Shenzhen Wofly Technology Co., Ltd.
Shenzhen Wofly Technology Co., Ltd.
Add to Cart
Product Description of Manual Diaphragm Valves
1. The maximum working pressure can reach 31mpa
2. Fully wrapped valve seat design, with superior anti expansion and pollution ability
3. Nickel cobalt alloy diaphragm has higher durability and corrosion resistance
4. The standard roughness is Ra0 twenty-five μ M (grade BA), or electropolishing Ra0 thirteen μ M (EP grade) optional
5. Helium test leakage rate ＜ 1x10-9 STD cm3 / S
6. Pneumatic actuators are available
7. The service life of pneumatic valve can reach 100000 times
Specification of Manual Diaphragm Valves
| Item | Part Description | Material |
| 1 | handle | Aluminium | |
| 2 | Actuator | Aluminium | |
| 3 | Valve Stem | 304 SS | |
| 4 | Bonnet | S17400 | |
| 5 | Bonnet Nut | 316 SS | |
| 6 | Button | Brass | |
| 7 | Diaphragm | Nickel cobalt alloy | |
| 8 | Valve Seat | PCTFE | |
| 9 | Valve Body | 316L SS |
| Flow data:Air@ 21℃(70℉) Water@16℃(60℉) | |||
| 1 | pressure drop of maximum air pressure bar(psig) | air(I/min) | water(I/min) |
| 2 | 0.68(10) | 64 | 2.4 |
| 3 | 3.4(50) | 170 | 5.4 |
| 4 | 6.8(100) | 300 | 7.6 |
| basic order number | port type and size | size in.(mm) | |||
| A | B | C | L | ||
| WV4H-6L-TW4- | 1/4"-Tube-w | 0.44(11.2) | 0.3(7.6) | 1.12(28.6) | 1.81(45.9) |
| WV4H-6L-FR4- | 1/4"-FA-MCR | 0.44(11.2) | 0.86(21.8) | 1.12(28.6) | 2.85(72.3) |
| WV4H-6L-MR4- | 1/4"-MA-MCR1/4 | 0.44(11.2) | 0.58(14.9) | 1.12(28.6) | 2.24(57.0) |
| WV4H-6L-TF4- | OD | 0.44(11.2) | 0.70(17.9) | 1.12(28.6) | 2.54(64.4) |
FAQ
1. who are we?
We are based in Guangdong, China, start from 2011,sell to Southeast Asia(20.00%),Africa(20.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(5.00%),South Asia(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),North America(5.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
pressure regulator,Tube fittings,solenoid valve,Needle valve,check valve
4. why should you buy from us not from other suppliers?
We have a couple of years with professional engineers and dedicated technicians.can provide security products for you
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese