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.
| Model | Product name | Medium | Service Pressure(MPa) | Inside nominal diameter(mm) | Internal thread mm | Temperature or pressure of safe apparatus(MPa) | Thread connected to cylinder (mm) |
| QF-2G | Coupling oxygen valve | oxygen, atmosphere nitrogen | 15 | 4 | G5/8 | 21±1.5 | GB8335 PZ27.8
|
Our Innovation:
Quality & Service At Freedom, our #1 priority has always been providing our clients with great
quality products and superior customer service.
Quick Lead Time We're dedicated to providing the quickest turnaround times and work very
Hard to ensure that all of your deadlines are met.
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idea of quality and value into all of your potential customers.
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.
Product Tags:
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Brass oxygen cylinder valves,QF-2G,Internal thread G5/8 mm bottle valves Images
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