High-Pressure Frac Pump Packing Set
Product Overview
The High-Pressure Frac Pump Packing Set is engineered for fluid ends operating in heavy-duty oilfield fracturing and cementing environments. Designed to withstand cyclic pressures up to 15,000 psi and abrasive proppant-laden slurries, each set forms a tight dynamic seal between the plunger and the fluid cylinder, preventing fluid bypass and extending fluid end module service life.
Manufactured under ISO 9001 quality management systems using in-house compression molding and CNC trimming equipment, our packing sets maintain strict dimensional tolerances to ensure drop-in compatibility with major triplex and quintuplex pump models.
Key Features
Extrusion Resistance: High-modulus back-up rings prevent seal nibbling and extrusion under rapid pressure surges and high plunger speeds.
Abrasive Wear Tolerance: Specialized elastomer and fabric matrix formulas resist cutting and wear from sand-heavy slurries (ceramic proppants and quartz sand).
Thermal Stability: Compounds maintain resilience and sealing integrity across continuous operating temperatures from -29°C to 121°C (-20°F to 250°F).
Low Friction Coefficient: Surface-treated sealing lips reduce frictional heat generation, lowering plunger scoring risks and extending run times between changeouts.
Interchangeable Design: Drop-in replacement engineered to match OEM internal cavity dimensions without requiring equipment modifications.
Technical Specifications
|
Parameter |
Specification Range |
|
Max Working Pressure |
Up to 15,000 psi (103.4 MPa) |
|
Plunger Diameter Compatibility |
4.0" to 5.5" (Custom sizes available upon engineering drawing) |
|
Operating Temperature |
-29°C to 121°C (-20°F to 250°F) |
|
Compatible Media |
Slickwater, crosslinked gel, acidized fluids, CO2/N2 foams, abrasive proppants |
|
Standard Set Stack Sequence |
Header Ring Female Adapter V-Ring Elements Male Adapter (Refer to technical cross-section diagram below) |
|
Industry Pump Compatibility |
SPM QWS2500/TWS2250, Gardner Denver GD2250, Weifang/SJ Petro pumps |
Applications
Hydraulic Fracturing Operations
Installed in high-pressure quintuplex and triplex frac pumps during multi-stage shale stimulation.
Well Servicing & Cementing
Suitable for high-pressure reciprocating pumps handling abrasive cement slurries and heavy brines.
Equipment Compatibility
Direct fit for standard 3-inch and 4.5-inch stroke fluid end modules used on North American and international conventional/unconventional well sites.
Materials & Configuration
A standard packing set utilizes a multi-component stacked arrangement engineered for progressive sealing:
Header / Base Rings: Fabric-reinforced phenolic or heavy-duty brass/bronze anti-extrusion rings to support high differential loads.
Sealing V-Rings: NBR (Nitrile), HNBR, or FKM (Viton) combined with high-strength cotton or aramid fabric (Kevlar reinforcement) to balance elasticity and abrasion resistance.
Header Adapters: Precision-machined thermoplastic or metallic adapters to evenly distribute gland bolt torque across the stack.
Quality Control & Manufacturing Traceability
Manufacturing follows strict internal quality protocols backed by API specification guidelines and internal traceability standards:
Raw Material Verification: Lot testing of polymer compound hardness (Shore A/D), tensile strength, and elongation before release to production.
Dimensional Inspection: 100% optical and caliper sorting of finished packing rings to verify cross-section thickness, inner diameter, and outer diameter within ±0.1 mm.
Rig Simulation Testing: Sample batches undergo cyclic pressure testing up to rated limits on dedicated hydraulic test rigs to monitor dynamic seal wear and extrusion limits.
Full Lot Traceability: Each packaging batch is laser-marked with a lot number linked directly to Material Test Reports (MTRs) and Certificate of Conformance (CoC).
Customization & OEM Support
Custom Stack Height
Adjust stack configurations to fit non-standard stuffing boxes or worn fluid end bores.
Material Selection
Custom elastomer compounding available for extreme H2S, high CO2, or high-temperature (up to 150°C) downhole chemical exposure.
Private Labeling
Custom laser etching on metal adapter rings and tailored box labeling for distributors and pump manufacturers.
Packaging & Shipping
Packaging: Individual sets shrink-wrapped in anti-corrosion VCI film, separated by partitioned cardboard inserts to prevent deformation during transit. Bulk sets packed in heavy-duty export-grade wooden crates or reinforced corrugated cartons.
Storage Recommendation: Store in a cool, dry environment away from direct sunlight, ozone sources, and extreme temperatures to preserve elastomer shelf life.
Logistics: Flexible air and ocean freight shipping options from major manufacturing hubs with standard export documentation (CO, MTRs, CoC).
Frequently Asked Questions
Q: Are these packing sets fully interchangeable with OEM pump components?
A: Yes. All packing sets are dimensionally engineered to drop directly into standard OEM stuffing boxes for pumps such as SPM and Gardner Denver without altering existing glands or plungers.
Q: Which material should I choose for high-abrasion sand slurry applications?
A: We recommend our aramid-fabric reinforced HNBR sets. The aramid fiber resists cutting from proppant grains significantly better than standard cotton-duck fabric constructions.
Q: What is the typical service life of this packing set in the field?
A: Service life depends on pump speed, fluid viscosity, pressure cycles, and flush water effectiveness. Under standard shale fracturing conditions (10,000+ psi, sand-laden fluid), field operators average between 150 to 250 operating hours per set with proper lubrication and flush maintenance.
Q: Do you supply individual replacement rings or only complete sets?
A: We supply both complete packing sets and individual replacement components (such as V-rings or header rings) upon bulk distributor request.
Q: What is the minimum order quantity (MOQ) for custom-sized packing sets?
A: For standard catalog sizes, MOQ is 10 sets. For custom dimensions requiring dedicated mold tooling, MOQ is evaluated based on cavity design and material specifications.
Q: What documentation is provided with each shipment?
A: Each shipment includes a Certificate of Conformance (CoC), material lot test reports (MTRs), and packing lists detailing box-by-box contents.
Request a Quote
To receive a formal quotation, please provide the following details through our inquiry form or direct email:
Pump Model & Fluid End Type: (e.g., SPM QWS 2500)
Plunger Diameter: (e.g., 4.5 inches)
Operating Pressure & Medium: (e.g., 12,000 psi, slickwater with ceramic proppant)
Required Quantity: (Sets per order / annual estimated consumption)
Target Delivery Port / Destination:
Special Requirements: (Custom material, private labeling, or specific packaging)
Hot Tags: high-pressure frac pump packing set, China high-pressure frac pump packing set suppliers, factory
Previous
No InformationNext
No InformationYou Might Also Like
Send Inquiry