The G641Fs reciprocating pneumatic lined fluoroplastic diaphragm valve is designed for controlling non corrosive or generally corrosive media. The inner surface of the valve body is either unlined or covered with various rubber options, making it suitable for different working temperatures and fluid pipelines.

Applicable temperature: ≤ 85 ℃, ≤ 100 ℃, ≤ 120 ℃, ≤ 150 ℃ (according to the lining material)

Material
Valve body: cast iron, ductile iron, carbon steel, stainless steel
Valve cover: cast iron, ductile iron, carbon steel, stainless steel
Lining: unlined, fluoroplastic
Diaphragm: Fluoroplastic
Valve disc: cast iron, carbon steel
Cylinder: ductile iron
Piston: Carbon steel
Valve stem: carbon steel
Handle: Cast iron

Pressure level:
0.6 1.0 1.6

Testing:
Lining layer: Electric spark detection
Testing and inspection shall be conducted in accordance with GB/T13927 standard
Nominal pressure: PN (MPa)
Valve body: PN × 1.5
Sealing: PN × 1.1