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GF PIPING SYSTEMS Needle Valve: Inline Valve Body, PVDF, Union Bonnet, 1/2 in Pipe Size - PVDF Straight-Body Needle Valves
GF PIPING SYSTEMSPVDF Straight-Body Needle Valves

GF PIPING SYSTEMS Needle Valve: Inline Valve Body, PVDF, Union Bonnet, 1/2 in Pipe Size

The GF PIPING SYSTEMS Needle Valve is a PVDF straight-body inline valve body from the Type 522 series, featuring a union bonnet and a plastic knob handle. It has 1/2 in pipe size with FNPT x FNPT connections (female…

SKU 3G-OTH-449672

Brand
GF PIPING SYSTEMS
Item
Needle Valve: Inline Valve Body, PVDF, Union Bonnet, 1/2 in Pipe Size
Category
PVDF Straight-Body Needle Valves
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GF PIPING SYSTEMS
Manufacturer Part Number
155522556
Type
PVDF, Union Bonnet, FNPT x FNPT
Pipe Size
1/2 in
Handle
Plastic Knob
For Media
Water
Standards
ASTM D 3222
Valve Series
Type 522
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

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GF PIPING SYSTEMS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GF PIPING SYSTEMS Needle Valve is a PVDF straight-body inline valve body from the Type 522 series, featuring a union bonnet and a plastic knob handle. It has 1/2 in pipe size with FNPT x FNPT connections (female NPT on both sides) and is designed for water service, meeting ASTM D 3222 standards.

Frequently Asked Questions

What is the GF PIPING SYSTEMS Type 522 needle valve used for?

The GF PIPING SYSTEMS Type 522 needle valve is used for precise flow regulation of water in industrial piping systems. Its PVDF construction and FNPT connections make it suitable for chemical processing, water treatment, and other applications requiring corrosion resistance and leak-tight shutoff.

What are the specifications of the GF PIPING SYSTEMS needle valve 155522556?

The GF PIPING SYSTEMS needle valve (MPN 155522556) is a PVDF inline valve body with a union bonnet and plastic knob handle. It has a 1/2 in pipe size, FNPT x FNPT connections, and is rated for water service. It meets ASTM D 3222 standards and is part of the Type 522 series.

Where to buy GF PIPING SYSTEMS needle valves worldwide?

GF PIPING SYSTEMS needle valves are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the Type 522 series.

How to install a GF PIPING SYSTEMS PVDF needle valve?

Install the GF PIPING SYSTEMS PVDF needle valve by applying PTFE tape to the FNPT threads and hand-tightening the union bonnet. Use a backup wrench on the valve body to avoid overtightening. Ensure the plastic knob is in the closed position before pressurizing the water line.

Used in

Common applications for GF PIPING SYSTEMS
Chemical processing — GF PIPING SYSTEMS CPVC ball valves (e.g., MPN 163375019) for controlling corrosive fluid flow in piping systems.
Water treatment — GF PIPING SYSTEMS PVC Y-strainers (e.g., MPN 192306400) for filtering debris from water lines before pumps or valves.
Industrial automation — GF PIPING SYSTEMS electrically actuated ball valves (e.g., MPN 199107205) for remote flow control in automated processes.
HVAC systems — GF PIPING SYSTEMS PVC ball valves (e.g., MPN 161546343) for isolation and flow regulation in chilled water circuits.
Wastewater management — GF PIPING SYSTEMS CPVC ball valves (e.g., MPN 163546345) for handling corrosive effluents in treatment plants.
Plumbing and irrigation — GF PIPING SYSTEMS PVC ball valves (e.g., MPN 161375005) for on/off control in water distribution networks.

GF PIPING SYSTEMS Products

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

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Compatible alternatives & equivalents

Cross-referenced by specification & description
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1/2 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375002)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1/2 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375002)
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375004)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375004)
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/4 in, PVC, Straight, FNPT x FNPT, Two-Piece, Tee (MPN 161375005)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/4 in, PVC, Straight, FNPT x FNPT, Two-Piece, Tee (MPN 161375005)
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 3/4 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375003)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 3/4 in, PVC, Straight, FNPT x FNPT, Full Port Ball Port (MPN 161375003)
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/2 in, CPVC, Straight, Socket x FNPT, Two-Piece (MPN 163375021)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/2 in, CPVC, Straight, Socket x FNPT, Two-Piece (MPN 163375021)
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/4 in Size, CPVC, Straight, Socket x FNPT, Two-Piece (MPN 163375005)
GF PIPING SYSTEMS
GF PIPING SYSTEMS Manual Two-Way Ball Valve: 1 1/4 in Size, CPVC, Straight, Socket x FNPT, Two-Piece (MPN 163375005)

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