G641 Type-16C Reciprocating Pneumatic Diaphragm Valve

Product Name:Reciprocating pneumatic diaphragm valve

Product model: G641

Brand: Xinrongda

Origin: Wenzhou

Series: Diaphragm Valve

Design and Manufacturing: GB122239

Structural length: GB12221, JB1688

Flange connection dimensions: GB4216, JB78

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

1、 Purpose:

Purpose: The reciprocating pneumatic diaphragm valve is designed for controlling non corrosive or generally corrosive media. The inner surface of the valve body is unlined or covered with various rubber options. The reciprocating pneumatic diaphragm valve is suitable for different working temperatures and fluid pipelines. Applicable temperatures for reciprocating pneumatic diaphragm valves: ≤ 85 ℃, ≤ 100 ℃, ≤ 120 ℃, ≤ 150 ℃ (according to lining and diaphragm materials)

Pressure level: PN0.6, 1.0, 1.6

2、 Materials

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

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

Lining: unlined, rubber

Diaphragm: Rubber

Valve disc: cast iron, carbon steel

Cylinder: ductile iron

Piston: Carbon steel

Valve stem: carbon steel

Handwheel: Cast Iron

3、 Testing

Lining layer: Electric spark detection

Testing and inspection shall be conducted in accordance with GB/T13297 standard

Nominal pressure: PN (Mpa)

Valve body: PN × 1.5

Sealing: PN × 1.1

• Main dimensions and weight