needle valve / flow control / shut-off / for gas

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needle valve needle valve - NV-030-HR


  • Type:


  • Function:

    flow control, shut-off

  • Media:

    for gas

  • Body:

    female, stainless steel, aluminum

  • Applications:

    for precision materials handling

  • Other characteristics:

    compact, high-resolution

  • Temperature:

    Max.: 70 °C (158 °F)

    Min.: 0 °C (32 °F)

  • Pressure:

    Max.: 10 bar (145 psi)

    Min.: 0 bar (0 psi)

  • DN:

    0.25 in


> Introduction
Bronkhorst High-Tech B.V., the European market leader in thermal Mass Flow Meters/Controllers and Electronic Pressure Controllers, has many years of experience in designing and manufacturing precise and reliable measurement and control devices. With a wide range of instruments, Bronkhorst offers innovative solutions for many different applications in many different markets.

> Description
The new FLOW-ADJUST manual control valves are designed for extremely precise control in low flow gas and liquid applications. The manual control valves are available in two standard resolution (SR) and five high resolution (HR) models offering a smooth control of gas or liquid flow. The standard resolution needle valves cover the two highest flow ranges whereas the high resolution valves cover the lower gas and liquid flow ranges.

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
(Optional) fittings