AFK High Pressure Diaphragm Valve 31 MPa Manual/Pneumatic Operation 1/4" Port Large Flow Control
Price:
107.71USD
MOQ:
1
Delivery Time:
30Day
Brand:
AFK
Product Description
Product Overview
High-pressure manual and pneumatic operated diaphragm valve designed for large flow applications, featuring corrosion-resistant stainless steel construction and nickel cobalt alloy diaphragm for superior durability.
Key Features
- Maximum working pressure: 31 MPa (4500 psi)
- Fully wrapped valve seat design with superior anti-expansion and contamination resistance
- Nickel cobalt alloy diaphragm for enhanced durability and corrosion resistance
- Surface roughness options: Ra0.25μm (BA grade) or electropolished Ra0.13μm (EP grade)
- Helium test leakage rate < 1×10⁻⁹ STD cm³/s
- Pneumatic actuator options available
- Pneumatic valve service life: 100,000 cycles
Component Materials
| Item | Part Description | Material |
|---|---|---|
| 1 | Handle | Aluminium |
| 2 | Actuator | Aluminium |
| 3 | Valve Stem | 304 Stainless Steel |
| 4 | Bonnet | S17400 |
| 5 | Bonnet Nut | 316 Stainless Steel |
| 6 | Button | Brass |
| 7 | Diaphragm | Nickel Cobalt Alloy |
| 8 | Valve Seat | PCTFE |
| 9 | Valve Body | 316L Stainless Steel |
Flow Performance Data
| Pressure Drop | Air Flow (L/min) | Water Flow (L/min) |
|---|---|---|
| 0.68 bar (10 psig) | 64 | 2.4 |
| 3.4 bar (50 psig) | 170 | 5.4 |
| 6.8 bar (100 psig) | 300 | 7.6 |
Product Specifications
Standard Models - Manual Operation
| Basic Order Number | Port Type & Size | A (in/mm) | B (in/mm) | C (in/mm) | L (in/mm) |
|---|---|---|---|---|---|
| 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- | 1/4" OD | 0.44(11.2) | 0.70(17.9) | 1.12(28.6) | 2.54(64.4) |
Standard Models - Pneumatic Operation
| Basic Order Number | Port Type & Size | A (in/mm) | B (in/mm) | C (in/mm) | D (in/mm) | L (in/mm) |
|---|---|---|---|---|---|---|
| WV4H-6L-TW4- | 1/4"-Tube-w | 0.44(11.2) | 0.3(7.6) | 1.12(28.6) | 0.3(7.6) | 1.74(44.2) |
| WV4H-6L-TF4- | 1/4" OD | 0.44(11.2) | 0.70(17.9) | 1.12(28.6) | 0.3(7.6) | 2.54(64.4) |
| WV4H-6L-FR4- | 1/4"-FA-MCR | 0.44(11.2) | 0.86(21.8) | 1.12(28.6) | 0.86(21.8) | 2.78(70.6) |
| WV4H-6L-MR4- | 1/4"-MA-MCR1/4 | 0.44(11.2) | 0.62(15.7) | 1.12(28.6) | 0.62(15.7) | 2.24(57.0) |
Frequently Asked Questions
Are you a manufacturer?
Yes, we are the manufacturer of these diaphragm valves.
What is the lead time?
Standard lead time is 3-5 days. For orders of 100 pieces, lead time is 7-10 days.
How do I order?
You can order directly through Alibaba or send us an inquiry. We will respond within 24 hours.
Do you have any certificates?
We hold CE certification for our diaphragm valve products.
What materials do you have?
Aluminium alloy and chrome plated brass are available. The product shown features chrome plated brass. Contact us for other material requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shenzhen Wofly Technology Co., Ltd.
Location
Foor 2, 4th Buidling, A Zone, Xinhe Xinxing Industrial 3th Zone, Fuhai Avenue, Baoan, Guangdong, China.
Contact Person
Catlin Zeng