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QT450 RF Exhaust Valve , Portable Air Release Valve 4 " x PN10 For gas

China Shanghai kangquan Valve Co. Ltd. certification
China Shanghai kangquan Valve Co. Ltd. certification
Have cooperated with this factory for 10 years, they never let me down, good quality, great service. I highly recommend

—— Tecofi

I am satisfied with this factory because of the carefulness of Steve. They always arrange everything for me without any worry.

—— Stema from France

Good Suppliers of Valvest, have over decedes cooperation.

—— Laurence

Verious of products for optional,and one- stop-shop, good to work with professional people

—— Thomas Louis

The quality is top . I think the factory value every detail. Every time i receive the goods, i am very satisfied

—— Alex from Russia

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QT450 RF Exhaust Valve , Portable Air Release Valve 4 " x PN10 For gas

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Large Image :  QT450 RF Exhaust Valve , Portable Air Release Valve 4 " x PN10 For gas

Product Details:
Place of Origin: Shanghai , China
Brand Name: OEM
Certification: WRAS/ ISO 9001
Model Number: QB2
Payment & Shipping Terms:
Minimum Order Quantity: 1pcs
Price: negotiation
Packaging Details: Usually packing by plywood case suit for sea delivery
Delivery Time: 1usually within 35 days after received your payment
Payment Terms: T/T advance or L/C at sight
Supply Ability: 90,000pcs per month
Detailed Product Description
Product Name: Air Valve Application: Water, Oil, Gas Etc.,
Size: DN15 ~DN300 Pressure: PN2.5/6/10/16/125lbs/150lbs/JIS 5K/JIS10K
Standard: DIN / BS / AWWA / JIS Temperature: -20~120 C
Body: Cast Iron/ Ductile Iron/ Stainless Steel Floating Ball: Stainless Steel/ PTFE/ Plastic
High Light:

water air release valve


combination air release valve

QT450 RF Exhaust Valve , Air Valves , Portable Type: 4 "x PN10,Body: QT450 / SUS304.





• For water (Not sewage) and neutral liquids.


• Nominal Pressure: PN 16/25 & PN 25/40


• Working Temperature: -10˚C to 120˚C




Name:  Air valves
-Brand Name: OEM 
- Description: 
QT450 RF exhaust valve,
Portable type: 2 "x PN10,
Body: QT450 / SUS304.
Including ball valve:


PRESSURE (kg / cm2) 10 kg / cm2.


The air release valves will be installed at sections of the pipeline where air pockets would be formed.


The valves shall be of robust construction of double orifices with an integral isolating valve and

flanged base for connection to a valve stem that connects the air valve to the main pipeline.


The bore leading to the flange base shall be in accordance to the size of the main pipeline and the

expected accumulation of air.


QT450 RF Exhaust Valve , Portable Air Release Valve 4 " x  PN10 For gas 0







Standard ; DIN BS ANSI
Working Pressure : PN10 PN16 PN25
Material : Cast Iron and Ductile Iron


1 ) Size: 1-1/2" to 8"
2 ) Class: PN10, PN16.125LB, 150LB
3 ) Type: NBR Floating Ball, Stainless steel /Brass Spindle

All our products are designed and manufactured strictly in conformity with the standard of API, ANSI,

AWWA, JIS, BS and DIN, etc.

Most of our manufacturers have obtained ISO 9001, API 6D, TUV and CE certificates to ensure the quality stability of the products.

We provide EN10204 3.1B. Mill Test  Certificate for all our supplied products.



Competitive Advantage:


•  Coating Powder Epoxy Min. 250 micron

•  Three Way Functioning:

- Allows in flows of large volumes of air when pipe is emptied.

- Release of air under pressure

• Low Maintenance

• Working pressure Min. 0.1 bar Max. 16 bar

• Hydraulic test performed under 1.5xPN pressure

-  Release of large volumes of air during pipeline fill.






Contact Details
Shanghai kangquan Valve Co. Ltd.

Contact Person: Mr. Steve

Tel: +8613818096733

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