Shenzhen Wofly Technology Co., Ltd.
Shenzhen Wofly Technology Co., Ltd.
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AFK High Pressure Ultra-High Purity Vacuum Stainless Steel Seal Pneumatic Diaphragm Valve Corrosion Resistance
| Features of Pneumatic Diaphragm Valve The maximum working pressure can reach 31mpa Fully wrapped valve seat design, with superior anti expansion and anti pollution ability Nickel cobalt alloy diaphragm has higher durability and corrosion resistance The standard roughness is Ra0 twenty-five μ M (grade BA), or electropolishing Ra0 thirteen μ M (EP grade) optional Helium test leakage rate ＜ 1 × 10-9std cm3/s Optional pneumatic actuator The service life of pneumatic valve can reach 100000 times Cleaning process standard(WK-BA)
Oxygen cleaning(WK-O2)
Ultra high purity(WK-EP) |
| 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 |
| 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 |
| WV4H | |||||||
| 6L | TW | 4 | MR4 | Executive type | Cleaning process | ||
| body material | TW:inch tube SWL Joint | 4:1/4" | Outlet type | Outlet size | handle | Standard (grade BA) | |
| 6L:316L SS | MR:Male thread MCR joint | Same as entrance | C:Pneumatic normally closed | O2:Oxygen cleaning | |||
| 6LV:316L VAR | FR: Female thread MCR joint | O:Pneumatic normally open | EP:Ultra high purity (EP grade) | ||||
| 6LW:316L VIM-VAR | TF:inch OD joint | ||||||
| FNS:NPT Female | |||||||
| 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
Q: Are you trading company or manufacturer?
A: We are original manufacturer. We can do OEM/ODM business.
Q: How long is your delivery time?
A: Group buying delivery time: 30-60 days; General delivery time: 20 days.
Q: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q: What is the warranty ?
A: The free warranty is one year from the day of Commissioning qualified.If there is any fault for our products within the free warranty period, we will repair it and change the fault assembly for free.
Q2: Can I negotiate the prices?
A2: Yes, we may consider discounts for multiple container load of mixed goods.