Carbon steel types of hydraulic contral Valve
1.The length of the bonnet extension of cryogenic valves shall be determined based on actual working temperature.
2.The torque measuring and calculation is based on normal room temperature, when selected seat material is PTFE/RPTFE for Class 150/ Class 300 and Nylon for Class 600.
3. For low-temperature/cryogenic service, the torque will increase 2 fold.
4.When sizing the actuator, a safety factory of 1.3~1.5 times shall be applied.
5. When the service or seat material is different than that specified above, the torque value will be different, it shall be subject to the confirmation from the manufacturer.
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 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.
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