Flow Control, Zero Compromise
From municipal water to industrial flow systems — total reliability starts here.
From deep wells to pipelines and wastewater treatment, Norite delivers efficiency, durability, and trust in every drop.
- 5-Year Warranty
- ISO 9001 Certified
- 24/7 Support
API Check valve
Prevents Backflow & Ensures System Safety
The check valve allows unidirectional flow only, effectively preventing system damage caused by reverse flow or backpressure surges.
Low Cracking Pressure & Quick Response
Lightweight disc design enables ultra-low opening pressure, suitable for low-pressure or small-flow conditions with fast shut-off.
Reliable Sealing & Long Service Life
Available in metal-to-metal or soft seat sealing, ensuring long-term leak-free operation in various media conditions.
Low Flow Resistance for Energy Efficiency
Full-bore design reduces pressure drop and improves overall system energy efficiency.
Versatile Installation Options
Supports vertical or horizontal mounting with flange or welded ends, adaptable to diverse piping layouts.
Need custom specifications? Our engineers are ready to help.
Call: +86 15090163952 | Email: lisa@noritesolution.com
Proven Results That Drive Your Bottom Line
Real performance data from our Valve installations across critical industries worldwide
100% Pressure Tested
Tested under Class A sealing standard, across 10,000+ units.
20+ Years Lifespan
Proven performance in seawater, wastewater, and high-pressure pipelines.
8,000+ Valves Installed
Including power plants, municipal water systems, and industrial zones.
99.5% On-Time Delivery
Backed by lean production and strict QC.
Certifications & Standards
Technical Specifications
Engineered for optimal performance across a wide range of industrial applications
Model:
Size Range:
H44H,H14H
DN15 – DN600,1/2”-24”
Pressure Rating:
Standards:
API6D,API602
Media:
Max Temperature:
Water, Oil, Gas
Body Material:
Wedge Material:
A216 GR.WCB, Alloy steel, SS304, SS316
A216 GR.WCB, Alloy steel, SS304, SS316
Stem Material:
Sealing:
Stainless steel
Stainless steel
Connection:
Certifications:
Flanged to ASME B16.5,ASME B16.47
API Approved
- Application Conditions
Oil & Gas Industry
Used in oil pipelines, gas transmission lines, and downstream of booster pumps to prevent backflow that could cause safety risks or damage to pumps and compressors. Suitable for high-pressure, high-temperature, and impurity-laden fluids.
Power Generation & Steam Systems
Prevents water hammer and steam backflow in boiler feedwater or steam return systems, protecting boilers, turbines, and heat exchangers from reverse pressure damage.
Chemical & Pharmaceutical Industries
Prevents reverse contamination in pipelines handling corrosive or hazardous chemicals such as acids, alkalis, and solvents in chemical and pharmaceutical plants.
Water & Environmental Systems
Installed in wastewater treatment, reclaimed water systems, or city water supply networks to prevent backflow contamination and ensure clean water delivery.
HVAC & Building Services
Used in HVAC and fire-fighting systems to prevent reverse flow during pump shutdowns, ensuring consistent pressure and protecting system integrity.
- Valve structure diagram
600LB
900LB-1500LB
- Valve size data sheet
150LB
300LB
Testing Process
From raw materials to finished products, NORITE maintains 100% testing coverage, ensuring that every valve and pump you receive is built to last — safe, stable, and globally certified.
Pressure Testing
Each valve undergoes rigorous pressure and hydrostatic testing prior to shipment to verify body strength, sealing integrity, and pressure stability—ensuring zero leakage and long-term reliability in field operation.
Torque and Functional Testing
Confirming operating performance and precision.
Cycle Life Testing
Simulating long-term use under real working conditions.
Coating & Corrosion Resistance Testing
Validating surface protection and durability.
Dimensional & Material Analysis
Using spectrometers and coordinate measuring machines (CMM) for accuracy.
Traceability - Unique product code
Each product leaving our factory is accompanied by a full inspection report and a unique serial number, enabling full traceability and lifetime quality tracking.
Real Project Cases
Proven performance in critical applications worldwide – see our valves in action
A chemical plant project in Morocco
- Morocco
Customer/Owner: Moroccan chemical plant
- Working conditions/Challenges:
This project is for a local chemical plant end customer in Morocco. This is the first timethe customer has cooperated with Chinese supplier and the customer is very satisfiedwith the product quality and service we provide.
- The type of equipment adopted:
We supply stainless steel gate, knife gate, ball, and check valves designed for stable operation in high-temperature environments. For process pipelines operating above 425 °C, the valve structure and sealing materials are specially optimized to ensure reliable performance and long service life under high-temperature and frequent operating conditions.
Key indicators:Check valves integrated with control valve networks.Enhanced system reliability, effective backflow control.
Get Your Custom Quote
Our technical experts will analyze your requirements and provide a tailored solution with detailed specifications and competitive pricing.