| After-sales Service: | Online Services |
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| Warranty: | One Year |
| Manufacturing Process: | Casting |
| Surface Treatment: | Spray-Paint |
| Operation Pressure: | Atmospheric Pressure |
| Material: | Cast Steel |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 1) Relief valves are overpressure protection devices for protecting personnel and equipment, and usually installed in HP operation line for cementing/fracturing pumps, pressure vessels and other equipment under HP and high displacement.
2) The preset pressure value ranging 5000psi to 15000psi(35MPa to 105MPa) is adjusted through the top nut. When pumping pressure or operating pressure exceed the preset value, the Relief valves will automatically open for pressure release. While the pressure is less than the preset value, they will be automatically closed.
Pressure Relief Valve
Pressure Relief Valves - safety relief valves are often used in the oilfield when provide overpressure protection for cementing/fracturing pumps, fracturing &treating lines, pressure vessels, and other equipment.
Pressure Relief Valves - safety relief valves opens when a preset pressure is exceeded and automatically shut when pressure drops. Pressure Relief Valves are union connection and designed and manufactured in accordance with API 6A and API 16C standard and they are improved from SPM series.
| Name | Rated pressure | Connection |
| 2" Relief valve | 35-105MPa | 2"FIG1502 tool joint pin X 2"LP |
| 2" Relief valve | 35-105MPa | 2"FIG1502 tool joint pin X 2" tool joint box |
Oil and Gas lines
High-pressure well servicing lines
Acidizing& fracturing lines, &testing lines
Crude Oil and Sour Gas, Mud.
Manifolds and Pipelines, vessels
circulating lines, and other well service
cementing and stimulation applications.
Production and flushing lines
High Pressure
Compact and simple to operate, union end connection is convenient for installation.
Set at the customer specified relief pressure and is fully tested
The butterfly spring inside can realize opening/closing of valves, therefore safety valves can protect people and equipment without shutting down relevant equipment. They are more reliable than shear type safety valves.
1) How can I place an order?
A: You can contact us by email about your order details, or place an order online.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are used.
3) What's the order procedure?
A: First we discuss order details and production details by email or TM. Then we issue you a PI for your confirmation. You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
4)How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit them to our customer or replace them in the next shipment.
5)How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into the next step production procedure.
Suppliers with verified business licenses
Audited Supplier 
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