Precision Engineered High Pressure Diaphragm Valve 1/2" 3500psi on-off for Instruments

• Customization: Available
• Media: Gas
• Temperature: Ordinary Temperature
• Model NO.: WV8H-6L-MR8-MR8-EP
• Actuator: Manual
• Connection: Ferrules Connection
• Material: Stainless Steel
• Structure: Global Diaphragm Valve
• Pressure: High Pressure
• Flow Direction: Left Input,Right Output
• Function: Shut off Valve
• Usage: on-off
• Standard: GB, ANSI
• Port Size: 1/2"
• Warranty: 1 Year
• Surface Roughness: Ep-Grade Ra0.13um,Ba-Grade Ra0.13um
• Application: Gas Industry
• Certificate: CE,RoHS,ISO9001
• Working Pressure: 3500psig(241bar)
• Flow Coefficient: CV=0.8
• Working Temperature: -23degrees Celsius to +65degrees Celsius
• Product Standard: ASME B16.34
• Internal Diameter: 0.31inch(8.0mm)
• Transport Package: Export Packing Standard
• Specification: single gross weight: 0.3kg
• Trademark: VOCK
• Origin: China
• HS Code: 8481804090
• Production Capacity: 40000pieces Per Year

Product Description

Detailed Photos

Product Description

Product Introduction
WV8H Series High-pressure diaphragm valves are ingeniously crafted for essential sectors such as semiconductor, solar photovoltaic, and laboratory environments. Perfect for applications requiring the installation of gas pipeline systems, these valves excel in providing high purity gas with a reliable on/off function. The pinnacle of performance, these high-pressure manual diaphragm valves is3500psi (241bar).

Every diaphragm valve undergoes rigorous 100% helium leak detection and comprehensive functionality testing before it's dispatched from the factory, ensuring unparalleled quality and dependability.
 

Features

Metal to metal seal, no packing.

Suitable for high flow application.

Fully wrapped seat design, with superior anti-expansion and anti-pollution capabilities.

Nickel-cobalt alloy diaphragm for higher durability and corrosion resistance

The standard roughness is Ra0.25μm(BA class) or electrolytically polished Ra0.13μm(EP class)

Helium test leakage rate <1×10^-9 mbar.l/s

Product Parameters

Specification

Technical data

Port Dimension : 1/2'' ,3/8"

Flow coefficient :Cv=0.8

Maximum working pressure

Manual : 241bar(3500psig)  Pneumatic: 206bar(3000psig)

Pneumatic actuator working pressure :4.2~6.2bar(60~90psig)

Working temperature

PCTFE:-23~+65ºC(-10~+150°F)  Vespel:-23~150ºC (-10~302°F)

Surface roughness:standard Surface roughness is Ra0.25um,BA-grade product.EP-grade product is optional,Surface roughness is Ra0.13um.

Leakage rate (Helium)

 Inside : ≤1×10^-9 mbar.l/s

 Outside : ≤1×10^-9 mbar.l/s

Clean process

BA : Welded joints are cleaned in accordance with our standard cleaning and packaging specifications.

EP : Provides controlled surface finish, electrolytic polishing Ra0.13μm, ultrasonic cleaning with deionized water. To order, add the suffix -EP to the order number

Model Explanation
WV8H- 6L TW - 8 MR 8 C - V - EP

Product Model	Valve body material	Inlet types	Inlet dimension	Out let types	Out let dimension	Executor type	Valve seat	Clean Process
	6L-316Stainless steel 6LV-316LVAR 6LW-316LVIM-VAR	TW-Tube butt weld MR-VCR Male connector FR-VCR Female connector TF-Fractional Ferrules	6-3/8" 8-1/2"	Sameasinlet Marking method same asinlet		Handle C-Pneumatic Nomallyclosed O-Pneumatic Normally Open	PCTFE V-Vespel	Standard(BA-grade) EP-Ultra high-purity(EP-grade)

