Overview
The OEM One-Way Silicone Valve for Condiment Valves is a food-grade, low-drip check valve engineered for reliable one-way dispensing of viscous sauces (ketchup, mustard, mayo, dressings) in squeeze bottles, pump nozzles and tabletop dispensers. Molded from FDA/LFGB-capable silicone or LSR and finished with precision seat geometry, these valves deliver consistent flow, fast reseal, chemical resistance and long cycle life. We provide end-to-end OEM services — DFM, tooling, pilot validation, automated molding, functional testing and hygienic packaging — to match your product and regulatory needs.
Basic Information
| Attribute | Details |
|---|---|
| Material | Food-grade Liquid Silicone Rubber (LSR) or VMQ silicone (FDA / LFGB options) |
| Place of Origin | Xiamen, China |
| Brand Name | OEM / White Label |
| Manufacturing Method | Automated LSR injection molding (hot-runner) or compression molding for specific designs |
| Typical Size | Custom — ID 4–20 mm common; fully customizable OD, height, skirt/lip geometry |
| Hardness (Shore A) | 10–40 (tuned to viscosity & opening pressure) |
| Tensile / Elongation | Tensile ≥ 7 MPa; Elongation ≥ 300% (compound dependent) |
| Temperature Range | –40 °C to +200 °C (compound dependent) |
| Chemical Resistance | Resists acids, oils, salts, preservatives and common cleaning agents |
| Leak / Back-pressure Rating | Engineered to meet customer spec (typical validation to 30–50 kPa back-pressure) |
| Cycle Life | >100k actuations typical; higher lifetimes available with optimized compounds/design |
| Packaging | OPP bag, vacuum tray, blister pack, taped reels, or custom retail packaging |
| Marking | Mold embossing, pad print or laser marking where applicable |
| OEM Services | DFM, mold build, quick-turn samples, pilot runs, overmolding/insert assembly, test reports |
| MOQ / Samples | Small pilot runs accepted; production scalable. Samples available on request |
| Applications | Ketchup / condiment squeeze bottles, pump nozzles, single-serve dispensers, beverage nozzles |
Key Benefits
- Drip-Free One-Way Sealing — precision seat and membrane geometry minimize after-drip and prevent backflow.
- Tuned for Viscous Media — membrane thickness and shore optimized for ketchup-style viscosities to control dispense rate and dose.
- Food-Safe & Low-Migration — food-grade compounds certified for direct food contact to prevent taste/odor transfer.
- Fast Elastic Recovery — low-hysteresis LSR returns quickly for repeatable dosing cycles.
- Design Flexibility — multiple flange, snap-rib or overmold mounting options for tool-free assembly.
- Scalable Clean Production — automated molding, robotic handling and hygienic packing reduce contamination risk.
Quality Assurance
Our valves are produced under ISO 9001 procedures with food-contact controls and traceability. Incoming compounds are lot-verified; molds and process parameters are validated before runs. Production uses closed-loop monitoring (shot weight, mold temp, metering accuracy) and 100% visual or AOI inspection for flash and defects. Representative samples undergo CMM dimensional checks, durometer hardness, tensile/elongation testing, compression-set, and automated functional verification including bubble/back-pressure leak tests, viscous-media dispense trials (ketchup simulants), and long-term cycle testing. Material declarations, migration/extractables data and full lot traceability are available on request.
Manufacturing & Process Highlights
- Design for Manufacturability — collaborative DFM to set opening pressure, flow rate and sealing interface for your dispenser.
- In-House Tooling — CAD/CAM molds machined with 5-axis CNC, sinker & wire EDM, precision polishing for tight cavity tolerances.
- Automated LSR Injection / Compression — two-component metering, hot-runner LSR systems or compression presses for low-flash, repeatable parts.
- Post-Cure & Conditioning — controlled ovens to stabilize mechanical properties and crosslink density.
- Secondary Ops & Assembly — ultrasonic/laser trimming, optional 2K overmolding of rigid mounting features, robotic subassembly into caps or housings.
- Functional Test Rigs — automated back-pressure, burst, and cycle rigs plus vision inspection tailored for viscous-fluid simulation.
Why Partner With Us?
- Food-Grade Elastomer Expertise — decades of experience selecting LSR/VMQ compounds for low-migration, odorless performance.
- End-to-End OEM Capability — single-source from DFM and tooling to validated production and hygienic packaging.
- Application-Driven Tuning — we optimize geometry, shore and slit/seat design to meet your dispense and anti-drip targets.
- Fast Prototyping & Scale-Up — quick sample lead times and smooth ramp to high-volume automated production.
- Regulatory & Documentation Support — FDA/LFGB material options, test reports and full lot traceability for audits.
Factory Show
Our production campus combines precision toolmaking and hygienic elastomer molding: 5-axis CNC, mirror EDM, precision grinding, automated LSR injection cells, compression presses, thermal post-cure ovens, robotic trimming and clean packing zones. Inspection assets include ZEISS CMM, AOI vision systems, durometers, tensile frames, and dedicated leak/cycle rigs for viscous fluid validation. Managed under ISO 9001 workflows, our engineering and QA teams deliver fast prototypes and consistent, certified mass production tailored for food-contact dispensing valves.
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