Key Technical Parameters

Nominal Pressure: PN0.6, 1.0, 1.6 MPa.

Operating Temperature: Typically ≤85°C, ≤100°C, ≤120°C, or ≤150°C depending on lining and diaphragm materials.

‌Applicable Media: Non-corrosive fluids (W-type), general corrosive fluids (J-type), strong acids/alkalis and organic solvents (FS-type).

‌Test Pressure: Shell test at 1.5 times nominal pressure; seal test at 1.1 times nominal pressure.

Structural Features

Valve Body Material: Cast iron (HT200), ductile iron, carbon steel, or stainless steel.

Sealing Components:

Diaphragm made of neoprene or fluoroplastic; valve stem made of 35 steel.

Actuation Method: Pneumatic (optional manual reciprocating type).

Application Fields

Chemical, metallurgical, petroleum, pharmaceutical, food, environmental protection industries, etc.

Particularly suitable for highly corrosive, high-viscosity media containing particles or fibers.

Selection Recommendations