High Pressure Needle Valve
GOFLOW Valve & Fittings offers the HNV Series High Pressure Needle Valves, engineered for precise flow control and dependable shut-off in ultra high-pressure applications. These valves are designed to perform reliably under extreme pressure conditions while maintaining excellent sealing integrity.
Manufactured using premium materials such as SS 316, Duplex, Super Duplex, Monel, Inconel, and Hastelloy, they provide superior strength and corrosion resistance for critical service environments.
The valves are available for tubing sizes ranging from 1/4″ to 9/16″, and are offered in both straight and angle pattern designs, ensuring flexibility in installation and system layout.
- Pressure Range: 10,000 psig (689 bar) up to 30,000 psig (2,069 bar)
Features & Options
- Designed for ultra high-pressure applications
- Equipped with non-rotating tip (standard) for enhanced sealing performance
- Robust construction ensures long service life and reliability
- Suitable for critical and high-pressure systems
Testing & Quality Assurance
- 100% Hydrostatic Shell Test: Conducted at 1.5 times the working/rated pressure
- 100% Hydrostatic Seat Test: Conducted at 1.1 times the working/rated pressure
- 100% Pneumatic Seat Testing performed
- All valves are factory tested and certified with a unique serial number
- NACE certification available upon request
Complete heat code traceability ensured