Introduction:
Bare shaft butterfly valve is divided into soft seal and hard seal two sealing forms; Soft seal smooth rod butterfly valve is commonly used in wafer type, lug type, flange type, groove type, hard seal smooth rod butterfly valve is commonly used in wafer type, lug type, flange type, welding type.
Application:
Bare shaft butterfly valve is widely used in metallurgy, petrochemical, chemical refining, water supply and drainage engineering and other industries.
Description:
Product features:
1. The flange on the butterfly valve is self-connecting plate, the upper flange is ISO 5211, American standard, NATIONAL standard 90 degree . The upper flange can also be customized according to customer needs.
2. The shaft diameter of the bare shaft butterfly valve is usually square shaft, elliptical shaft head and circular shaft key connection.
3. Bare shaft butterfly valve can be connected with manual device, electric device, pneumatic device and hydraulic device transmission mode.
Specification:
Valve Size: | 1.2"-144" |
Pressure Class: | 125LB 150LB PN10 |
Matierials: | Ductile iron ASTM A536, carbon steel A216 WCB, stainless steel A351 CF8/CF8M, copper alloy B148-95400/95800 |
Design and Manufacturing Standards: | API609, BS5155, EN593 |
Face to Face Standards: | API609, EN558-1, DIN3202K1, ISO5752 |
Flange Dimension Standards: | ASME B16.1 125LB/150LB, BS4504 PN10/PN16, DIN2501 PN10/PN16, JSIB2220 10K |
Pressure Test Standards: | API598, WN12266-1, DIN3230 Part3 |
Quality/Product Certifications: | CE, ACS, WRAS, TS... |
Valve operator options | Electric, pneumatic, hydraulic, etc |
Process Connection Types | Wafer/ flange type |
Applicable medium | Fresh water, sewage, sea water, air, steam, food, medicine, all kinds of oil, acid, alkali, etc |
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