Product Details
Place of Origin: China
Brand Name: AFK
Certification: CE
Model Number: WV4L-P
Payment & Shipping Terms
Minimum Order Quantity: 1
Price: 89.25USD
Packaging Details: Expotrt Packing
Delivery Time: 30Day
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 3000PC
Material: |
Stainless Steel |
Power: |
Pneumatic |
Pressure: |
Low Pressure |
Structure: |
Diaphragm |
Application: |
Industrial |
Standard Or Nonstandard: |
Standard |
Body Material: |
316L,Stainless Steel |
Size: |
1/4" |
Material: |
Stainless Steel |
Power: |
Pneumatic |
Pressure: |
Low Pressure |
Structure: |
Diaphragm |
Application: |
Industrial |
Standard Or Nonstandard: |
Standard |
Body Material: |
316L,Stainless Steel |
Size: |
1/4" |
AFK 316 Stainless Steel Low Pressure Seal Pneumatic Ultrahigh Purity Available Diaphragm Valve 1/4in
Standard (wk-ba) All welded joints shall be cleaned according to the company's standard cleaning and packaging specifications. When ordering, there is no need to add suffix Cleaning for oxygen (wk - O2) Product cleaning and packaging specifications for oxygen environment are available, which meet the requirements of ASTM G93 class C cleanliness. When ordering, please add - O2 after the order number Ultra high purity (wk-ep) Provide controlled surface finish, electropolishing RA 0.13 μ m. Deionized water ultrasonic cleaning. To order, add - EP after the order number |
![]() |
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 |
Basic order number | Port type and size | in(mm) | |||
A | B | C | D | ||
WV4-6L-TW4- | 1/4" Tube Pipe butt welding joint | 0.44 (11.2) | 0.30 (7.6) | 1.06 (26.9) | 1.74 (44.2) |
WV4-6L-TW6- | 3/8" Tube Pipe butt welding joint | 0.44 (11.2) | 0.26 (6.6) | 1.06 (26.9) | 1.74 (44.2) |
WV4-6L-FR4- | 1/4" Thread MCR joint | 0.44 (11.2) | 0.86 (21.8) | 1.06 (26.9) | 2.78 (70.6) |
WV4-6L-MR4- | 1/4" Male MCR joint | 0.44 (11.2) | 0.62 (15.7) | 1.06 (26.9) | 2.24 (57.0) |
Technical Data | ||
1 | Port size |
1/4", 3/8"
|
2 | Flow coefficient (CV) |
0.27
|
3 | Inner diameter |
0.16 in. (4.1 mm)
|
4 | Maximum working pressure |
10 bar (150 psig)
|
5 | Working pressure of pneumatic actuator |
4.2~6.2 bar (60~90 psig)
|
6 | working temperature |
PCTFE:-23~65℃(-10~150℉)
|
7 |
PFA:-23~150℃(-10~302℉)
|
|
8 | Leakage rate (helium) |
inside ≤1×10 mbar l/s
|
9 |
external ≤1×10 mbar l/s
|
Features of Manual Operated Diaphragm Valve 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 6.Helium test leakage rate <1 × 10-9 std cm3/s |
Model description
6L | TW | 4 | MR4 | valve seat | Cleaning process | ||
body material | TW:inch tube SWL Joint | 4:1/4" | Outlet type | Outlet size | handle | PCTFE | Standard (grade BA) |
6L:316L SS | MR:Male thread MCR joint | 6:3/8" | Same as entrance | C:Pneumatic normally closed | A:PFA | 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 |
FAQ
Q. Are you manufacturer?
A. Yes, we are manufacturer.
Q.What is lead time?
A.3-5days. 7-10 days for 100pcs
Q. How do I order?
A.You can order it from Alibaba directly or send us a inquiry. We will reply you within 24 hours
Q. Do you have any certificates?
A. We have CE certificate.