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
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TechnologyMore >>
- Needle valve summary
- Performance
- Applicable principle of model selection
- Common material
- Selection of material
NewsMore >>
Needle Valve for Low‑Temperature Service: Key Selection & Use
In liquid nitrogen, LNG, and refrigeration systems, needle valves are used for sampling, instrument isolation, and purging. At -196°C (liquid nitrogen) to -253°C (liquid hydrogen [2026-06-15]
Needle Valve with Restriction Orifice: Solving Low‑Flow Instability
In chemical test rigs or precision injection systems, a needle valve alone often delivers erratic flow at very low rates – surging or even stopping. This happens because at openin [2026-06-12]
Needle Valve Thread Connection & Taping Mistakes
Most field installation errors are not about valve selection but over‑wrapping with PTFE tape. [2026-06-10]
Needle Valve Failure Modes & Daily Inspection Tips
Though small, a needle valve failure can shut down an entire instrument line. The following failure modes are most common on site. Focus daily inspections on them to avoid surprise [2026-06-08]
