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China 7K Mud Pump Piston Rod - Durable and Reliable Supplier from Leading Factory
Product Specifications
| Application | Drilling mud pump fluid end |
| Working Pressures | 5,000 PSI (35 MPa) | 7,500 PSI (51.7 MPa) |
| Temperature Rating | -29°C to 120°C |
| Material | 42CrMo Equivalent to AISI 4140 |
| Service Life | 150 ~ 350 hours or more, depending on insert materials and drilling conditions |
| Standard | ✅ Conforms to API 7K Standards |
| Design Life | Designed to operate for approximately 12,000 ~ 18,000 hours, equivalent to 2 ~ 3 years under typical drilling conditions, aligned with the replacement cycle of the piston assembly |
| Third-Party Inspection | Bureau Veritas (BV) | CCS | ABS | SJS — Witness & inspection reports available |
Product Features
- 🏭 As a direct source manufacturer in China, MTPM delivers piston rods produced strictly under API 7K certification. Every step of the production process — from raw material selection to machining, heat treatment, and final inspection — is carried out in accordance with original factory standards.
- 🔩 We guarantee dimensional interchangeability and mechanical performance equivalent to OEM components.
- ✅ Our proven track record as a qualified supplier to BOMCO, LS, and Honghua further validates the reliability of our products in demanding drilling environments. We provide manufacturing coverage for nearly all main mud pump models — both domestic and international — enabling clients to consolidate sourcing through a trusted partner.
- 🌍 With competitive lead times and controlled quality assurance, our piston rods offer a dependable solution for global drilling contractors, equipment suppliers, and spare parts distributors.
Our piston rods are engineered for use across a full range of mud pump models applied in oil and gas drilling operations worldwide. They are fully interchangeable with OEM parts, allowing seamless integration into pumps from BOMCO, LS, Honghua, and other Chinese leading manufacturers. By meeting API 7K requirements, our products ensure compatibility with both domestic and international drilling equipment, supporting operators in onshore and offshore environments. Whether used in high-pressure triplex pumps or large-capacity pumps, the rods maintain dependable service life, contributing to stable mud circulation and extended pump operation cycles.
OEM Equivalent / Compatible Product Part Numbers
Our valve body is manufactured in full accordance with original drawings and are directly interchangeable with the following part numbers:
| OEM Brand | Pump Models | Compatible Part Numbers (Metric Size) |
Compatible Part Numbers (Imperial Size) |
| BOMCO | F350 | — | AH44002-05.03 |
| F500 | AH35001-05.18A AH0501010512 |
AH35003-05.06 AH0501020504 |
|
| F800 | AH34001-05.02A AH0801010502 |
AH33001-05.21 AH1001020502 |
|
| F1000 | AH33001-05.21A AH1001010516 |
AH33001-05.21 AH1001020502 |
|
| F1300 / F1600 | AH36001-05.19A AH1301010516 |
AH36002-05.05 AH1301020504 |
|
| F1600L / F1600HL | AH130101-0516 | — | |
| F2200HL | AH2202010507 | — | |
| RONGSHENG | F1000 | RS1036-05-017 | — |
| EMSCO | FB1300 / FB1600 | — | 6316-0094-00 |
| HONGHUA | F1300 / F1600 | GH3161-05.18 | — |
| LS | 3NB1300C / 1600C | 107.11.110.39 | — |
| LSNOV | 10P130 | — | 1290347 |
| 12P160 | — | 1292147 |
📞 Contact us for more details about the piston rod used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV, or if you are looking for specific piston rod part numbers — our sales team is ready to provide detailed references or technical support.
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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.
Frequently Asked Questions (FAQ)
❓
What standard do your mud pump piston rods conform to?
Our piston rods are manufactured and certified in full compliance with API 7K standards, ensuring they meet the rigorous requirements for drilling mud pump fluid end components used in oil and gas operations worldwide.
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Are your piston rods interchangeable with OEM parts from BOMCO, LS, or Honghua?
Yes. Our piston rods are manufactured in full accordance with original OEM drawings and are dimensionally and mechanically interchangeable with parts from BOMCO, LS, Honghua, EMSCO, RONGSHENG, LSNOV, and other major brands. They can be integrated seamlessly without any modification to the pump.
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What is the expected service life of your piston rods?
Under typical drilling conditions, our piston rods deliver a service life of 150 to 350 hours or more per piston assembly replacement cycle. The overall rod body is designed for approximately 12,000 to 18,000 hours (equivalent to 2–3 years of continuous operation), depending on insert materials and site conditions.
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What material is used for the piston rods, and what are the working pressure ratings?
The piston rods are made from 42CrMo alloy steel (equivalent to AISI 4140), which provides excellent toughness and fatigue resistance. They are rated for working pressures of 5,000 PSI (35 MPa) and 7,500 PSI (51.7 MPa), covering a wide range of high-pressure triplex and large-capacity mud pump applications.
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Can third-party inspection and certification reports be provided?
Yes. We support third-party witness inspection and can provide certified reports from internationally recognized bodies including Bureau Veritas (BV), CCS, ABS, and SJS. This ensures full traceability and quality assurance for clients with stringent procurement requirements.
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How do I find the correct piston rod part number for my mud pump model?
You can refer to the OEM Equivalent / Compatible Part Numbers table above to identify the correct part number by brand and pump model. If your pump model or part number is not listed, please contact our sales team directly — we cover nearly all domestic and international mud pump models and can provide specific technical references or custom solutions.