Needle Valve Series
- 6000, 10000 Psi Needle Valve
- Compact Gauge Valve
- Screwed Bonnet Needle Valve
- Compact One-Piece Ball Valve
- 2000 Psi Two-Piece Ball Valve
- 1 Way Manifolds
- 2 Way Manifolds
- 3 Way Manifolds
- 5 Way Manifolds
Product drawing»
Structural drawing»
Cooperation
J61W High-Temperature Butt Weld Needle Valve
Sizes:6~25mm Pressure: 0~32.0MPa
J23W Male Threaded Needle Valve with Weld End
Sizes: 6~25mm Pressure: 0~32.0MPa
J41W Flanged Needle Valve
Sizes: 10~25mm Pressure: 0~32.0MPa
J29W Pressure Gauge Needle Valve
Sizes: 3~6mm Pressure: 0~32.0MPa
1151 Type Three Valve Manifold
Sizes: 6mm Pressure: 0~16.0MPa
more
TechnologyMore >>
- Needle valve summary
- Performance
- Applicable principle of model selection
- Common material
- Selection of material
NewsMore >>
Needle Valve Stem Leakage Repair Methods: Packing Tightening and Replacement
Needle valve stem leakage is a common fault in instrument lines, sampling systems, and high pressure test stands. The leak usually appears as a drip or seepage at the packing gland [2026-11-06]
##
Needle valve sealing surfaces operate under severe conditions: high pressure differentials, frequent throttling, and media containing fine particles. Over time the needle tip and s [2026-11-04]
Needle Valve Sticking and Hard to Turn: Cleaning and Lubrication Troubleshooting
A needle valve that becomes stiff or difficult to turn is a common problem in instrument lines, sampling systems, and high pressure test stands. [2026-11-02]
Hydrogen Service Needle Valve Manufacturers: Anti-Embrittlement Treatment
Hydrogen molecules are exceptionally small and permeate metal crystal lattices easily, causing hydrogen embrittlement that can lead to sudden valve fracture. [2026-10-28]
