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Our sanitary check valves are designed to provide reliable backflow prevention, hygienic safety, and long-lasting durability for a wide range of fluid transfer and process control systems. Manufactured with high-quality stainless steel, these valves ensure excellent corrosion resistance, high pressure tolerance, and hygienic performance, making them ideal for food & beverage, dairy, pharmaceuticals, biotechnologies, water treatment, and chemical processing.
We supply a complete range of non-return swing wafer check valves to meet different pipeline requirements:
In-Line Vertical Check Valve - Ensures automatic backflow prevention by allowing media to flow in only one direction.
Swing Wafer Design - Compact and lightweight construction with minimal pressure drop for efficient operation.
Sanitary Construction - Smooth, crevice-free surfaces prevent residue buildup and contamination, maintaining hygienic integrity.
The stainless steel sanitary swing check valve operates automatically: when fluid flows forward, the disc swings open, allowing passage; when flow reverses, the disc closes immediately, preventing backflow. Its wafer-type design makes it easy to install between flanges, while the vertical in-line configuration ensures stable and leak-free operation in hygienic systems.
Size range: DN15 - DN150 (1/2" - 6")
Connection types: Wafer, Tri-Clamp, Welded, Flanged (DIN, ISO, SMS, 3A standards)
Working pressure: Up to 10 bar
Working temperature: -20°C ~ 200°C
Surface finish: Mirror polished inside & outside, Ra ≤ 0.8μm
Installation: Vertical in-line pipelines
Applicable media: Food, beverages, dairy, biopharma, pure water, chemicals
OEM customization available for specific project requirements
ISO 9001, FDA, 3A, SGS approved materials for international compliance
Automatic, leak-free hygienic sealing to ensure system safety
Fast delivery (7-10 days for urgent requirements)
20+ years of exporting experience for reliable and hassle-free cooperation
| Spring-Loaded/ Vertical Check Valve | Y-Type Check Valve | Wafer Type Check Valve | Ball-Type Check Valve | |
| Specifications/ Sizes | ½″-4″; up to 10 bar; -20 °C to +120 °C. | 1″-4″; up to 10 bar. | 1″-4″; compact wafer profile. | ½″-2″; up to 10 bar. |
| Working Principles | Spring holds disc closed; opens with flow. | Disc opens forward, shuts reverse. | Wafer disc opens/closes with flow. | Flow lifts ball; reverse flow seals. |
| Key Features | Compact, spring-assisted closure. | Self-draining, CIP compatible. | Lightweight, easy install. | Simple, clog-resistant. |
| Suitable Application | Food, beverage, pharma backflow prevention. | Hygienic lines needing clean flow. | Compact skid/process lines. | Viscous/particulate fluids (sauces, creams). |
Hygienic Design
This check valve is designed with crevice-free internal surfaces and a swing-type disc mechanism, ensuring sanitary flow control and preventing contamination in hygienic pipelines.
One-Way Flow Control
The valve allows fluid to flow in only one direction, automatically preventing backflow and protecting pumps, tanks, and pipeline systems from pressure surges or reverse liquid movement.
Wafer-Type Compact Structure
Its slim wafer design minimizes installation space while ensuring tight sealing and reliable performance, making it suitable for vertical and horizontal pipelines.
Easy Maintenance
With a simple swing disc construction, the valve provides fast disassembly and cleaning, fully supporting CIP/SIP processes without creating dead zones.
Durability & Stability
Built with robust stainless steel housing, it delivers excellent corrosion resistance and maintains stable performance under varying pressures and temperatures.
Wide Industry Applications
Ideal for food, beverage, dairy, pharmaceutical, and chemical processing, ensuring safe and efficient fluid transport across sanitary production environments.
Feature |
Advantage | Benefit |
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| Production Lines | Stainless steel sanitary pipe fittings' line, machining line, sanitary manhole line, | |
| Product Range | Sanitary butterfly Valve, sanitary diaphragm valve, sanitary pipe fittings, union, ferrule, sight glass, manhole cover, safety valve, sampling valve... | |
| Year Established | 2007 | |
| Factory Size in Square Meters | 5000M2 | |
| NO. OF TOTAL STAFF | 130 | |
| Production Capital | 8 000 000 USD | |
| Detail capacity | Manhole covers | 12000nos |
| Pipe fittings | 150000nos | |
| Ferrules, unions, connectors | 200000nos | |
| Diaphragm valves | 15000nos | |
| Butterfly valves | 20000nos | |
| Investment in Manufacturing Equipment | 750000USD | |
| Details of equipment | For machining parts 29 nos of LG Mazak CNC Machines 4 nos of local CNC machines 2 nos of automatic CNC center 12 nos of plain lathe For pipe fittings 4 nos of press 3 nos of cutting machine 3 nos of chamfering machine We also have the following quipments 4 nos of polishing machine 12 nos of grinding machine 3 nos of laser marking machine 3 nos of pressure testing machine 1 nos of temperature testing machine 3 nos of spectro instrument 1 nos of surface roughness device |
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| Primary Competitive Advantages | Strict inspection, honest business way, fast revert on order problem | |
| Stocked materials | Big quantity for raw forging of butterfly valve, diaphragm valve, ferrule, union, adapters, pipe fittings, clamps, sight glass, safety valve, manhole cover, | |
| OEM Services Provided | Yes | |
| Design Service Offered | Yes | |
| Sales Volume | 6 000 000 USD | |
| Export Percentage | 80% | |
| MAIN MARKET | USA, Germany, Hungary, Canada, Thailand, Holland, England, South Africa, Indonesia, Saudi, India, New Zealand, Australia, Middle East... | |
| Own Brand Name | JoNeng | |
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