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Screw Wafer Butterfly Valve

Technical Parameters

Product model: A-type, B-type, AS type, BS type, CS type, SX type, ES type, QS type, DS type
Product caliber: DN40-1200
Product pressure: PN0.6~4.0Mpa
Product material: ductile iron, copper, cast iron, cast steel, carbon steel, etc
Operating temperature: ≤80°C
Suitable medium: air, seawater, steam, gas, oil, etc
Drive form: manual, worm gear drive, gas transmission, electric transmission
Design standard: GB/T3036
Flange connection size: GB/T9113.1; GB/T9113; GB/T9115
Pressure test: GB/T 13927; JB/T 9092

Product Details

Product description

The spiral wafer butterfly valve is suitable for water supply and drainage, gas pipelines such as ships, medicine, chemical industry, petroleum, electric power, textile, papermaking, etc., to adjust the flow rate and intercept the medium. It has the function of compensating for thermal expansion and contraction of pipelines.

Its main structural features

1. Novel design, reasonable structure, light weight, convenient operation, quick opening and closing;
2. In addition to regulating and shutting off the flow, the spiral wafer butterfly valve can also provide convenience for installation, replacement and maintenance in addition to the function of compensating the thermal expansion and contraction caused by the temperature difference of the pipeline;
3. The sealing part can be adjusted and replaced, and the sealing performance is reliable.