NV-200-SR Standard Resolution Needle Valve
Standard Resolution Needle Valve ( Kv 4.5E-2 , Cv 5.3E-2 )
Valve
Ranges
| Model | Kv | Cv |
|---|---|---|
| NV-200-HR | 4.5E-2 | 5.3E-2 |
Capacity | |
|---|---|
| Based on Air | 20 ln/min, 20 SLM |
| based on Water | 750 ml/min, 11 GPH |
[ typical p1=1 bar(g), 14.5 psi(g) p2=0 bar(g), 0 psi(g) ] | |
Features of NV-200-SR Standard Resolution Needle Valve
- Compact needle valve in aluminium housing
- Leak-free valve
- Spring loaded, non rising adjustment stem with 56-pitch thread provides smooth,
non-reversing flow characteristics and 15-turn resolution - Non-rotating stainless steel valve pin with precision ground flat gives exact control
- Degreased for O2 use
- Valve pin o-ring guarantees positive shut-off without stem damage
- Self-lubricating orifice liner assures long life
- Valve knob included for easy adjustment
- Two M4 female threads in the bottom of the housing for solid fixation
- Suitable for gases and liquids
Scope of delivery
- High Resolution Needle Valve
- packing box
- FLOW-ADJUST Leaflet
- (optional) fittings
Technical specifications
Measurement / control system
Flow range
Based on Air 20 ln/min, 20 SLM
Based on Water 750 ml/min, 11 GPH
Based on Water 750 ml/min, 11 GPH
Pressure rating
0 .. 10 bar(g), 0 .. 150 psi(g)
Temperature rating
0 .. 70 °C, 32 .. 158 °F
Leak integrity, outboard
Each valve is thoroughly tested to a bubble tight leak
tested with new unused needle valves
tested with new unused needle valves
Mechanical parts
Material (wetted parts)
Body: aluminium
Needle: SS316
Valve needle holder: Brass
O-rings: Buna-N
Orifice: Brass with Fluorosint liner
degreased for use on oxygen (O2)
Needle: SS316
Valve needle holder: Brass
O-rings: Buna-N
Orifice: Brass with Fluorosint liner
degreased for use on oxygen (O2)
Process connections
G 1/4" BSPP female
Resolution
7 turns
Closing
Clockwise
Electrical properties
Product details
Downloads
Brochures
Stepfile
Applications
The fields of application for FLOW-ADJUST are:
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Frequently Asked Questions
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