PTFE/Teflon Seat Lug Butterfly Valve
Features:
• Solid Teflon boot seat with a Silicone Seat energizer
• Solid Teflon encapsulated Disc has a minimum 1/8” (3MM) of pure virgin PTFE over a Stainless Steel core
• Belleville springs top and bottom of seat assures constantly energized stem seal aligned with PTFE bearings
• True ISO-5211 mounting Pad AND stem
• Operators include Top Trigger, Bottom Trigger 10 position or flip the notch plate over for infinite position. Iron Gears and Stainless-Steel gears Aluminum or Stainless Steel Pneumatic Actuators, Aluminum or 316 Stainless Steel Electric actuators, all handles are lockable and gears are lockable with locking attachment.
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 PN10/PN16/JIS/ANSI150/AS Table D/E |
|
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.


















