1. Hydraulics - Pneumatics
  2. Valve
  3. Needle valve
  4. WEH GmbH Verbindungstechnik

Needle valve C1-191907
pneumaticregulatingshut-off

Needle valve - C1-191907 - WEH GmbH Verbindungstechnik - pneumatic / regulating / shut-off
Needle valve - C1-191907 - WEH GmbH Verbindungstechnik - pneumatic / regulating / shut-off
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Characteristics

Type
needle
Operation
pneumatic
Function
shut-off, regulating
Applications
actuator
Material
anodized aluminum, PTFE
Other characteristics
normally closed, corrosion-resistant, medium-pressure
DN

3.18 mm
(0.125 in)

Pressure

Max.: 6.9 bar
(100.1 psi)

Min.: 1.4 bar
(20.3 psi)

Description

Product description
WEH® pneumatic needle valves with pneumatic actuation are used where manual operation is not desired. They are suitable for integration into automated systems and are designed for medium-pressure applications.

Features
  • Angled version available (with replaceable valve seat)
  • Valve needles and sealing seats subject to high wear available as spare parts and easily replaceable
  • Anodized aluminum housing: corrosion- and wear-resistant
  • Durable pneumatic actuator, tested for 100,000 cycles at 6.9 bar supply pressure
  • Standard V-tip for fast opening and closing
  • Metal sealing seat for high tightness requirements
  • Needle valve for pneumatic shut-off and opening of high-pressure lines


Note
For flow regulation, manually operated needle valves with regulating tips are recommended; the pneumatic needle valves are standardly equipped with a V-tip for fast opening/closing.

Technical data
Nominal diameter: 3.18 mm
Pressure range (PS): Valve: PS = 1,379 bar / 20,000 psi; Actuator: PP = 6.9 bar / 100 psi
Component materials: high-strength stainless steel
Seal materials: at the spindle seat: PTFE (other sealing materials available on request)
Configuration: angled (with replaceable valve seat - normally closed)
Connection geometry: MP-fitting 60° cone & thread
Conformities / tests / approvals: Pressure equipment type: pipeline-like pressure-retaining equipment; Classification: Article 4, paragraph 3

Ordering / Technical specifications
  • Order number (SKU): C1-191907
  • Suitable for tube outer diameter: 1/4" (depending on variant also 3/8", 9/16", 3/4", 1")
  • Nominal diameters (examples by variant): 3.18 mm; 5.18 mm; 7.92 mm; 11.13 mm; 14.27 mm
  • Pneumatic cylinder: anodized, corrosion-resistant aluminum
  • Actuator lifetime: tested for 100,000 cycles at 6.9 bar

Catalogs

No catalogs are available for this product.

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Exhibitions

Meet this supplier at the following exhibition(s):

Hydrogen Technology World Expo
Hydrogen Technology World Expo

20-22 Oct 2026 Hamburg (Germany)

  • More information
    ADIPEC
    ADIPEC

    2-05 Nov 2026 Abu Dhabi (United Arab Emirates)

  • More information
    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.