Model HNR: The High-Pressure Check Valve Standard
The Model HNR is engineered for compact pipelines where space is limited but pressure is extreme. Unlike standard cast NRVs, the HNR is built to withstand 3000 PSI, making it a staple in Pune’s hydraulic, pneumatic, and specialized gas sectors.
Key Engineering Features of Model HNR
- High-Pressure Capability: Rated for 3000 PSI, this valve is specifically designed for high-stress environments where standard valves would fail.
- Bubble-Tight Sealing: Utilizes a high-grade Viton "O" Ring to ensure a 100% leak-proof seal even at low-pressure differentials.
- Corrosion Resistance: The body is constructed from Investment Cast (IC) CF8 (SS304) or CF8M (SS316), providing superior resistance to oxidation and chemical attack.
- Viton Sealing: The Viton "O" ring offers excellent chemical compatibility and can handle temperatures up to 100°C, making it ideal for oils and industrial gases.
- Unobstructed Unidirectional Flow: Designed to open at low cracking pressures while preventing any backflow, protecting upstream equipment like pumps and compressors.
Technical Specifications: Model HNR
Feature | Details |
Model | HNR (High-Pressure Series) |
Body Material | IC CF8 (SS304) / CF8M (SS316) |
Size Range | ½" to 2" (Screwed) |
Pressure Rating | 3000 PSI |
Maximum Temp | 100°C |
Sealing Element | Viton "O" Ring |
Ends | Screwed (F) to BSP (NPT available on request) |
Media | Air, Oil, Gas, Water |
Strategic Applications in Pune’s Industrial Landscape
1. Hydraulics & Pneumatics
Pune’s vast automotive and machinery manufacturing sector relies on the HNR to maintain pressure in hydraulic lines and prevent air backflow in pneumatic circuits.
2. Oil & Gas Distribution
The 3000 PSI rating makes this valve ideal for high-pressure gas manifolds and fuel oil transfer lines where safety and zero-leakage are paramount.
3. Pump Discharge Protection
Prevents the destructive "water hammer" effect and protects pumps from back-pressure surges in high-rise construction and industrial water systems.
Serving Pune and All Over India
As the best manufacturer of Non-Return valves in India, FlowBiz Exports ensures rapid delivery and technical support to every major industrial hub:
- Maharashtra: Pune, Mumbai, Nashik, Thane, Aurangabad, Nagpur, Kolhapur.
- Gujarat: Ahmedabad, Vapi, Surat, Ankleshwar, Bharuch, Gandhidham.
- South & Central India: Chennai, Coimbatore, Indore, Bhopal.
Is your high-pressure system suffering from backflow issues or O-ring failures?
Upgrade to the FlowBiz Model HNR. With its investment-cast body and 3000 PSI rating, it is the most reliable check valve for the Pune area’s rigorous engineering standards.
Contact Us for a Quote: +91 9016 989898
FlowBiz Exports Pvt Ltd – Innovation is our middle name.
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