General applications: Water. Oil. Gas.
Suitable temperature: -29℃~150℃
Design & Manufacture: API 609 are basic, ASME B16.34 ,other norms could be used according to orders.
F TO F dimensions: API 609, ASME B16.10,BS EN 558
Connection: Drilled as per ASME B16.5, EN 1092, JIS 5K-20K. BW, RTJ are available.
Safety design: anti-blow out stem.

TYPICAL MATERIAL LIST

BODY: ASTM A126 , ASTM A536, ASTM A216 WCB ASTM A395

DISC: ASTM A536, ASTM A395, ASTM A351 CF8, ASTM A351 CF8M, ALUMINIUM BRONZE (C95400, C95500), DSS F51, F53, F55

STEM: 13CR,SS304,SS316, DSS F51, F53, F55, XM-19, 17-4PH, INCONEL 718, MONEL K-500

SEAT: EPDM, NPR, VITON

OPERATOR: LEVER AND GEAR UNIT

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.

GUATANTEE

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

HOT SALE PRODUCTS

For over 10 years, we have been a leading supplier of industrial valves for major global projects in water supply, oil & gas, and desalination.

Why Choose A Standard Vulcanized Rubber Seat Butterfly Valve?

The standard vulcanized rubber seat butterfly valve is favored for its durable, leak-proof design and is commonly used in water supply, HVAC, chemical, and food industries. The vulcanized rubber seat is permanently bonded to the valve body, ensuring a tight and secure seal that resists wear, aging, and corrosion even under frequent cycling. This eliminates the risk of seat displacement or leakage, especially in demanding service conditions. The one-piece, integrally bonded seat design reduces maintenance needs and offers long-term sealing reliability. Compared to replaceable seat types, vulcanized seats provide better resistance to deformation and offer excellent sealing even with minimal torque. The butterfly valve’s compact structure allows for space-saving installation, and its quick quarter-turn operation ensures fast flow control. This valve is a cost-effective, low-maintenance solution for applications where consistent performance and zero leakage are essential.

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