Guangzhou Guanwo Valve Manufacturing Co., Ltd.

Guangzhou Guanwo Valve Manufacturing Co., Ltd.

Pneumatic Carbon‑Steel Telescopic Butterfly Valve, WCB Pneumatic Expansion‑Compensation Butterfly Valve, SD641X‑16C Pneumatic WCB Resilient‑Seated Telescopic Butterfly Valve, Triple‑Eccentric Pneumatic WCB Telescopic Butterfly Valve
Butterfly Valve Series

Pneumatic Carbon‑Steel Telescopic Butterfly Valve, WCB Pneumatic Expansion‑Compensation Butterfly Valve, SD641X‑16C Pneumatic WCB Resilient‑Seated Telescopic Butterfly Valve, Triple‑Eccentric Pneumatic WCB Telescopic Butterfly Valve

Execution Standard

GB, JIS, ASTM, BS, GOST, DIN

Drive Type

Manual, pneumatic, electric, hydraulic, electromagnetic, self operated

Application Industry

Chemical industry, petroleum, power plant, thermal‑heating pipeline, metallurgy, sewage‑treatment plant, industrial process piping, large‑scale industrial pipeline project

Material

WCB 304 316

Model

SD641X‑10C, SD641X‑16C(center‑line soft‑seal WCB); SD643H‑10C, SD643H‑16C(triple‑eccentric metal‑seal WCB)

WCB carbon‑steel body, flanged connection, built‑in axial telescopic compensator, driven by pneumatic actuator. Soft‑seal for normal‑temperature medium; triple‑eccentric metal‑seal for high‑temperature & high‑pressure conditions. Compensates pipeline thermal expansion‑contraction & installation deviation, easy for assembly and maintenance, for pipeline shut‑off and flow regulation; optional solenoid valve, positioner, limit switch available.
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Technical Specifications

Pneumatic Carbon‑Steel Telescopic Butterfly Valve, WCB Pneumatic Expansion‑Compensation Butterfly Valve, SD641X‑16C Pneumatic WCB Resilient‑Seated Telescopic Butterfly Valve, Triple‑Eccentric Pneumatic WCB Telescopic Butterfly Valve Technical Specifications