PTFE Coated Butterfly Valve(Wafer Type)
Features：
• 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.
• 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:
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.
