Left Input, Right Output Shut off Vock Premium Manual High Pressure High Flow Diaphragm Valve

• 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)
• Port Types 1: Ferrule Connector,Integral Male VCR Connector
• Port Types 2: Female VCR Connector, Tube Butt Weld Connector
• 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 carefully engineered for excellence in demanding applications such as semiconductor manufacturing, solar photovoltaic systems, laboratories, and any other scenario requiring precision gas pipeline systems. These diaphragm valves excel in high purity gas applications, offering a reliable on/off functionality. Experience unwavering performance with a maximum operating pressure of high-pressure manual diaphragm valve is 3500psi (241bar).

Each diaphragm valve undergoes rigorous helium leak detection and functional testing, ensuring top-tier reliability before it leaves our factory.
 

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 dimensions: 10 x 10 x 10 cm
Single gross weight: 0.35 kg
Our export packaging adheres to the highest standards: utilizing a double-layer plastic bag, vacuum-sealed inside, complemented by plastic packaging outside, all neatly enclosed in a white carton with a cardboard box for enhanced 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 grade 100 and grade 1000 clean workshops, ensuring pristine quality. They all pass a stringent helium seal test and functional test, guaranteeing reliability before leaving the factory.
Wofly's state-of-the-art facilities include a dust-free workshop with over 100 sq. meters at 100 levels and 500 sq. meters at 1000 levels. Our dynamic team of 30 young production professionals leverages cutting-edge automated tooling and testing equipment to achieve a remarkable average output of 4000 valves per month.
2. Machining workshop
Within Wofly's advanced machining workshop, a fleet of CNC lathes, turning and milling compound machines, and machining centers operate with precision. These facilities produce critical spare parts, including valve bodies, nozzles, nuts, plugs, gaskets, handles, couplings, and more. Our comprehensive setup, featuring automatic deburring machines and ultrasonic cleaners, not only streamlines the production process but also enhances the quality of our spare parts. These components are indispensable for products like pressure regulators, diaphragm valves, check valves, ball valves, needle valves, tube fittings, ferrule connectors, and VCR connectors.
Crafted with precision, our machined spare parts offer high accuracy, efficiency, superior material utilization, and exceptional stability, contributing to enhanced product quality, reduced production costs, and fulfilling customer needs with excellence.

Certifications