EXW Singapore — collect or forward from our Singapore office.

3G Electric
PARKER Single-Ferrule Brass Compression Fitting Union - Single-Ferrule Brass Compression Fittings
PARKERSingle-Ferrule Brass Compression Fittings

PARKER Single-Ferrule Brass Compression Fitting Union

The PARKER Compression Fitting Union is a single-ferrule brass compression fitting with a 1/4 in OD x 1/4 in OD size, featuring a Compression x Compression configuration. This CPI™ series component (MPN 4-4 WBZ-B) is…

SKU 3G-OTH-598454

Also listed as: 44WBZB · 4 4 WBZ B · 4-4-WBZ-B

Brand
PARKER
Item
Single-Ferrule Brass Compression Fitting Union
Part Number
4-4 WBZ-B
Category
Single-Ferrule Brass Compression Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PARKER
Manufacturer Part Number
4-4 WBZ-B
Type
Compression x Compression, Brass

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 Compression Fitting Union is a single-ferrule brass compression fitting with a 1/4 in OD x 1/4 in OD size, featuring a Compression x Compression configuration. This CPI™ series component (MPN 4-4 WBZ-B) is designed for reliable tube connections in industrial fluid systems.

Frequently Asked Questions

What is a Parker compression fitting union used for?

A Parker compression fitting union connects two tubes of equal outside diameter in industrial fluid systems. The single-ferrule brass design provides a leak-tight seal under pressure, making it suitable for instrumentation, pneumatic, and hydraulic applications where reliable tube connections are required.

What are the specifications of the Parker 4-4 WBZ-B compression fitting?

The Parker 4-4 WBZ-B is a CPI™ series single-ferrule brass compression fitting union. It has a 1/4 in OD x 1/4 in OD size with Compression x Compression ends. The manufacturer part number is 4-4 WBZ-B, and it is designed for use with 1/4 in OD tubing in industrial fluid systems.

Where to buy Parker compression fittings in worldwide?

3G Electric supplies Parker compression fittings like the 4-4 WBZ-B union to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this CPI™ series brass fitting.

How to install a single-ferrule compression fitting?

To install a single-ferrule compression fitting like the Parker CPI™ union, slide the nut and ferrule onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten an additional 1/4 to 1/2 turn for a leak-free seal. Always follow manufacturer guidelines for torque.

Used in

Common applications for PARKER
Industrial hydraulic presses — Parker D1VW directional control valves for precise flow direction
Injection molding machines — Parker solenoid coils and valves for cycle control
Material handling equipment — Parker hydraulic hose fittings and plugs for leak-free connections
High-pressure hydraulic systems — Parker extreme-pressure pipe fittings rated to 6,400 psi
Hydraulic filtration — Parker WPF Series filter elements for 5-micron contamination control
Pneumatic instrumentation — Parker A-Lok compression fittings for tubing connections
Not sure this is the right part? Photo-identify it→

PARKER Products

3G Electric supplies PARKER single-ferrule brass compression fittings. 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 →

More from PARKER

View all PARKER parts →
Brass compression fitting adapter with single-ferrule design. Connects 1/8 in OD tubing to 1/8 in FNPT threaded ports. Suitable for tube-to-pipe connections in pneumatic, hydraulic, and instrumentation systems
PARKER
Brass compression fitting adapter with single-ferrule design. Connects 1/8 in OD tubing to 1/8 in FNPT threaded ports. Suitable for tube-to-pipe connections in pneumatic, hydraulic, and instrumentation systems
Brass compression fitting with single ferrule for 1/8 in OD tubing. Thread size is 1/8". Used in instrumentation and process lines for metal-to-metal sealing in fluid handling systems
PARKER
Brass compression fitting with single ferrule for 1/8 in OD tubing. Thread size is 1/8". Used in instrumentation and process lines for metal-to-metal sealing in fluid handling systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first