Brass Oxygen cylinder valves,pressure reducing valves ,QF-30,Flapper-type hydrogen cylinder valve

Description:


Performance requirements:

1. opening and closing torque, under the nominal pressure, the valve opening and closing the required maximum torque should not exceed 6Nm
2. Air tightness, under the nominal pressure of 1.1 times, the valve is closed and any open state should be no leakage.
3. vibration resistance, under the nominal pressure, the valve should be able to withstand the amplitude of 2mm, frequency of 33 Hz 1/3 vibration, the valve on the threaded connection should not loose, there is no leakage.
4. temperature resistance, under the nominal pressure, the use of the area of the valve temperature is divided into: general area of -20~60 degrees Celsius. In the allowable temperature range, should not leak.
5. Pressure resistance, in 1.6 times the nominal pressure line, the valve should be no leakage and other anomalies.

6. Durability, under the nominal pressure, the valve structure for the diaphragm structure, the whole trip open and close 1000 times, the other structure of the valve full stroke open and close 4000 times, there should be no leakage and other anomalies.

7. 
   Safety device action, the safety device should be in the range of 1.2-1.5 times the nominal pressure action.

Our Innovation:

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Hard to ensure that all of your deadlines are met.
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FAQ

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 25-35 days if the goods are

not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,
balance before shippment.

    Shanghai Qilong High Pressure Container Co.,Ltd. was set up in 2003. Speializing in a wide range of gas cylinders, medical regulator, gas valve products.

    Shanghai Qilong High Pressure Container Co.,Ltd. is a global corporation integrating production, sales and service.

    We specialize in the import and export of gas cylinders including steel gas cylinders, aluminum cylinders used in industry and medical field; gas cylinder vavles; medical oxygen regulators and central oxygen-supplying systems.

    Our products are in accordance with the ISO, BS, EN, DOT, JIS and Chinese GB standards.

    We enjoy a great reputation in the international market. Our products have been exported to Europe, America, South-Africa, North America, the Middle East and Asia.

    Customers worldwide are warmly welcomed to contact us for more imformation.

    We are looking forward to making an establishment of corrprative business relationship with you.