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Hand Lever Wafer Butterfly Valve

Aluminum Lever Wafer Butterfly Valve

Double Flange Concentric Butterfly Valve

Gear Operated Wafer Butterfly Valve

Lever Operated Lug Type Butterfly Valve

Lug Type Butterfly Valve (Two Piece Shaft No Pin)

Double Eccentric Flanged Butterfly Valve

One Piece Stem No Pin Lug Butterfly Valve

Triple Eccentric Wafer Butterfly Valve

Universal-Flange Wafer Butterfly Valve

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PTFE Coated Butterfly Valve (Wafer Type) - Durable Chemical Solutions from China Suppliers & Factory

PTFE Coated Butterfly Valve (Wafer Type) for Chemical Applications

Size Options: DN25-DN600

Hand Lever Materials: Available in malleable iron, stamping steel, aluminum, and stainless steel

Drilling Standards: Complies with EN1092 PN10/PN16, JIS, ANSI150, AS Table D/E

Body Materials: Constructed from WCB, ductile iron, CF8, CF8M, among others

Seat Materials: Options include PFA and PTFE for superior chemical resistance

Disc Materials: Featuring WCB+PTFE, CF8+PTFE, CF3M, and WCB+PFA compositions for durability

Stem Materials: Made with high-quality options like SS420, SS410, SS416, SS316, SS304, and duplex stainless steel

As a leading supplier and factory in China, we specialize in manufacturing high-performance PTFE coated butterfly valves tailored for a wide range of chemical applications, ensuring reliability and longevity in even the harshest environments.

Product Details

Features

✔Bubble-tight shut-off at full pressure rating

✔The seat and the disc are the only two valve parts in contact with the medium.

✔Superior design for erosive media.

✔Large number of material combinations available.

✔Standardized actuator flange for easy operator interchangeability.

✔Top bushing absorbs side thrust loads.

✔Hub seal provided by preloaded contact between flatted seat surface and disc hub area for positive sealing at all disc positions.

✔Field replaceable seat isolates the body and stem from the flow.

✔Molded-in O-rings provides flange sealing and eliminates need for gaskets.

⚙ Universal Mounting Flange

The cast-in actuator flange is universally designed in accordance with ISO 5211 standard dimensions. The mounting flange can accommodate all types of operators such as: 10-position handle kits, gear operators, electric actuators, and pneumatic actuators.

Materials Of Main Parts

ITEM	PART NAME	MATERIAL
1	Body Material	WCB/Ductile iron/CF8/CF8M Etc.
2	Seat Material	(PFA/PTFE)
3	Stem Material	SS420/SS410/SS416/SS316/SS304/Duplex stainless steel Etc.
4	Disc Material	WCB+PTFE/CF8+PTFE, CF8, CF8M, CF3M, CF8+PFA, WCB+PFA, etc.
5	Hand Lever	Malleable iron/Stamping steel/Aluminum/Stainless Steel
6	Bushing	PTFE/Bronze
7	O Ring	NBR/EPDM/VITON

Valve Standard

Category	Details
Type	Wafer
Face to Face	API609, EN593, EN558-1 Series 20, DIN3202 K1, ISO5752
Flange Drilling	EN1092 PN6/PN10/PN16/JIS 5K/10K/ANSI150/AS Table D/E/SANS
Mounting Flange	ISO5211
Pressure Rating	PN10 PN16 150PSI 200PSI Class 150
Application	HVAC, Water Supply & Sewage, Food & Beverage, Chemical/petrochemical processing, Power and Utilities, Paper and Pulp, Marine

Dimensions (mm)

More Details

PTFE Coated Butterfly Valve (Wafer Type) (1)

PTFE Coated Butterfly Valve (Wafer Type) (2)

PTFE Coated Butterfly Valve (Wafer Type) (4)

PTFE Coated Butterfly Valve (Wafer Type) (5)

PTFE Coated Butterfly Valve (Wafer Type) (6)

PTFE Coated Butterfly Valve (Wafer Type) (7)

PTFE Coated Butterfly Valve (Wafer Type) (8)

Tianjin Guoji Valve Co., Ltd. is an export-oriented valve manufacturer with 15,332 square meter factory area, which has strong capability of R&D, Manufacture, Trading and Service. Now our company has passed the Lloyd's Register (LR) ISO9001: 2015 quality management system certification (ISO Approval number: ISO 9001 – 00033059) and CE/PED certification (EU Certificate Of Conformity). (Certificate No: 0343/PED/SHA/BJG00001668/A).

TGV's products covered Butterfly valves, Check valves, Strainers, Gate valves, Ball valves, Globe valves, Expansion joints, Flanges and Fittings with pressure range from 0.5 to 6.4 MPa, size from DN15 to DN3000. The products also have been widely exported to more than 30 countries and regions.

We aim at deliver only quality valves with professional services, we see quality and service as life and always take our reputation and promises seriously.

Frequently Asked Questions

Q What is the pressure rating of your PTFE butterfly valve?

Our PTFE butterfly valves support pressure ratings of PN10, PN16, 150PSI, 200PSI, and Class 150, covering a wide range of industrial and commercial pipeline requirements.

Q What body and disc materials are available?

The valve body is available in WCB, Ductile Iron, CF8, and CF8M. Disc options include WCB+PTFE, CF8+PTFE, CF8, CF8M, CF3M, CF8+PFA, and WCB+PFA, giving you flexibility for various media and process conditions.

Q What types of actuators are compatible with this valve?

The valve features a universal mounting flange designed per ISO 5211, making it fully compatible with 10-position handle kits, gear operators, electric actuators, and pneumatic actuators for easy interchangeability.

Q Which international standards does this valve comply with?

Face-to-face dimensions comply with API609, EN593, EN558-1 Series 20, DIN3202 K1, and ISO5752. Flange drilling meets EN1092 PN6/PN10/PN16, JIS 5K/10K, ANSI150, and AS Table D/E/SANS. The company holds ISO 9001:2015 and CE/PED certifications.

Q What industries and applications are these valves designed for?

These PTFE butterfly valves are well-suited for HVAC systems, Water Supply & Sewage, Food & Beverage processing, Chemical and Petrochemical plants, Power and Utilities, Paper and Pulp mills, and Marine applications.

Q Is the seat replaceable, and how is the sealing achieved?

Yes, the seat is fully field-replaceable and isolates the body and stem from the flow medium. Molded-in O-rings provide reliable flange sealing without the need for gaskets, while the hub seal ensures bubble-tight shut-off at full pressure rating across all disc positions.

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