Mud Pump Piston Rod — High-Strength Alloy Steel Rod for Fluid End
API 7K Mud Pump Piston Rod for Fluid End — High-Strength Alloy Steel
Product Overview
The Piston Rod is one of the most critical core components of a mud pump's fluid end. Its primary function is to convert rotating motion into linear reciprocating motion, transmitting force to the piston to pump drilling fluid into the wellbore.
Manufactured from high-quality alloy steel, our piston rods are precision machined and surface-hardened to achieve high strength, high hardness, and excellent fatigue resistance. These characteristics allow the rod to maintain strict geometric accuracy and mechanical properties even under extreme high pressure, high temperature, and abrasive corrosive media.
Key Benefits
- High-Strength Alloy Steel: Precision machined for high strength, high hardness, and excellent fatigue resistance.
- Advanced Surface Hardening: Available with Chrome plating, carburizing, or nitriding to significantly enhance wear and corrosion resistance.
- Integrated Lubrication Channels (Optional): Innovative internal oil circuits provide automatic lubrication, reducing friction loss and extending service life.
- Strict Geometric Accuracy: Guarantees straightness and neutrality, ensuring even piston movement and minimizing cylinder wear risk.
- Full OEM Interchangeability: Exact dimensional match for all major mud pump brands, allowing direct drop-in replacement.
Wide Compatibility — Fits Major Mud Pump Brands:
If your pump model is not listed, please contact us with your part number for confirmation.
| Brand | Compatible Models |
|---|---|
| BOMCO / EMSCO | F-500, F-800, F-1000, F-1300, F-1600, F-2200, FB-1300, FB-1600 |
| National | 7-P-50, 8-P-80, 9-P-100, 10-P-130, 12-P-160, 14-P-220, K-500, K-700 |
| Gardner Denver | PZ-7, PZ-8, PZ-9, PZ-10, PZ-11, FK-FXK, FY-FXD |
| Oilwell | A-560/600-PT, A-850-PT, A-1100-PT, A-1400-PT, A-1700-PT |
| IDECO | T-500, T-800, T-1000, T-1300, T-1600 |
| Hong Hua | HHF-500, HHF-800, HHF-1000, HHF-1300, HHF-1600, 3NB1300F |
| LS National | 3NB-500C, 3NB-1000C, 3NB-1300C, 3NB-1600 |
Product Specifications
| Material | High-Quality Alloy Steel |
| Standard | API 7K / ISO 9001 |
| Surface Treatment | Chrome Plating / Carburizing / Nitriding (Optional) |
| Application | Oil Drilling Mud Pump Fluid End |
| MOQ | 1 Piece (Sample order acceptable) |
| Supply Ability | 5,000 Pieces / Month |
| Delivery Time | 7-15 Work Days |
| Payment Terms | T/T, Western Union, L/C |
Quality Assurance & Packaging
- Test Report: Provided (Material Test Report & Dimension Inspection Report).
- Video Inspection: Provided (on request) to ensure full transparency.
- Warranty: 1 Year standard warranty.
- After-Sales Service: Free spare parts replacement for quality issues / 24/7 technical support.
- Packaging Details: Wooden Carton / Plywood Case (Suitable for global shipping).
Why Choose Petrolik?
- Strict Quality Control: Manufactured strictly according to API 7K standard and ISO 9001 quality system.
- OEM Quality Level: Reaches the strict requirement of OEM product quality and can perfectly replace OEM parts in the same industry.
- Advanced Surface Treatment: Chrome plating, carburizing, or nitriding available for enhanced wear and corrosion resistance.
- Massive Compatibility: Parts available for BOMCO/EMSCO, National, Gardner Denver, Oilwell, IDECO, Hong Hua, LS National, and more.
- Fast Technical & Quotation Response: Our engineering team responds to technical inquiries and provides detailed quotations within 24 business hours.
Frequently Asked Questions (FAQ)
Q1: What is the function of a mud pump piston rod?
A: The piston rod converts rotating motion into linear motion, transmitting force to the piston and causing it to reciprocate inside the cylinder. It is a core component of the mud pump fluid end.
Q2: How do I choose the right surface treatment (Chrome vs. Carburizing/Nitriding)?
A: Chrome plating offers excellent wear resistance and a low friction coefficient. Carburizing or nitriding provides deeper surface hardening for extreme heavy-load or highly abrasive environments. Please contact us with your operating conditions for a recommendation.
Q3: Can you supply piston rods for our specific pump model?
A: Yes. We supply piston rods compatible with Bomco/EMSCO, National, Gardner Denver, Oilwell, IDECO, Hong Hua, LS National, and more. Please send us your pump model and part number to confirm.
Q4: Do you offer piston rods with internal lubrication channels?
A: Yes. Some of our innovative designs integrate lubrication channels inside the piston rod, using an internal oil circuit system for automatic lubrication and reduced friction.
Q5: What is your MOQ and Lead Time?
A: Our MOQ is 1 piece (sample orders are acceptable). Standard delivery time is 7-15 work days depending on order quantity. Please contact us for a precise quote.
Need a Quote for Mud Pump Piston Rods?
Send us your pump model, part number, and quantity. Our team will respond within 24 hours.
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