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China MTPM 7K Mud Pump Piston Rod - Reliable Factory Supplier for High Pressure Pumping Systems
📋 Product Specifications
| Application | Drilling mud pump fluid end |
| Working Pressures | 5000 PSI (35 MPa) | 7500 PSI (51.7 MPa) |
| 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 / Design Life | 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 Inspection | 🏅 Bureau Veritas (BV), CCS, ABS, SJS 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 us for more details about the piston rod used for HONGHUA, RG, RONGSHENG, EMSCO, LSNOV.
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 piston rod part numbers, please contact our sales team for detailed references or technical support.
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 piston rod part numbers, please contact our sales team for detailed references or technical support.
❓ Frequently Asked Questions (FAQ)
Q What API standard do your mud pump piston rods conform to?
Our piston rods are manufactured and certified in strict compliance with API 7K standards, covering all stages from raw material selection to final inspection. This ensures they meet the same performance and dimensional requirements as OEM components.
Q Which mud pump brands and models are your piston rods compatible with?
Our piston rods are directly interchangeable with OEM parts for a wide range of brands including BOMCO (F350–F2200HL), RONGSHENG, EMSCO, HONGHUA, LS, and LSNOV. We also cover nearly all mainstream domestic and international mud pump models. Contact our sales team for models not listed above.
Q What is the expected service life of your piston rods?
The piston rod body is designed for approximately 12,000–18,000 operating hours (equivalent to 2–3 years under typical drilling conditions), aligned with the replacement cycle of the piston assembly. The piston rod insert service life typically ranges from 150 to 350+ hours, depending on insert material and drilling conditions.
Q What material is used in the manufacturing of your piston rods?
We use 42CrMo alloy steel, which is equivalent to AISI 4140. This material is selected for its excellent strength, toughness, and fatigue resistance, making it well-suited for high-pressure drilling applications up to 7,500 PSI (51.7 MPa).
Q Can you provide third-party inspection reports for your piston rods?
Yes. We support third-party witness and inspection services through recognized certification bodies including Bureau Veritas (BV), CCS, ABS, SJS, and others upon request. Inspection reports can be provided to meet project-specific or client requirements.
Q How can I find the correct piston rod part number for my mud pump?
You can refer to our OEM Compatible Part Numbers table above, which lists metric and imperial part numbers for major brands. If your pump model or part number is not listed, please contact our sales team with your pump model, brand, and any existing part number references — we will provide the correct match and full technical support.