Product Name: PTFE Lined Control Valve
Key Features: Bellows Seal, Unbalanced Structure, Single Seated
Body Material: Carbon Steel ASTM A216 WCB, Stainless Steel ASTM A351 CF3, CF3M, CF8, CF8M
Lining Material: PTFE
Size Range: 3/4-8 Inch, DN20-DN200
Pressure Rating: PN16-PN25, Class 150-300 LB
End Connections: Welded, Flanged
Leakage: GB/T 4213 Class VI (Soft Seat), 0.01% Rated Capacity
Medium: Corrosive Medium
Working Temperature: -40°C to +150°C
Flow Characteristics: Equal Percentage, Linear, Quick Open
Actuator Options: Multi-spring Pneumatic Diaphragm Actuator, Piston Type Pneumatic Actuator.
The pneumatic PTFE-lined bellow seal control valve is ideal for corrosive media at low pressure and normal temperatures. It features a single-seat design with a choice of PTFE, FEP, or PFA linings for superior chemical resistance. Capable of managing highly corrosive fluids and toxic gases, this valve is extensively used in the chemical, metallurgical, and pharmaceutical sectors.