China Suppliers Factory Direct Replacement API 7K Mud Pump Piston Rod for Reliable Drilling Performance
Product Specifications
| Application | Drilling mud pump fluid end |
| Working pressures | 5000 PSI(35MPa), 7500PSI(51.7MPa) |
| Temperature rating | -29°C to 120°C |
| Material | 42CrMo(equivalent to AISI 4140) |
| Service life | 150 hours ~ 350 hours or more, depending on the insert materials and drilling conditions |
| Standard | Conforms to API 7K standards |
| Applicable Fluids | Designed to operate for approximately 12,000~18,000 hours, equivalent to 2~3 years under typical drilling conditions, and aligned with the replacement cycle of the piston assembly. |
| Third party witness and inspection report available | Bureau Veritas (BV), CCS, ABS, SGS etc. |
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. In addition, 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 for more details about the piston rod which used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV.
Frequently Asked Questions
Q: What standards do MTPM piston rods conform to?
A: MTPM piston rods are produced strictly under API 7K certification. Every step of the production process, from raw material selection to final inspection, conforms to original factory standards to guarantee dimensional interchangeability and mechanical performance equivalent to OEM components.
Q: Which mud pump models are compatible with these piston rods?
A: They are fully interchangeable with OEM parts from major brands, including BOMCO (F350 to F2200HL), RONGSHENG (F1000), EMSCO (FB1300/FB1600), HONGHUA (F1300/F1600), LS (3NB1300C/1600C), and LSNOV (10P130, 12P160).
Q: What is the expected service life of these piston rods?
A: Under typical drilling conditions, the service life ranges from 150 hours to 350 hours or more, depending on the insert materials and specific drilling conditions. They are designed to operate for approximately 12,000 to 18,000 hours (equivalent to 2 to 3 years).
Q: What are the material specifications and working pressure ratings?
A: The piston rods are manufactured from high-grade 42CrMo (equivalent to AISI 4140) material. They are engineered to withstand working pressures of 5000 PSI (35MPa) and 7500 PSI (51.7MPa) within a temperature rating of -29°C to 120°C.
Q: Are third-party inspection reports available for these products?
A: Yes, third-party witness and inspection reports are available from recognized agencies, including Bureau Veritas (BV), CCS, ABS, and SGS.