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Spring Reset Relief Valve for Mud Pumps - Reliable China Suppliers & Factory Solution for Oilfield Industry
Product Specifications
| Product model | MTRRV5K |
| Application | Provides overpressure protection at the discharge end of drilling mud pumps. |
| Valve type | Spring Reset Type Relief Valve |
| Working pressures | 5000 PSI (35MPa) |
| Temperature rating | -20°C to 120°C |
| Valve Body material | 35CrMo |
| Material of piston rubber and Cushion pad | Nitrile Rubber (NBR) |
| Service life | 5,000–10,000 hours under normal operating conditions |
| Standard | Produced under API Q1 / ISO 9001 quality management system |
| Applicable Fluids | Designed to operate with both water-based, oil-based and highly corrosive drilling fluids commonly used in oilfield drilling operations |
| Third party witness and inspection report available | Bureau Veritas (BV), CCS, ABS, SJS etc. |
Product Features
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The valve body is made from high-strength 35CrMo steel, offering reliable pressure resistance and long service life of up to 10,000 hours under standard drilling conditions.
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Fully compatible with all Chinese mud pumps and overseas mud pumps, including BOMCO, LSNOV, HONGHUA, RONGSHENG, EMSCO, Southwest, Wirth and other American models. Connection types such as union, flange, or custom threaded ends can be specified for seamless replacement in international drilling field.
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Patented technology with independent intellectual property rights, developed to eliminate long-standing dependence on expensive imported relief valves. Proven performance in China's oilfields with over 9,000 hours of complicated field operation.
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Designed for ease of maintenance: The bonnet, spring, and internal seals can be replaced on-site without removing the valve body, minimizing downtime and reducing maintenance cost.
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Manufactured under strict quality control, in full compliance with API Q1 and ISO 9001 management systems, ensuring consistent quality and traceability.
OEM Equivalent / Compatible Product Part Numbers
Contact for more details about the Reset Relief valves which used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV and other American pumps.
All product names, trademarks, and part numbers are used for identification purposes only and are the property of their respective owners. We are an authorized and recognized supplier. If you are looking for specific mud pump safety valve part numbers, please contact our sales team for detailed references or technical support.
Product Details
Frequently Asked Questions (FAQ)
Q
What is the working pressure rating of the MTRRV5K Spring Reset Relief Valve?
The MTRRV5K is rated for a maximum working pressure of 5,000 PSI (35 MPa), making it suitable for high-pressure mud pump discharge line protection in demanding oilfield drilling operations.
Q
Which mud pump brands is the MTRRV5K compatible with?
The MTRRV5K is fully compatible with a wide range of mud pumps, including Chinese brands such as BOMCO, LSNOV, HONGHUA, and RONGSHENG, as well as international models like EMSCO, Southwest, and Wirth. Custom connection types (union, flange, or threaded) are available upon request.
Q
What types of drilling fluids is this relief valve suitable for?
The MTRRV5K is designed to handle water-based, oil-based, and highly corrosive drilling fluids commonly used in oilfield operations. Its NBR rubber seals ensure reliable sealing performance across these fluid types.
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How long is the expected service life of the MTRRV5K?
Under normal operating conditions, the MTRRV5K offers a service life of 5,000 to 10,000 hours. Field tests in China's oilfields have demonstrated over 9,000 hours of reliable performance under complex drilling conditions.
Q
Can the MTRRV5K be maintained on-site without removing the valve body?
Yes. The MTRRV5K is engineered for on-site maintenance convenience. The bonnet, spring, and internal seals can all be replaced without removing the valve body from the pipeline, significantly reducing downtime and overall maintenance costs.
Q
What quality certifications does the MTRRV5K comply with?
The MTRRV5K is manufactured in full compliance with API Q1 and ISO 9001 quality management systems. Third-party inspection and witness reports are available from recognized bodies including Bureau Veritas (BV), CCS, ABS, and SJS.



