Stainless Steel Butterfly Valve

Size Range
2" ~ 48" (DN50~DN1200)
Temperature Range
-20°C~+425°C
Pressure Rating
150LB ~ 300LB (PN10~PN40)
Operation Type
Turbo, pneumatic, hydraulic, electric, etc.
Stainless Steel Butterfly Valve

Specification parameters

Name Stainless steel butterfly valve
Size 2" ~ 48" (DN50~DN1200)
Pressure 150LB ~ 300LB (PN10~PN40)
Temperature -20°C~+425°C
Drive Mode Turbo, pneumatic, hydraulic, electric, etc.
Applicable media Water, steam, oil, acid and alkali, seawater, etc.

Part materials

valve body CF8, CF8M
Valve plate CF8, CF8M
Axis 304, 316, 1Cr13
Sealing ring 316,304
filler Flexible graphite, fluoroplastic

Design Specification

Design Standard: API609-83

Structure length: ASME B16.10, GB/T 12221

Flange connection size: ANSI B 16.5

Torsion welding standard: ASME B16.25, GB/T 12234

Pressure test: API 598, GB/T 13927, GB/T 26480

Temperature and pressure test: ASME B16.34, GB/T 12224

Product Description

Stainless steel butterfly valve (also known as stainless steel flap valve) adopts three eccentric multi-layer metal hard seal structure, which is widely used in metallurgical, electric power, petrochemical, and industrial pipelines such as water supply and drainage and municipal construction with medium temperature ≤ 425 °C. For regulating flow and load fluid use. The valve adopts a three-eccentric structure, and the valve seat and the sealing surface of the disc are made of stainless steel with different hardness, which has good corrosion resistance and long service life.

Installation tips:

1. When installing, the disc should stop at the closed position.

2, the opening position should be determined according to the rotation angle of the disc.

3. Butterfly valve with bypass valve. Open the bypass valve before opening.

4, should be installed according to the manufacturer's installation instructions, the weight of the butterfly valve should be set a solid foundation.

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