Standard Double Flange Butterfly Valve

PHOTOS SHOWS SPECIFICATIONS AS BELOW
SIZE: DN450
RATING: PN16
BODY: ASTM 536 DUCTILE IRON 65-45-12
DISC: ASTM A536 DUCTILE IRON 65-45-12+ENP
STEM: SS416 PINLESS
SEAT: EPDM
ACTUATION: GEAR UNIT

GENERAL DESIGN SPECIFICATION

Size: 2″~144″, DN50~DN3600
Pressure Rating: PN6~PN25, 125LB/150LB,200WOG,JIS 5K 10K 16K 20K
General applications: Water. Oil. Gas.
Design temperature: -29℃~150℃
Design & Manufacture: API 609 BS 5155 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.

TYPICAL MATERIALS LIST

BODY: A126 GR.B A395 , A536 65-45-12, A351 CF8 CF8M,C95400, C95800

DISC: A395+ENP, A536+ENP, 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

OPERATOR: GEAR UNIT

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

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What Are The Advantages Of Using A Standard Double Flange Butterfly Valve?

The standard double flange butterfly valve is known for its robust construction and secure installation, making it ideal for critical pipeline applications where reliable sealing and structural stability are essential. With flanges on both sides, it ensures easy alignment during mounting and provides a tight, leak-proof connection, even under high-pressure or high-vibration conditions. This design is particularly suitable for large-diameter pipelines, pumping stations, and industrial systems handling water, air, gas, or mildly corrosive fluids. The butterfly mechanism enables fast opening and closing with minimal torque, supporting efficient flow regulation and system shutdown. Additionally, the valve's compact profile and low weight compared to other types make it easy to install and maintain. Its durability, versatility, and ease of integration with standard piping systems make it a preferred solution for municipal, industrial, and utility infrastructure.

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