Pneumatic butterfly valve is operated by pneumatic actuator, the actuator have two types, single acting type and spring return type. According to different working condition, the valve can be made by material PVDF, CPVC, PVC, PP, PPH, lined PTFE and Lined rubber, connection by flange, wafer and lug, as per standard DIN, ANSI, BS, size from 2" to 40". pressure rate by PN10, PN16, 150LB.
Ningbo RMI Plastic Co., Ltd. offer electric butterfly valve with specification:
Size: DN50~DN1000 (2 inch ~ 40 inch)
Connection: wafer, lug, flange ANSI CL150, JIS10K, DIN PN10
Material: PVC-U; PVC-C; PVDF; FRPP; PP-H, WCB, CI
Actuator: Pneumatic
Type: Spring return, double acting
Air supply: 4~6bar
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