Products Description
Inlet & Outlet One-Way Check Valve Kit | Pressure Washer & Cleaning Machine Pump Valve Set
Forged Brass Directional Flow Control Assembly featuring Spring-Loaded Poppet Architecture and Precision-Ground Conical Seats for High-Pressure Positive-Displacement Pumps.
Cleaning machine pump Inlet and outlet one-way valve
The inlet and outlet one-way check valve kit constitutes the critical directional-flow control subsystem engineered for the rhythmic fluid management of reciprocating pressure-washer and industrial cleaning-machine pumps. This matched pair-a larger-diameter suction valve and a smaller-diameter discharge valve-employs a spring-loaded poppet mechanism with precision-ground conical seating faces. During the pump's suction stroke, the inlet valve opens to admit water into the cylinder while the outlet valve remains firmly seated against high-pressure manifold backflow; during the compression stroke, the roles reverse, with the inlet valve sealing against suction-side reflux and the outlet valve opening to deliver pressurized fluid to the discharge manifold. This synchronized binary operation is the fundamental mechanism that converts crankcase rotational energy into the high-pressure fluid output powering professional cleaning, surface-preparation, and hydro-jetting applications.
Technical Profiles & Materials
Stainless Steel Spring & Poppet Assembly: The compression spring and poppet core are fabricated from 304-grade stainless steel, providing exceptional fatigue resistance under the millions of opening-and-closing cycles per operating hour inherent in high-RPM direct-drive and belt-driven pump configurations, as well as complete immunity to the rust and pitting corrosion that degrades carbon-steel internal components.
Differential-Size Inlet-Outlet Pairing: The larger-bore suction valve minimizes inlet flow restriction during the rapid-fill suction stroke, preventing the cavitation that erodes pump components, while the smaller-bore discharge valve optimizes the pressure-sealing contact area for the higher downstream pressures, balancing flow capacity against the mechanical load on the valve spring and seat.
Technical Specifications
| ITEM | DETAILS |
| Type | Inlet & Outlet One-Way Check Valve Kit (Matched Pair) |
| Application | Pressure Washer / Cleaning Machine / Positive-Displacement Pump |
| Code | 1501240 |
| Material | C36000 Forged Brass Body / SS304 Spring & Poppet / NBR-Viton Seals |
| Details explanation | Inlet: Vacuum to 0.5 MPa / Outlet: Up to 15+ MPa |
| Brand Name | SeaSummer |
| Operating Temp | 0°C to +60°C |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Pressure Washer Pump Volumetric-Efficiency Restoration
Serves as the critical directional-flow control consumable for professional pressure-washer repair centers addressing the progressive pressure-loss and flow-pulsation symptoms caused by worn, pitted, or debris-damaged check valves. Failed poppet-to-seat sealing allows high-pressure fluid to leak backward into the suction manifold during the compression stroke-a fault that this matched replacement kit resolves.
Multi-Plunger Pump Cylinder-Head Overhaul
Ideally suited for the complete suction-and-discharge valve replacement recommended whenever the cylinder head is removed for piston-seal or plunger service. Since all check valves within a multi-plunger pump share the same service hours and water-chemistry exposure, replacing the full set as a preventive measure during any cylinder-head service eliminates the diagnostic chase and serial downtime of addressing individual valve failures one at a time as they sequentially reach end-of-life.
Industrial Cleaning Fleet Service Standardization
An essential pump-overhaul consumable set for commercial pressure-washer rental operations, industrial cleaning contractors, and car-wash equipment distributors managing fleets of positive-displacement cleaning-machine pumps. The matched inlet-outlet format and standardized forged-brass construction provide a single-part-number solution for cylinder-head valve service, simplifying spare-parts inventory, standardizing the rebuild process across different pump models,.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
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BACKED BY 200+ TRUSTED FACTORY PARTNERS
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FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
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