G641j reciprocating pneumatic diaphragm valve is specially used to control non corrosive or general corrosive media. The surface of the inner cavity of the valve body is unlined or covered with various optional rubbers. The reciprocating pneumatic diaphragm valve is suitable for different working temperatures and fluid pipelines. Applicable temperature of reciprocating pneumatic diaphragm valve: ≤ 85 ℃, ≤ 100 ℃, ≤ 120 ℃, ≤ 150 ℃ (according to lining and diaphragm materials)

Pressure rating: pn0.6, 1.0, 1.6

G641j reciprocating pneumatic diaphragm valve material

Valve body: cast iron, ductile iron, carbon steel, stainless steel

Bonnet: cast iron, ductile iron, carbon steel, stainless steel

Lining: unlined, rubber

Diaphragm: Rubber

Disc: cast iron, carbon steel

Cylinder: nodular cast iron

Piston: carbon steel

Stem: carbon steel

Handwheel: Cast Iron

test

Lining layer: electric spark detection

The test and inspection shall comply with gb/t13297 standard

Nominal pressure: PN (MPA)

Valve body: PN × one point five

Seal: PN × one point one

Parts list: 1. Valve body 2. Valve body lining 3. Diaphragm 4. Valve disc 5. Lower valve rod 6. Valve cover 7. Cylinder 8. Piston 9. Cylinder cover 10. Upper valve rod 11. Handwheel