Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Parker Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size - Brass Straight-Body Needle Valves
ParkerBrass Straight-Body Needle Valves

Parker Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size

The PARKER Needle Valve is a brass straight-body inline valve with an integral bonnet, designed for use with chemicals. It features 1/4-inch FNPT x FNPT connections (NPT) and complies with ISA S75.02 standards. This…

SKU 3G-OTH-445867

Brand
Parker
Item
Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size
Category
Brass Straight-Body Needle Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Parker
Manufacturer Part Number
4F-V6LK-B
Type
Brass, Integral Bonnet, FNPT x FNPT, NPT
Pipe Size
1/4 in
For Media
Chemicals
Standards
ISA S75.02
Valve Series
V
Connection Type
FNPT x FNPT
Connection Type - Side 1
NPT
Connection Type - Side 2
NPT
Connection Gender - Side 1
Female
Connection Gender - Side 2
Female
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Parker Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Needle Valve is a brass straight-body inline valve with an integral bonnet, designed for use with chemicals. It features 1/4-inch FNPT x FNPT connections (NPT) and complies with ISA S75.02 standards. This valve is part of the Parker V Series.

Frequently Asked Questions

What is the PARKER 4F-V6LK-B needle valve used for?

The PARKER 4F-V6LK-B needle valve is a brass inline valve with an integral bonnet, designed for precise flow control of chemicals in industrial systems. It is commonly used in instrumentation, sampling, and process lines where reliable shut-off and regulation are required.

What are the specifications of the PARKER 4F-V6LK-B needle valve?

The PARKER 4F-V6LK-B is a brass straight-body needle valve with 1/4 in FNPT x FNPT connections (NPT). It features an integral bonnet, complies with ISA S75.02 standards, and is part of the Parker V Series. It is designed for chemical media.

Where to buy the PARKER 4F-V6LK-B needle valve worldwide?

3G Electric supplies the PARKER 4F-V6LK-B needle valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Parker V Series valve.

How to install a PARKER needle valve?

Install the PARKER needle valve by applying thread sealant to the male NPT connections and tightening to the recommended torque. Ensure the valve is fully open during installation to avoid damaging the stem. Always verify compatibility with your chemical media and system pressure.

Used in

Common applications for Parker
Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits
Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems
Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing
Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration
Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning
Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker brass straight-body needle valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 4F-V6LR-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 4F-V6LR-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LN-SS). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LN-SS). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LK-SS). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT; Connection Type - Side 2: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LK-SS). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT; Connection Type - Side 2: NPT.
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LR-SS). Key specifications — For Media: Chemicals; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT; Connection Type - Side 2: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/4 in Pipe Size, NPT (MPN 4F-V6LR-SS). Key specifications — For Media: Chemicals; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT; Connection Type - Side 2: NPT.
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/2 in Pipe Size, NPT (MPN 8F-V12LN-SS). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, 1/2 in Pipe Size, NPT (MPN 8F-V12LN-SS). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 3/8 in Pipe Size, Compression, PTFE (MPN 6A-V6LN-B). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 3/8 in Pipe Size, Compression, PTFE (MPN 6A-V6LN-B). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.

More from Parker

View all Parker parts
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, Compression, PTFE (MPN 4A-V4LR-B). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, Compression, PTFE (MPN 4A-V4LR-B). Key specifications — For Media: Chemicals; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/4 in Pipe Size, FIP x FIP, Female (MPN NV109P-4). Key specifications — For Media: Water; Standards: RoHS; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/4 in Pipe Size, FIP x FIP, Female (MPN NV109P-4). Key specifications — For Media: Water; Standards: RoHS; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 4F-V6LN-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/4 in Pipe Size, FNPT x FNPT, NPT (MPN 4F-V6LN-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/8 in Pipe Size, FIP x MIP, Female (MPN NV108P-2). Key specifications — For Media: Water; Standards: ISO 9001; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Gender - Side 1: Female; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/8 in Pipe Size, FIP x MIP, Female (MPN NV108P-2). Key specifications — For Media: Water; Standards: ISO 9001; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Gender - Side 1: Female; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 3/8 in Pipe Size, Flare x Flare, Tee (MPN LNV102F-6). Key specifications — For Media: Water; Standards: RoHS; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Type - Side 1: Flare; Connection Type - Side 2: Flare; Connection Type: Flare x Flare.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 3/8 in Pipe Size, Flare x Flare, Tee (MPN LNV102F-6). Key specifications — For Media: Water; Standards: RoHS; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Type - Side 1: Flare; Connection Type - Side 2: Flare; Connection Type: Flare x Flare.
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/2 in Pipe Size, Compression, PTFE (MPN 8A-V8LR-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/2 in Pipe Size, Compression, PTFE (MPN 8A-V8LR-B). Key specifications — For Media: Oil; Standards: ISA S75.02; Brand: PARKER; Valve Series: V; Stem Type: V-Stem; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/8 in Pipe Size, For Water Media (MPN 2A-V4LN-B). Key specifications — For Media: Water; Standards: ISA S75.02; Brand: PARKER; Valve Series: V4; Stem Type: Regulating; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Integral Bonnet, 1/8 in Pipe Size, For Water Media (MPN 2A-V4LN-B). Key specifications — For Media: Water; Standards: ISA S75.02; Brand: PARKER; Valve Series: V4; Stem Type: Regulating; Connection Type - Side 1: Compression; Connection Type - Side 2: Compression; Connection Type: Compression x Compression.
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/8 in Pipe Size, MIP x MIP, Male (MPN NV107P-2). Key specifications — For Media: Water; Standards: ISO 9001; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.
Parker
PARKER Needle Valve: Inline Valve Body, Brass, Screw-In Bonnet, 1/8 in Pipe Size, MIP x MIP, Male (MPN NV107P-2). Key specifications — For Media: Water; Standards: ISO 9001; Brand: PARKER; Valve Series: NV; Connection Gender - Side 2: Male; Connection Gender - Side 1: Male; Connection Type - Side 1: IPS; Connection Type - Side 2: IPS.