Needle valves

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Needle valves | Choosing the right valve
Needle valves are used in particular for the regulation of low-flow liquids or gases. These are small diameter valves designed for low pressure applications. They are generally manually operated. They are very often found in domestic applications and fluid sampling operations. They are inexpensive which explains why they are so popular.
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needle valve
needle valve
MFC-2

Pressure: 300 psi
Temperature: 32 °F - 230 °F

... 32 to 230 and are suitable for use with an in-line mount. An adjustable knurled knob is fitted onto theneedleshaft, and the arrow within thevalveshows the controlled flow direction. This device ...

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Clippard
needle valve
needle valve
1/8" | JFC-3A

The JFC-2A Threaded Flow Control has a maximum operating pressure of 150psig, a temperature range of 32 to 230 degrees Fahrenheit and a 1/8" port. This device also has 10.5scfm airflow adjustable at 100psig. It is a highly efficient ...

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Clippard
needle valve
needle valve
MNV-1

Pressure: 2,000 psi
Temperature: 32 °F - 230 °F

Thisvalve属于MNV-1 Series. It operates at a temperature range between 32 to 230 degrees F. The ports have between 10 and 32 threads. It has an air flow of 6 scfm at 100 psig. It can operate at a pressure ...

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Clippard
flow control valve
flow control valve
SCU, MCU, SVU, MVU, SCO, MCO series

DN: 1.5 mm - 12 mm
Pressure: 1 bar - 10 bar
Temperature: 0 °C - 80 °C

This series ofvalvesuses unidirectional and bidirectional controls and has aneedletype construction. This uses stainless steel bodies with 1/8, 1/4, 3/8 and 1/2 OT measurements and NBR seals. The ...

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CAMOZZI AUTOMATION
flow control valve
flow control valve
PSCU, PMCU, PSVU, PMVU, PSCO, PMCO series

DN: 1.5 mm - 7 mm
Pressure: 1 bar - 10 bar
Temperature: 0 °C - 60 °C

Theseneedle-type flow controlvalvesact as unidirectional and bidirectional controllers. Thevalvesare installed in any position and mounted by male thread. Thevalve...

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CAMOZZI AUTOMATION
flow control valve
flow control valve
TMCU, TMVU, TMCO series

DN: 0.125 in - 0.5 in
Pressure: 0.5 bar - 10 bar
Temperature: 0 °C - 60 °C

... their dimensions and improve their flow rate characteristics. Their construction allows for easy assembly to cylinders andvalvesand allows the regulation adjustment to be precise and gradual.

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CAMOZZI AUTOMATION
插装阀
插装阀

DN: 0.25 in - 1 in
Pressure: 698 bar

... engineered instrumentationvalvesolutions products, such asneedlevalves, ballvalvesand Double Block and Bleed (DBB)valvesin single or combined ...

needle valve
needle valve
NV-030-HR

DN: 0.25 in
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 70 °C

... standard resolutionneedlevalvescover the two highest flow ranges whereas the high resolutionvalvescover the lower gas and liquid flow ranges. Features ofneedle...

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Mass Flow ONLINE BV
needle valve
needle valve
NV-001-HR

DN: 0.25 in
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 70 °C

... standard resolutionneedlevalvescover the two highest flow ranges whereas the high resolutionvalvescover the lower gas and liquid flow ranges. Features ofneedle...

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Mass Flow ONLINE BV
needle valve
needle valve
NV-003-HR

DN: 0.25 in
Pressure: 0 bar - 10 bar
Temperature: 0 °C - 70 °C

... standard resolutionneedlevalvescover the two highest flow ranges whereas the high resolutionvalvescover the lower gas and liquid flow ranges. Features ofneedle...

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Mass Flow ONLINE BV
needle valve
needle valve
EVI 005 S

DN: 5 mm
Pressure: 0 Pa - 400,000 Pa
Temperature: 5 °C - 70 °C

EVI 005 S, Mini AngleValve手动驱动•-两个连接需要s accessories • - Bellows-sealed • - Service life: 1.5 million operating cycles

needle valve
needle valve
VSRR L series

DN: 6, 8, 4 mm
Pressure: 1 bar - 10 bar
Temperature: -20 °C - 60 °C

... thread and push-in fitting. The main feature of thesevalvesis that the discharge flow can be adjusted via a pin regulator. This allows you to control the speed of the actuator connected to thevalve, ...

needle valve
needle valve
GAV-1

DN: 0.5 in - 3 in
Pressure: 600 psi

* Investment casting, ASTM-A351, CF8M, Class 600, inside screw and screwed bonnet wedge dise. Intégral seat, Nonrising stem, and Handwheel. Body - CF8M Bonnet - CF8M Disc - CF8M Stem - SUS316 Gasket - Teflon Snap Ring - SUS316 Washer ...