Flow Rate Data

Air@21ºC(70F)                                         Water@16ºC(60F)
Pressure drop at maximum atmospheric pressure bar(psig	Air (l/min)	Water (I/min)
0.68  (10)	274	9.5
3.4  (50)	733	21.5
6.8  (100)	1300	30.3

Packaging & Shipping

Package and Delivery
Selling Units: Single Item
Single Package Size: 10 x 10 x 10 cm
Single Gross Weight: 0.35kg
Export Packaging Standard: Our robust packaging involves a double-layer plastic bag, with vacuum sealing inside, complemented by external plastic packaging. This is further secured with a white carton and cardboard box, ensuring optimal protection.

FAQ

1. What's your payment ?

A:T/T,Western Union, Paypal, credit card and trade assurance on Made in China.

2. Where is there market for your factory?

A:Southeast Asia ,UNE,and America ,Europe.

3. Can you surpport OEM,ODM ?

A:Yes,we can.

4. Can you accept sample order and what is your MOQ?

A:All products are in stock, MOQ is 1 pcs, Generally according to the requirements of customers, no matter how many we can accept.

5. Which certificate do you have?

A:ISO9001,CE,RoHS.

6. What is your Brand?

A:VOCK.

7. What is your warranty?

A:1 year warranty.

8. Can after-sales service and technical consultation respond in time?

A:Technical services are available 24H/D.Our technical team can provide technical services for pre-sale, after-sale, installation and research and development of new products.

9. What is your delivery time(D/T)?

A:1~2 weeks.

10. Did you test all goods before delivery?

A:100% passed pressure and helium leak detection tests.

11. Do you have a patent for your invention?

A:Yes ,we have more than 40 patents, including 16 national patents.

12. What are your testing standards for your products?

A:Helium leakage rate reaches≤10-9mbarL/S, and fatigue life of pneumatic diaphragm valve reaches 400W times.

13. Which standard material Wofly choose ?

A:Material :
1. valve body:SEMI standard 316L rod, 316L VAR and 316L VIM-VAR are optional.
2. diaphragm strip:Hastelloy and nickel-cobalt alloy imported from the United States or Europe .
3. valve seat:PCTFE, PFA.
14. How to manage and control produce process ?
A: 1. Wofly strictly obeys ISO9001-2015 quality management system.
2.The ultrasonic cleaning, welding, assembly, testing and packaging of the valve are completed in the clean workshop.
3.Each process is monitored, tested and recorded by the quality Department specialist to ensure the reliability of each process index.

Our Advantages

Production Strength

1. Clean Workshop Assembly
All products are meticulously assembled in impeccable grade 100 and grade 1000 clean workshops. Stringent helium inspection seal tests and functional evaluations are conducted on 100% of our products before they embark on their journey to you.
Currently, Hunan Wofei Technology boasts a state-of-the-art dust-free workshop with an expanse of over 100 m2 at 100 levels and over 500 m2 at 1000 levels. Our vibrant production team, comprising 30 skilled professionals, leverages cutting-edge automated tooling and testing equipment, consistently achieving an astonishing average valve output of 4000 pieces monthly.
2. Machining Workshop
Wofly's machining workshop is a hub of innovation, featuring an array of CNC lathes, turning and milling compound machines, and advanced machining centers. These facilities are instrumental in crafting essential spare parts like valve bodies, nozzles, nuts, plugs, gaskets, handles, and couplings. Our arsenal of automatic deburring machines and ultrasonic cleaning machines, along with other peripheral equipment, ensures not only exceptional production efficiency but also elevates the quality of spare parts. These components are primarily utilized in pressure regulators, diaphragm valves, check valves, ball valves, needle valves, tube fittings, ferrule connectors, and VCR connectors.
The precision-crafted spare parts boast remarkable high precision, unmatched efficiency, excellent material utilization, and incredible stability. These elements synergistically enhance product quality, slash production costs, and cater to customer demands.

Certifications