Share on (60580518602):
Cast Iron 4 inch PTFE seal Wafer type Pneumatic Butterfly Valve with CAD Drawing
Pneumatic Butterfly Valve Specifications:
Size: DN50-400
Pressure: PN10/16( 150/200 PSI)
Actuator: handle/gear box /pneumatic /electric
Standard: API, ASTM, ANSI , DIN, BS, JIS ,ISO approved
End connection: wafer type, flange type, lug type
Pneumatic Butterfly Valve Features:
1.Unique stem hole design in the disc ensures a dry stem journal;
2.360 degree polished disc assures positive on-off;
3.Long service life, standing the test of tens thousands opening/closing operations;
4.Bubbles-tight sealing with no leakage under the pressure test;
5.Wide selection of materials , applicable to various medium
Pneumatic Butterfly Valve Material:
| Ref | Description | Material |
| 1 | End Cap | Carbon Steel, Stainless Steel |
| 2 | Gasket | Rubber O-Ring, PTFE |
| 3 | Thrust Ring | Carbon Steel, Stainless Steel |
| 4 | Bushing | Bronze, PTFE, Stainless Steel |
| 5 | Body | Gray Cast Iron, Ductile Iron, Cast Steel, Stainless Steel |
| 6 | Seat Ring | NBR, EPDM, PTFE, VITON |
| 7 | Disc | Gray Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze |
| 8 | Shaft | 2Cr13, 1Cr18Ni9Ti, 304, 316, 316L Stainless Steel |
| Shaft Pin | 2Cr13, 1Cr18Ni9Ti, 304, 316, 316L Stainless Steel | |
| 9 | Packing or "O" ring | NBR, EPDM, PTFE, VITON |
| 10 | Packing Gland | Ductile Iron, Carbon Steel, Stainless Steel |
| 11 | Yoke | Cast Iron, Cast Steel |
| 12 | Worm Gear | Cast Iron, Ductile Iron, Carbon Steel |
| 13 | Hand Lever, Hand Wheel | Ductile Iron, Malleable Cast Iron, Carbon Steel |
1. We accept and produce non-standard valves.
2. We will provide all the details to you during the mass production.
3. Necessary test and certificate can be obtained as you request
4. Your requirement are highly respected.
1. wooden box package.
2. Usually, we ship your big valves by sea.
3. 1~20pcs: 10~15 working days by ship.
Above 20pcs: 30~45 working days by ship.

Wuxi Sikaifu Machinery Manufacturing Co.,Ltd is a high-tech enterprise specialized to research, develop and produce various kinds of pneumatic valves and actuators, like Angle seat valve, Ball valve, Butterfly valve, Gate valve, Globe valve and Check Valve etc.




1. Inner Packing: opp bag, then small carton box for each product.
2. Outside Packing: sta ndard exporting carton box or wooden box or as you required,
Foam outside protecting the valves against damage
3. Usually we ship your order by sea or by express
4. Sample deliver: 3-7days after receiving payment by express;
100~500pcs: 10~15 working days by ship.
Above 500pcs: 30~45 working days by ship.
New products from manufacturers at wholesale prices