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| FEP-lining butterfly valve |
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 PTFE lining valves
Technical data and performance parameter:
:Nominal pressure: 1.0 Mpa, 1.6 Mpa, 2.5 Mpa(ANSI Class 125, 150lb)
:Nominal size: DN50~DN600 (2?24?
Suitable temperature: -40?~180?
Suitable medium: This butterfly valve can be applied in various concentrations of Acid, Alkali, Aqua regia and strong chloridizing etc (except the high-temperature melting alkali metals, element fluorine & chlorine trifluoride).
operation style: Handle, worm gear, electric, pneumatic, hydraulic.
Application: This butterfly valve is mainly used in petroleum, chemical, pharmaceutics, and metallurgy, coker etc corrosive pipeline circulation systems.
size
Max. working temperature
Max. working pressure
Test pressure
Liquid
Gas
Shell(Hydrostatic)
Seal(air)
|
size |
Max. working temperature |
Max. working pressure |
Test pressure |
CV
|
Liquid |
Gas |
Shell(Hydrostatic) |
Seal(air) |
| 50 |
180 |
7 |
2.5 |
10.5 |
3 |
120 |
| 65 |
120 |
| 80 |
290 |
| 100 |
450 |
| 125 |
800 |
| 150 |
1200 |
| 200 |
2300 |
| 250 |
3800 |
| 300 |
5700 |
| 350 |
6600 |
| 400 |
9000 |
| 450 |
11900 |
| 500 |
14400 |
| 600 |
21000 |
| Sr. No. |
Part name |
Material |
| 1 |
Body |
Ductile iron |
| 1a |
connection screw |
Alloy steel |
| 2 |
Body liner |
FEP F46 |
| 3 |
Disc liner |
FEP F46 |
| Disc |
Cast steel |
| 1 Upper shaft 1 |
Alloy steel |
| 2 Upper shaft 2 |
Alloy steel |
| 1 Lower shaft 1 |
Alloy steel |
| 3a |
2 Lower shaft 2 |
Alloy steel |
| 3b |
3 Lower shaft 3 |
Stainless steel |
| 4 |
Upper bushing |
Stainless steel |
| 5 |
Lower bushing |
Stainless steel |
| 6 |
Sealing ring |
PTFE |
| 7 |
Press ring |
Stainless steel |
| 8 |
Back bushing |
EPDM/Viton |
| 9 |
Spring washer |
Alloy spring steel |
| 10 |
Socket head cap screw |
Alloy steel |
Main products:
FEP-lining butterfly valve
FEP-lining ball valve
FEP-lining globe valve
FEP-lining diaphragm valve
FEP-lining check valve
FEP-lining Ytype valve
FEP-lining plug valve
FEP-lining pinch valve |
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| Pall ring | Tellerette ring | IMTP ring | Ceramic Alumina ball | PTFE expansion joint | Rubber expansion | Liquid distributor |
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