LUOYANG DATANG ENERGY TECH CO.,LTD

Check Valves
Check Valve Manufacturer & Supplier in China
Reliable check valves for water, oil & gas, fire protection and industrial applications.
Direct factory supply with OEM customization, competitive pricing and global export experience.
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check valve manufacturer supplying industrial swing wafer and dual plate valves
Industrial Check Valve Solutions
DATANG provides a complete range of industrial check valves designed for reliable flow control and backflow prevention.
Our check valves are widely used in:
- Water Treatment Systems
- Oil & Gas Pipelines
- Fire Protection Systems
- Chemical Processing
- Industrial Piping Applications
Swing Check Valve
Suitable for:
- Water pipeline
- Industrial systems
- Large diameter applications
Features:
- Low pressure loss
- Reliable sealing
- Long service life
Wafer Check Valve
Suitable for:
- Compact piping systems
- HVAC
- Industrial applications
Features:
- Lightweight design
- Easy installation
- Cost-effective
Dual Plate Check Valve
Features:
- Fast closing
- Reduced water hammer
- High efficiency

industrial check valve product range including swing wafer and dual plate check valves
Check Valve Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Type | Swing Check / Wafer Check / Dual‑Plate Check |
| Size Range | DN15 – DN600 |
| Pressure Rating | PN10 / PN16 / PN25, Class 150 / Class 300 |
| Body Material | Cast Iron, Carbon Steel, Stainless Steel (selection based on media corrosiveness and temperature) |
| Connection Type | Flanged, Wafer (wafer type for compact spaces; flanged for heavy‑duty or frequent maintenance) |
| Design Standard | API, DIN, ANSI, BS (customer‑specified standard applicable) |
| Application | Water, Oil, Gas, Fire Protection Systems |
Applications
- Water Treatment:Reliable backflow prevention solutions.
- Fire Protection System:Safety valves for sprinkler and fire systems.
- Industrial Pipeline:Durable valves for demanding environments.

industrial check valve applications in water oil gas fire protection systems
Why Choose DATANG Check Valves?
1. Professional Valve Manufacturing
With years of experience in valve production, DATANG supplies industrial valves to global distributors, contractors and engineering companies.
2. Strict Quality Control
Every check valve undergoes inspection before shipment.
Quality process includes:
- ✓ Material inspection
- ✓ Pressure testing
- ✓ Leakage testing
- ✓ Dimension inspection
3. OEM Manufacturing Capability
Need customized valves?
We provide:
- Customized materials
- Logo marking
- Special dimensions
- Packaging solutions
4. Global Export Service
Supporting customers worldwide with:
- Technical documents
- Product certificates
- Export packaging
- Professional communication

check valve manufacturing factory with pressure testing and quality inspection
Frequently Asked Questions
Q1: Are you a check valve manufacturer or trading company?
A: We are a professional valve manufacturer in China, supplying industrial valves directly to global customers.
Q2: Can you provide OEM service?
A: Yes. We support customized specifications, logo marking and packaging requirements.
Q3: What is your MOQ?
A: MOQ depends on valve type and specifications. Contact us for detailed quotation.
Q4: Can you provide technical documents?
A: Yes. We can provide drawings, datasheets, inspection reports and certificates.

Cast Iron Swing Check Valve | Flanged Non Return Valve DN50-DN600 | PN10/PN16 | BS EN 12334

Spring Loaded Silent Check Valve | NPT Threaded Non Return Valve | Vertical Installation | CE Certified

Stainless Steel Swing & Lift Check Valve | 304/316L | Threaded Non Return Valve | 1/2″-12″ | CE Certified

Wafer Dual Plate Check Valve | Duplex Stainless Steel F51/F53 | API 594 | 150LB | Seawater & Chemical Resistant

UL/FM Fire Alarm Check Valve | Ductile Iron Body | Fire Sprinkler System | DN50-DN300 | CE Certified

