We normally believe that one's character decides products' quality, the details decides products' high-quality ,while using the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for Iso Standard Cylinder, China Aluminum Tank, Empty Gas Cylinder, In order to expand our international market, we mainly supply our oversea customers Top quality performance products and service.
Good User Reputation for Co2 Aluminum Cylinder Tank Valve – QF-21A Diaphragm Valve(200111047) – ZhengXin Detail:
Inlet Thread: PZ19.2
Outlet Thread: W21.8-14
Dip Tube Thread: M8
Working Pressure: 15MPA
Gas Type: O2, Calibration gas
DN: 2
Approval: TSG
Automated testing process under ISO9001 ensures quality.
High leak integrity performance through 100% tests.
Diaphragms ensure that the gas will not come into contact with the valve operating mechanism.
Positive operation can be achieved by mechanical link of the upper and lower spindle.
Quick and easy operation due to ergonomic design.
1. The experienced R&D department of ZX has the capability of developing various new products according to new requirements.
2. Directly contacting with the manufacturer brings professional service for both technical and business questions.
3. Our designers adapt ergonomic design to make the users easily adapting the products.
4. Over-all quality control guaranteed by ISO9001 certification.
Product detail pictures:
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That has a positive and progressive attitude to customer's interest, our organization consistently improves our products quality to satisfy the demands of shoppers and further focuses on safety, reliability, environmental specifications, and innovation of Good User Reputation for Co2 Aluminum Cylinder Tank Valve – QF-21A Diaphragm Valve(200111047) – ZhengXin , The product will supply to all over the world, such as: Pakistan, Paris, Liberia, We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market. 
