Low Pressure Manual Stainless Steel Diaphragm Valve 1/4in 150psi For Nitrogen Oxygen Helium

Product Description of Low Pressure Manual Diaphragm Valve

Features

1. Metal-to-metal seal for leak-free service in the vacuum to high pressure range

2. Small internal volume for complete purging of the flow path

3. Fully encapsulated valve seat design for greater durability and corrosion resistance

4. Nickel-cobalt alloy diaphragm for greater durability and corrosion resistance

5. Standard roughness of Ra0.25μm (BA grade) or electrolytic polished Ra0.13μm (EP grade) available

6. Leakage rate <1 x 10-9 std cm3/s in helium test

7. Pneumatic actuators available

8. Pneumatic valve life up to 3 million cycles

Specification of Low Pressure Manual Diaphragm Valve

	Serial number	element	texture of material
	1	Handle	Aluminium
	2	Actuators	Aluminium
	3	Valve stem	304 SS
	4	Bonnet	S17400
	5	Bonnet nuts	304 SS
	6	Buttons	304 SS
	7	Diaphragm (2)	Nickel-cobalt alloys
	8	Valve seat	PCTFE or PFA
	9	Valve body	316L SS or 316L VAR 316L VIM-VAR

Cleaning process

Standard (WK-BA)

Welded joints are cleaned according to our standard cleaning and packaging specifications, to be ordered without the addition of a suffix

Cleaning for oxygen (WK - O2)

Product cleaning and packaging specifications for use in oxygen environments are available, and this meets ASTM G93 Class C cleanliness requirements; to order, add -O2 to the ordering number

Ultra High Purity (WK-EP)

Available in controlled surface finish, electrolytically polished Ra 0.13μm, ultrasonically cleaned in deionised water. To order, add - EP to the order number

Packing & Delivery

FAQ

1. who are we?
We are based in Guangdong, China, start from 2011,sell to Southeast Asia(20.00%),Africa(20.00%),Eastern Asia(10.00%),Mid East(10.00%),Domestic Market(5.00%),South Asia(5.00%),Northern Europe(5.00%),Central America(5.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),North America(5.00%). There are total about 51-100 people in our office.

2.How do I order?

You can order it from Alibaba directly or send us a inquiry. We will reply you within 24 hours

3.Do you have any certificates?

We have CE certificate.

4. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

5.what can you buy from us?
pressure regulator,Tube fittings,solenoid valve,Needle valve,check valve

6. why should you buy from us not from other suppliers?
We have a couple of years with professional engineers and dedicated technicians.can provide security products for you

7. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW；
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese

WOFLY is a leading Manufacturer, Supplier and Exporter of a wide range of gas equipements, available under the brand name AFK & Afklok. Wofly's success yields from high-quality, innovative products, exceptional customer service, and unequaled technical expertise in the gas& oil industry.

WOFLY offers an extensive line of components including tube fittings, control valves, shut-off and solenoid valves, pressure relief and regulators.Through the years we have learned how to properly match the gas regulation equipment with the application. Using the proper equipment for the job eliminates problems such as contamination, pressure variances, safety issues, and equipment mismatch.

To expand the market, with CE and ISO9001 certificated, Shenzhen WoflyTechnology Co., Ltd becomes more professional to provide better service and get more chance from customers.

Our products are widely sold with warm acceptance from our distributors all over the world. And we have rich export experience in many countries, like USA, Canada, Mexico, UK, German, Switzerland, Italy, Spain, France, Japan, Vietnam, Indonesia, Malaysia, Singapore, etc.