PTFE seat Butterfly Valve

Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...

Product Details

Detailed description:

Type Available: Wafer type, Flange, Lugged

Sizes Available: DN25mm to DN1200mm (1" to 48")

Suitable Temperature: -15℃-150℃

Pressure Range: From PN1.0 to 1.6 (150LB)

Body: Cast iron, Ductile Iron, WCB, Stainless Steel

Disc: Ductile iron+PTFE, WCB+PTFE, stainless steel.

Shaft: 416, 410, stainless steel.

Suitable Mediums: Fresh or waste water, sea water, sewage, vapor, air, oil, etc.

Standard compliance:

Top Flange: ISO5211 or customized.

Materials Standard:API DIN and etc.

Inspection & Testing: API 598, EN 12266-1

Basic Design: API609, BS5155, EN593, MSS SP-67

Face to Face Dimension: API609, DIN3202K1, ISO 5752, BS5155, EN558

Flanged End Dimension:AS 2129 "D", "E",BS 10 "D" "E",JIS 5K/10K/16K,ASME B16.1 125LB/ ASME B16.5 150LB, BS4504 PN6/PN10/PN16,DIN2501 PN6/PN10/PN16,ISO 7005 PN6/PN10/PN16.


1. Simultaneously they have good fluid control properties, and can operate simply.

2. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.

3. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation producting, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of PTFE seat Butterfly Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.