Eliminate reverse flow damage, reduce downtime, and secure your fluid handling operations with precision-engineered horizontal check valves built for long service life.
Get Free Quote in 24h →Every minute of unplanned downtime in your process line costs an average of $22,000 in lost production, according to a 2024 industry benchmark study. Yet many facilities still rely on outdated or undersized check valves that fail silently – until catastrophic backflow damages pumps, contaminates media, or shuts down an entire skid.
If any of these pain points sound familiar, your current backflow solution is costing you more than the valve itself.
Ningjin Thriveon Valve Co., Ltd. delivers a complete range of horizontal check valves designed specifically for demanding industrial applications. Whether you need a wafer-style dual-plate check valve for compact spaces or a flanged swing check valve for high-flow pipelines, our engineering team ensures every unit meets your exact flow, pressure, and media requirements.
Our manufacturing base in Ningjin County, Hebei, covers 12,000 m² with automated casting, precision machining, and robotic testing lines. Every valve is hydrostatically tested at 1.5× rated pressure before shipment – no exceptions.
Need a custom face-to-face dimension, special trim material, or unique coating? Our R&D team has delivered 200+ custom valve designs for clients in the US, Saudi Arabia, South Africa, and Italy. Send us your drawing or P&ID, and we'll engineer the solution.
Standard sizes ship in 15–25 days from order confirmation. Express production (7–10 days) available for emergency projects. We hold a $1.5M+ inventory of raw materials and semi-finished castings to compress your lead time.
Our senior engineers average 14 years in valve design and application engineering. From cryogenic services to high-pressure steam, we provide technical data sheets, flow curves, and installation recommendations tailored to your system.
All pressure-retaining parts are traceable to mill test reports. We comply with NACE MR0175 / MR0103 for sour service and offer full PMI (Positive Material Identification) documentation on request.
By controlling the entire supply chain – from casting to assembly – we offer prices 15–25% below equivalent European and American brands, while maintaining ISO 9001:2015 certified quality.
| Parameter | Available Options |
|---|---|
| Type | Wafer dual-plate, flanged swing, tilting disc, silent/no-slam, spring-loaded lift |
| Size Range | DN40 – DN1200 (1.5″ – 48″) |
| Pressure Class | PN10 – PN250 / Class 150 – Class 2500 |
| Body Materials | WCB, WCC, CF8, CF8M, CF3M, Duplex SS, Super Duplex, Hastelloy, Monel |
| Trim Materials | 13Cr, F304, F316, F51, F53, Stellite-faced seat, Nitrile, Viton, PTFE |
| End Connections | Flanged (ASME B16.5, EN 1092-1), Wafer (API 594), Butt-weld, Threaded |
| Operation | Automatic (spring-assisted or gravity-closing) |
| Standards | API 594, API 6D, ASME B16.34, BS 1868, ISO 17292 |
| Testing | API 598, ISO 5208, Shell & seat test 1.5× / 1.1× rated pressure |
| Certifications | ISO 9001:2015, CE/PED, ATEX, SIL 2 capability, CRN (Canada) |
All valves are suitable for horizontal installation unless otherwise specified. Custom trim and materials available per your process conditions.
A horizontal check valve is designed for installation in horizontal piping runs, using gravity or a spring to close the disc when flow stops or reverses. Vertical check valves rely on spring force to close and are installed in vertical lines. Selecting the wrong orientation can cause premature wear or failure. Our engineering team can confirm the correct type for your piping layout.
Yes. We offer both wafer (dual-plate) and flanged (swing or lift) designs in sizes DN40–DN1200. Wafer types are lighter and more compact, while flanged types provide easier maintenance access. We recommend based on your pressure class and space constraints.
For standard material and trim, MOQ is 1 piece. For custom alloys or special end connections, MOQ is 5–10 pieces depending on complexity. We also offer sample orders for qualification at cost, refundable against bulk orders.
Absolutely. Every valve model comes with a complete technical data sheet including Cv values, weight, dimensions, pressure-temperature ratings, and installation recommendations. We also provide 3D step files upon request for integration into your piping model.
We ship via FOB Tianjin or CIF to any US port (Houston, Long Beach, Newark). For time-critical orders, we offer air freight (5–7 days) or express sea freight (12–15 days). We handle all export documentation, including CO, B/L, and NAFTA/USMCA certificates if applicable.

Standard terms are T/T (30% deposit, 70% before shipment) or L/C at sight. For established customers and repeat orders, we can discuss open account terms up to $100,000 subject to credit approval. We also accept PayPal for sample orders.
Every horizontal check valve carries a 24-month warranty against defects in materials and workmanship. Our after-sales team responds to technical queries within 4 hours (business days) and can arrange on-site or remote troubleshooting. Spare parts are available for all models.
Yes – we maintain a list of reference installations across the US, including municipal water districts, chemical plants, and commercial HVAC projects. We share contact details (with permission) so you can verify our quality and delivery firsthand.

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"We switched to Thriveon's horizontal check valves after repeated failures on our boiler feed lines. The quality is consistent, and the price point allowed us to reallocate budget to other critical spares. Highly recommended."

"I've been sourcing valves from China for 15 years. Thriveon stands out for their engineering support – they actually read the P&ID and asked the right questions before quoting. That saved us a costly mistake."

"The dual-plate check valves we ordered were installed in a hurry to fix a line shutdown. They arrived ahead of schedule and worked perfectly. Fast, reliable, and professional."

"Thriveon's horizontal check valves are now standard on our pump packages. The consistent quality, on-time delivery, and responsive support make them a trusted partner."

"We needed a special alloy check valve for a corrosive media application. Thriveon's engineers recommended a duplex stainless steel trim that extended our service life from 8 months to over 3 years."
Stop risking production downtime and media contamination. Partner with a valve manufacturer that combines engineering depth, quality assurance, and supply chain speed – all at a price that strengthens your bottom line.
Or call us: +86-311-86935302 | Email: info@thriveonvalve.com
Free samples available for qualified projects. Ask about our express delivery program and 24-month warranty.
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Call us on:
+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China
Trusted by Global Industry Leaders
"Ordered 120 dual-plate check valves for a Texas water treatment expansion. All arrived on spec, on time, and passed hydrotest with zero issues. Will repeat order for Phase 2."
– Michael T., Senior Project Engineer, US Municipal Utility
"Thriveon's horizontal check valves saved us 22% compared to our previous European supplier, with faster delivery. The technical documentation was complete and audit-ready."
– Ahmed R., Procurement Manager, Oil & Gas, Saudi Arabia
"We needed custom duplex stainless steel check valves for a desalination plant in South Africa. Thriveon engineered, manufactured, and delivered in 18 days. Exceptional service."
– Pieter v., Operations Director, Water Treatment, South Africa