needle valve
needle valve
NV-1

DN: 0.25 in - 1 in
Pressure: 6,000 psi
Temperature: -50 °C - 230 °C

End Type: BSPT, ISO-228. NPTThread Pressure: 6000 psi (PN400) Température: -60°F to 450°F Size: 14" Thru 1"

needle valve
needle valve
NV series

DN: 0 mm - 1.5 mm
Pressure: 0 bar - 34.7 bar

Thisneedlevalvecomes with an adjustable orifice, which can be used to control flow rates, as well as timing circuits, filing heads, bleeding vents and various other applications. In addition to this, ...

needle valve
needle valve
NV3 series

DN: 0 mm - 0.81 mm
Pressure: 0 bar - 34.7 bar

The M3 Inlet ThreadNeedleValvehas an M3 threaded inlet and hose barb or M3 threaded outlet. There is also a manifold mount version available. The NV3 is a great selection for applications where space ...

needle valve
needle valve
NV3I

Beswick Engineering’s new NV3Ineedlevalvehas a new form factor featuring in-line M3 porting. The new configuration allows for simplified tubing connections and higher pressure rating while maintaining ...

needle valve
needle valve

DN: 30, 20, 16 mm
Temperature: -20 °C - 60 °C

Resatovalves提供了一个完美的范围valvefor high pressure applications. Customers have tried and tested the reliability of the machine. They are used in applications ranging from water-jet cutting ...

needle valve
needle valve
21V series

DN: 0.75, 0.562, 0.375, 0.25, 1 in
Pressure: 1,550 bar
Temperature: -50 °C - 230 °C

... a high reliability of thevalve. MAXIMATORvalvesof the 21V series have a cold-machined stainless steel body.Valvebodies are available in six different designs and can be equipped ...

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Maximator GmbH
needle valve
needle valve
21 DBBNV series

DN: 0.11 in - 0.56 in
Pressure: 1,550 bar
Temperature: -50 °C - 230 °C

... thus a high reliability of thevalve. MAXIMATORvalvesof the 21V series have a cold-machined stainless steel body.Valvebodies are available in six different designs and can be equipped ...

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Maximator GmbH
needle valve
needle valve
22V series

DN: 0.25 in - 14.3 in
Pressure: 1,550 bar

... may contain pressure is fabricated from annealed 316 stainless steel that is compliant with NACE MR0175 standards.Needlevalvesequipped with metal to metal seats have and increased safety and dependability ...

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Maximator GmbH
needle valve
needle valve
F2822 series

MetalNeedleValvesare an adjustable method of flow control. Internally, the pin and body create an adjustable orifice that restricts flow. Useful for instances when the exact flow rate hasn't been determined ...

needle valve
needle valve
F2822 series

DN: 0.063, 0.125 in
Pressure: 0 bar - 8.6 bar

PlasticNeedleValvesare an adjustable method of flow control. Internally, the pin and body create an adjustable orifice that restricts flow. Useful for instances when the exact flow rate hasn't been ...

needle valve
needle valve
VB BARSTOCK

DN: 0.125 in
Pressure: 0 bar - 34.5 bar
Temperature: 0 °C - 121 °C

... (air) or 3.5 LPM (water)Valvesare offered in straight (T) and 90 degree (L) flow patterns. Allvalvesare supplied with 1/8” FNPT inlet and outlet ports.Valvecartridges are ...

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Aalborg Instruments
dosing valve
dosing valve
VT

DN: 3.175 mm
Pressure: 0 bar - 5.2 bar
Temperature: 0 °F - 150 °F

The CVT™ PTFEneedlevalvehas a simple design consisting of only seven components and one PTFE O-ring. Thisneedlevalveoperates with a maximum pressure of 75 psig ...

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Aalborg Instruments
PTFE valve
PTFE valve
VT

DN: 3.175 mm
Pressure: 0 bar - 5.2 bar
Temperature: 0 °C - 66 °C

The VT PTFE is aneedlevalvethat consists of external components which are non-fluid and made from anodized aluminium. It is available in three overlapping flow ranges and made from PCTFE and PTFE components. ...

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Aalborg Instruments
needle valve
needle valve

... pressure reducing circuit, the pilot modulates closed as downstream pressure rises above set point. An integralneedlevalveacts as an upstream flow restrictor as well as a closing speed control.

flow regulator valve
flow regulator valve
BJSU series

DN: 4, 6, 8, 10 mm
Pressure: 0.2 MPa - 1 MPa
Temperature: 0 °C - 60 °C

Industry's First! (Patent no. 5578502) The function of a shock absorber is built in a speed controller. Two-stage exhausting flow rate adjustment make the same control as a cylinder with a shock absorber possible. No more cylinder ...

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NIHON PISCO CO., Ltd.
flow regulator valve
flow regulator valve
JSG series

DN: 3 mm - 12 mm
Pressure: 0.1 MPa - 1 MPa
Temperature: 0 °C - 60 °C

Flow rate can be set with indicator. Reducing the task of initial flow settings or their maintenance / replacement. The scales are on the side (upper / lower) and the top. Flow rate is proportional to the knob turns. 2 types with ...

