Product Description of VCR Pneumatic diaphragm valves
- Pneumatic Diaphragm Valve
- Brand:AFKLOK
- Size: 1/4", 1/2"
- End connection: VCR male
- Working pressure:150psi
- Body material: SS316L EP
VCR diaphragm valves may have a maximum working pressure of 100 psig (6.9 bar) for vacuum applications
VCR diaphragm valves may have a maximum working pressure of 150 psig (10.3 bar) for gas and liquid applications
(Choose the right type of diaphragm valve for your needs)
Features of Stainless steel Pneumatic diaphragm valves
1.Metal to metal sealing provides leak free service from vacuum to high pressure
2.The internal volume is small, and the flow channel can be completely purged
3.Fully wrapped valve seat design, with superior anti expansion and anti pollution ability
4.Nickel cobalt alloy diaphragm has higher durability and corrosion resistance
5.The standard roughness is Ra0 twenty-five μ M (grade BA), or electropolishing Ra0 thirteen μ M (EP grade) optional
6.Helium test leakage rate ＜ 1 × 10-9 std cm3/s
7.Pneumatic actuators are available
8.The service life of pneumatic valve can reach 3 million times
 | 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 | 316 SS |
| 7 | Diaphragm | Nickel cobalt alloy |
| 8 | Valve Seat | PCTFE or PFA |
| 9 | Valve Body | 316L SS Or 316L VAR 316L VIM-VAR |
Low pressure pneumatic diaphragm valve selection table
| 6L | TW | 4 | MR | 4 | C | A | EP |
| Valve body material | Input Type | Input size | Output Type | Output size | Actuator Type | Valve seat | Cleaning Process |
| 6L:316L SS | TW:Inch Tube Pipe Butt Weld | 4:1/4" | TW:Inch Tube Pipe Butt Weld | 4:1/4" | Handle | PCTFE | Standard (BA level) |
| 6LV:316L VAR | MR:Integral male thread MCR Fitting | 6:3/8" | MR:Integral male thread MCR Fitting | 6:3/8" | C:Pneumatic normally closed | A:PFA | O2:Clean for Oxygen |
| 6LVW:316L VIM-VAR | FR:Female thread MCR connector | | FR:Female thread MCR connector | | O:Pneumatic normally open | | EP:Ultra-high purity (EP grade) |
| | TF:Inch tube fittings | | TF:Inch tube fittings | | | | |
FAQ
Q1: what kinds of stainless steel are most commonly used?
A1. 201 stainless steel is suitable for use in dry explosion environment. It is easy to rust in water
A2. 304 stainless steel, outdoor or humid environment, strong corrosion resistance and acid resistance.
A3. 316 stainless steel, molybdenum added, more corrosion resistance and pitting corrosion resistance, especially suitable for seawater and chemical media.
Q2. how can we guarantee quality?
A1. Strictly in accordance with the ISO9001 standard, the products have passed the
A2. CE/ROHS/EN certification Always a pre-production sample before mass production;Always final Inspection before shipment;
Q3. what can you buy from us?
A3. pressure regulator,pressure gauges, Tube fittings,solenoid valve,Needle valve,check valve ect.
Q4.What’s the MOQ?
A4. All products are in stock, MOQ is 1 pcs, Generally according to the requirements of customers, no matter.
Q5. what services can we provide?
A1. Accepted Delivery Terms: FOB,CIF,EXW；
A2. Accepted Payment Currency:USD,CNY;
A3. Accepted Payment Type: T/T,L/C,Western Union;
A4. Language Spoken:English,Chinese
Q6. How long will the shipment take?
A6. If it's express, it will take 3~7days.If it by sea,it will take about 20~30days.
Q7. If any question when I got the product,how to solve it?
A7. The product have warranty and we will offer you the online or video technical support.
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1/4" 1/2" Pneumatic Diaphragm Valve 150psi High Purity Stainless Steel 316L EP Images
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