A Bronkhorst company

High Resolution Needle Valve ( Kv 2.7E-4 , Cv 3.2E-4 )

Online price starting at: $184.62

  • Model: NV-001-HR
  • Shipping Weight: 0.98kg
  • Brand: FLOW-ADJUST

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Limited stock available, </br> book now to avoid disappointment.
Limited stock available,
book now to avoid disappointment.

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Description

Features of 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
  • 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

Model

Kv

Cv

NV-001-HR 2.7E-4 3.2E-4

 

Capacity

 based on Air
 0.08 ln/min, 0.08 SLM
 based on Water
 4.5 ml/min, 0.07 GPH

[ typical p1=1 bar(g), 14.5 psi(g)
              p2=0 bar(g), 0 psi(g) ]

Please note:
Our needle valves are sold without fittings, please use the
'Complementary products' tab to order additional accessories.

Specs

Technical Specifications

Ratings

Pressure rating
0 .. 10 bar(g), 0 .. 150 psi(g)
Temperature rating
0 .. 70 °C, 32 .. 158 °F

Mechanical Specifications

Materials (wetted parts) Body: aluminium
Needle: SS316
Valve needle holder: Brass
O-rings: Buna-N
Orifice: Brass with Fluorosint liner
Connections (in/out) G 1/4" BSPP female
Resolution 15 turns
Closing
Clockwise

Leak integrity

Each valve is thoroughly tested to a bubble tight leak 1
1tested with new unused needle valves

* Note:
- All specifications subject to change without notice.
- Excessive force used to achieve positive shut-off can deform or score the sealing surface in the valve.

Pressure versus Flow curves

Pressure versus Flow curve

Pressure versus Flow curve

Dimensions

Dimensions

Dimensions of Needle Valve

Model

A

B

C

D

H

K

L

NV-001-HR 47 37 15 5 75 25 12.5

 

 

Applications

Applications

The fields of application for FLOW-ADJUST are:
  • Waste water treatment applications
  • Drinking water treatment
  • Process control
  • Flow regulation of gases
  • diverse other applications...

Water treatment   Flow regulation of burner gases




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