EG641F46 Hand operated reciprocating pneumatic fluorine lined diaphragm valve

EG641F (unlined) and EG641Fs (fluorine lined) pneumatic diaphragm valves (with manual reciprocating type) are designed for controlling non corrosive or highly corrosive media. The surface of the valve body cavity is covered with various fluoroplastics for selection, suitable for different working temperatures and fluid pipelines.

Applicable temperature: ≤ 85 ℃, ≤ 100 ℃, ≤ 120 ℃, ≤ 150 ℃ (according to lining and diaphragm materials)
Pressure rating: PN (MPa) 0.6 1.0 1.6

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: Aluminum alloy, carbon steel
Valve stem: carbon steel, stainless steel
Handwheel: Cast Iron

Testing:
Lining layer: Electric spark detection
Testing and inspection shall be conducted in accordance with BS6755 standard
Nominal pressure: PN (MPa)
Valve body: PN × 1.5
Sealing: PN × 1.1