Plumbing Needle Valves | Raptor Supplies United Kingdom
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PARKER Plumbing Needle Valves

Designed for regulating fluids in process, power generation and instrumentation applications. Restrict or allow the fluid flow by using a slender needle-shaped plunger which fits in a conical seat

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Parker needle valves permit precise regulation of flow, usually gas or water, through an appliance or system. These valves feature a small port and threaded, needle-shaped plunger, allowing a minimal amount of substance to pass through the valve.
PARKER -

V Series, Needle Valves

PARKER 6A-V6LN-SSA
PARKER 4A-V4LR-BB
StyleModelBody MaterialLengthMax. FlowMax. HeightMax. PressureStem TypeTube SizePrice (inc. VAT)
A6A-V6LN-SS316 SS2 37/64"0.55 gpm3 35/64"5000 psiNeedle3/8"£338.81
A2A-V2LN-SS316 Stainless Steel2 1/64"0.12 gpm63/64"5000 psiRegulating1/8"£283.99
A4A-V4LN-SS316 Stainless Steel2 5/16"0.43 gpm3 1/16"5000 psiRegulating1/4"£207.09
A4A-V4LK-SS316 Stainless Steel2 5/16"0.45 gpm3 1/16"5000 psiBlunt Needle PCTFE1/4"£274.04
A6A-V6LR-SS316 Stainless Steel2 37/64"0.73 gpm3 35/64"5000 psiBlunt3/8"£317.44
A6A-V6LK-SS316 Stainless Steel2 37/64"0.80 gpm3 35/64"5000 psiBlunt Needle PCTFE3/8"£321.22
A8A-V8LN-SS316 Stainless Steel3 1/16"1.05 gpm4.187"5000 psiRegulating1/2"£374.45
A8A-V8LK-SS316 Stainless Steel3 1/16"1.29 gpm4.187"5000 psiBlunt Needle PCTFE1/2"£378.86
A2A-V2LR-SS316 Stainless Steel2 1/64"0.12 gpm63/64"5000 psiBlunt1/8"£328.78
A4A-V4LR-SS316 Stainless Steel2 5/16"0.43 gpm3 1/16"5000 psiBlunt1/4"£235.69
B4A-V4LR-BBrass2 5/16"0.43 gpm3 1/16"3000 psiBlunt1/4"£163.19
B6A-V6LN-BBrass2 37/64"0.55 gpm3 35/64"3000 psiRegulating3/8"£250.11
B8A-V8LR-BBrass3 1/16"1.23 gpm4.187"3000 psiBlunt1/2"£404.56
B8A-V8LN-BBrass3 1/16"1.05 gpm4.187"3000 psiRegulating1/2"£350.41
B4A-V4LN-BBrass2 5/16"0.43 gpm3 1/16"3000 psiRegulating1/4"£181.37
B6A-V6LR-BBrass2 37/64"0.73 gpm3 35/64"3000 psiBlunt3/8"£209.49
PARKER -

MV-13 Series, Needle Valves

PARKER MV-13-163A
PARKER MV-13-104B
StyleModelConnectionInlet Port SizeLengthMax. FlowTube SizePrice (inc. VAT)
AMV-13-163Compression3/8" Pargrip3 19/64"4.60 gpm3/8"£416.76
AMV-13-166Compression1/2" Pargrip3 23/32"4.60 gpm1/2"£473.64
BMV-13-104Flare1/4" Parflare3 23/64"0.50 gpm-£394.27
PARKER -

Bi Directional Flow Control Valves

Parker 338 Series needle valves provide precise & efficient flow control & adjustment for factory automation applications. They have a fine taper needle plunger that ensures accurate flow control even at low flow rates and an adjustment knob with numerical micrometre position markings for providing a clear visual indication of flow control settings. Their set screw can be tightened to consistently maintain the settings at a desired point after flow rate selection. They have heavy duty brass construction for withstanding high pressures while minimising wear & tear.

PARKER 00338G1100A
StyleModelPrice (inc. VAT)
A00338G1100£61.09
RFQ
A00338G1101£76.69
RFQ
A003381100£60.36
RFQ
A003381101£79.44
RFQ
A003381103£150.64
RFQ
A003381104£157.67
RFQ
A003381102£109.14
RFQ
PARKER -

Plumbing Needle Valves

PARKER V2-509SDTA
PARKER V-503SDTB
PARKER V-508SCTC
PARKER V-502SCTD
StyleModelPrice (inc. VAT)
AV2-509SDT£989.98
BV-503SDT£478.43
CV-508SCT£306.36
DV-502SCT£302.49

Features

  • These valves are designed for safe isolation and controlling the flow to pressure metering devices, such as gauges, transmitters or switches.
  • They feature a self-centring, non-rotating stem tip for a bubble-tight shutoff and anti-blowout low torque.
  • They come integrated with a gland lock nut that maintains a secure connection with limited vibrations.
  • They are ideal for skids, water treatment, chemical injection skids, gas booster systems, pressure & flow measurement and test equipment.
  • Models, such as MV-13 Series needle valves, utilise a high purity PFA body that makes them ideal for aggressive chemical and gas applications. They also come with stem sealing for a smooth and consistent flow.

Working Mechanism

  • The needle valve's plunger has a tapered end that raises or lowers with the spin of a T-handle to open / close an orifice.
  • The handle is connected to the plunger with the help of a stem. A locking nut is provided to prevent the plunger from fully unscrewing when the handle is turned.
  • As the plunger moves down, the pointed end comes into contact with the valve seat to fully seal the orifice and allows for accurate flow rate control.

Frequently Asked Questions

What are these needle valves made of?

The needle valve utilises brass, stainless steel or plastic material for use in different applications. These materials offer chemical / corrosion resistance and can withstand high temperatures (except for plastic).

Does a needle valve change the fluid pressure?

Yes, needle valves can change the fluid pressure within a system.

What is a throttle valve?

Throttle (needle) valves control the speed of a pneumatic device and adjust the flow rate when the air / liquid is flowing.

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