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NIHON PISCO CO., Ltd.
flow regulator valve
flow regulator valve
SSJS series

DN: 4 mm - 16 mm
Pressure: 14.5 psi - 130 psi
Temperature: 23 °F - 140 °F

All parts used are Free from Oil External parts are Food Sanitaion Law compliant(Refer to our website for details) External parts are made of SUS316 stainless steel The material of rubber seal is FKM(HNBR as to diaphragm)

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NIHON PISCO CO., Ltd.
flow regulator valve
flow regulator valve
MNV2-08

Pressure: 250 bar
Temperature: -30 °C - 120 °C
Flow rate: 42 l/min

... be locked in place. · Positive shut-off Operation Thevalvevaries flow restriction by adjustingneedlein or out and will shut off when fully closed. TheseValves...

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Wenzhou Meric Hydraulic Technology Co.,Ltd
flow regulator valve
flow regulator valve
MNV2-10

Pressure: 250 bar
Flow rate: 45 l/min

... be locked in place. · Positive shut-off Operation Thevalvevaries flow restriction by adjustingneedlein or out and will shut off when fully closed. TheseValves...

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Wenzhou Meric Hydraulic Technology Co.,Ltd
flow regulator valve
flow regulator valve
MNFCC series

Pressure: 350 bar
Flow rate: 28 l/min

... Mineral-based fluids with viscosities of 7.4 to 420 cSt. Features · BecauseneedleValveare non-compensating devices, the fixed orifice size will regulate flow through thevalve...

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Wenzhou Meric Hydraulic Technology Co.,Ltd
needle valve
needle valve
NV-30 series

Pressure: 0 psi - 180 psi
Temperature: -40 °C - 93 °C

... used in pneumatic and fluidic systems. 303 Stainless Steel construction provides excellent corrosion resistance. Flow controlneedlehas 7 to 8 turns of precision adjustment, and maximum flow approximately equal to a ...

needle valve
needle valve
FLUIWELL-4C

SPECIFICALLY DESIGNED FOR PRESSURIZATION The Fluiwell-4C units are: •tools for pressurizing samples inside the vials in order •for the fluids to flow through your microfluidic system FEATURES •Made of Delrin •Compatible with any ...

needle valve
needle valve
FLUIWELL 1C-50

SPECIFICALLY DESIGNED FOR PRESSURIZATION The Fluiwell units are: •tools for pressurizing samples inside the vials in order •for the fluids to flow through your microfluidic system •without any pulsations BENEFITS •Autoclavable ...

needle valve
needle valve
RV-11 series

DN: 0.25 mm
Pressure: 4 bar

-Needlevalvewith shutting-off and fine-adjusting function - Compact design for surface mounting - Sample temperature: max. +80 °C [+176 °F] - Connections: G 1/4" i - Corrosion-resistant - High ...

needle valve
needle valve
JD

shut-off valve
shut-off valve
8350

DN: 2, 1.5, 1.25, 1 in

BEULCO gatevalvesenable safe shut-off of parts of the pipeline network or a system. The slides are designed so that spindle overruns and spindle breaks are not possible. The gatevalveis equipped ...

needle valve
needle valve
M-Flow series

DN: 0.25, 0.5 in
Pressure: 0 bar - 40 bar
Temperature: -40 °C - 100 °C

... powered mass flow meters red-y compact series. Tightly ClosingValvesThevalvesare tight-closing Different Device Setups Thevalvesare available as straightvalves...

needle valve
needle valve
ND DGV MG series

DN: 5 mm - 32 mm
Pressure: 10 bar
Temperature: 0 °C - 80 °C

Connection 1 + 2 metric cylindrical outer thread Sealing form 1 + 2 24° inner cone Material Brass

needle valve
needle valve
253605

DN: 0.25 in
Pressure: 5,000 psi

Multiple-turn flow restrictorvalvesFeatures Hytec’sNeedleValves是多ple-turn flow restrictorvalveswhich provide finely adjustable flow control for components ...

needle valve
needle valve

DN: 12.7 mm - 50.8 mm
Pressure: 6,000 psi

NeedleValveNeedleValvetype: bar stock body or forged body. Pattern: Straight or Angle. Body material: SS304, A182 F304 Seal Material: Nitrile or Viton

needle valve
needle valve
T1700

DN: 0.125 in
Pressure: 0 bar - 400 bar

MiniNeedleValve, Tradinco T1700 Special instrumentation-needlevalvefor vacuum and pneumatic pressures up to 400 bar. Excellent feel and low torque allows high ...

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How to choose this product
needle-valve

Needle valves are linear devices. The movement of the closure element is perpendicular to the fluid flow.

Applications

These valves are used for precise flow regulation, especially when a low, constant flow is required.

Technologies

Such valves have a small orifice with a long, conical seat. The needle-shaped closure element, or plunger fits the seat contours perfectly. Single acting models allow flow control in one direction and free flow in the opposite direction. Double acting valves control flow in both directions.

Advantages

- Precision
- All-metal construction
- Simplicity
- Stability

Disadvantages

- Low flow rate only