/ Frac Pump Plungers
Premium Flame Spray Coated Plungers | Compatible with SPM® & FMC® Fluid Ends
Premium Flame Spray Coated Plungers are offered for selected SPM® and FMC® fluid-end configurations. Confirm pump model, dimensions, drawing or sample and service conditions before quotation.
Technical Specifications
- Coating Material: Nickel-Based Alloy (Ni-Cr-B-Si)
- Surface Hardness: 58 - 62 HRC
- Surface Finish: Ra 2 - 4 µin (Mirror Polish)
- Core Material: AISI 1045 / 4140 Carbon Steel
- Porosity: Near Zero (after fusing)
- Available Sizes: 4.0
- Compatible Pumps: SPM®, Gardner Denver®, FMC®, MSI®
- Manufacturing Process: Flame Spray & Fuse (Thermal Spray)
Applications
- Compatible Pumps: SPM®, Gardner Denver®, FMC®, MSI®
Premium Flame Spray Coated Plungers | Compatible with SPM® & FMC® Fluid Ends
1. Premium Flame Spray Coated Plungers for Defined Fluid-End Configurations
These plungers are offered for selected SPM® and FMC® fluid-end references in 4.0″, 4.5″ and 5.0″ sizes. Material, coating process, dimensions and surface finish are reviewed against the exact pump reference before quotation.
2. Compatibility and Configuration Review
Compatibility is reviewed against the exact pump model, connection dimensions, drawing or sample and service conditions before quotation.
Reference families may include SPM® (Weir) and FMC® (TechnipFMC); confirm the specific model and fit details for each request.
3. Spray & Fuse Coating Process
Flame Spray & Fuse (Thermal Spray) can be specified for selected plunger designs. Coating material, substrate, process requirements and acceptance criteria are reviewed against the product record and customer requirements.
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Application: Alloy material is applied to the prepared steel core according to the selected design.
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Review: Surface condition, dimensions and documentation are confirmed for the selected part and order.
4. Comprehensive Technical Specifications
| Technical Parameter | Specification | Notes |
| Coating Type | Flame Spray & Fuse (Hardfacing) | Confirm against selected product record |
| Material Chemistry | Nickel-Based Alloy (Colmonoy® 6 Equiv) | Confirm media compatibility |
| Surface Hardness | 58 – 62 HRC | Review service conditions |
| Surface Finish | Ra 2 – 4 µin (Mirror Polish) | Finish confirmed against selected product record |
| Core Material | AISI 1045 or 4140 Carbon Steel | Core material to be confirmed |
| Concentricity | < 0.002″ TIR | Dimension and fit review required |
| Sizes Available | 4.00″, 4.50″, 5.00″ | Available sizes to be confirmed |
| Availability | Lead time confirmed by quotation | Faster than OEM lead times |
5. Service Considerations
Material selection, surface finish, dimensions and service conditions should be reviewed together for acidizing, fracturing or other fluid-end applications. Confirm media, temperature, pressure and packing requirements for the selected part.
6. Quality and Documentation
Inspection and supporting documentation can be defined by product and order requirements. Confirm hardness, dimensions, surface condition and any required reports with technical sales.
7. Request a Configuration Review
Send the part reference, drawing or sample details, pump model, dimensions and service conditions so the selected plunger configuration can be reviewed before quotation.
SPM® and FMC® are registered trademarks of their respective owners. Royal Way is an independent manufacturer and is not affiliated with these brands.