We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

PARKER Compression Fitting Union: 3/8 in OD x 1/4 in OD Size, Compression x Compression - Single-Ferrule Brass Compression Fittings
PARKERSingle-Ferrule Brass Compression Fittings

PARKER Compression Fitting Union: 3/8 in OD x 1/4 in OD Size, Compression x Compression

The PARKER Compression Fitting Union (MPN 6-4 HBZ-B) is a single-ferrule brass compression fitting with a 3/8 in OD x 1/4 in OD size, featuring a Compression x Compression design. Part of the CPI™ series, this union…

SKU 3G-OTH-598472

Also listed as: 64HBZB · 6 4 HBZ B · 6-4-HBZ-B

Brand
PARKER
Item
Compression Fitting Union: 3/8 in OD x 1/4 in OD Size, Compression x Compression
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.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

PARKER
Manufacturer Part Number
6-4 HBZ-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 (MPN 6-4 HBZ-B) is a single-ferrule brass compression fitting with a 3/8 in OD x 1/4 in OD size, featuring a Compression x Compression design. Part of the CPI™ series, this union is supplied as a genuine PARKER component for industrial tubing connections.

Frequently Asked Questions

What is the PARKER 6-4 HBZ-B compression fitting union used for?

The PARKER 6-4 HBZ-B is a single-ferrule brass compression union used to join two tubes of different outer diameters — 3/8 in and 1/4 in — in industrial fluid or gas systems. It is part of the CPI™ series and is suitable for applications requiring leak-tight connections in instrumentation, chemical processing, and power generation.

What are the specifications of the PARKER 6-4 HBZ-B compression fitting?

The PARKER 6-4 HBZ-B is a Compression x Compression union made of brass. It connects 3/8 in OD tubing on one side and 1/4 in OD tubing on the other. It is a single-ferrule design from the CPI™ series, manufactured by PARKER. The manufacturer part number is 6-4 HBZ-B.

Where to buy the PARKER 6-4 HBZ-B compression fitting union worldwide?

3G Electric supplies the genuine PARKER 6-4 HBZ-B compression fitting union to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this CPI™ series brass union.

How to install a single-ferrule compression fitting like the PARKER 6-4 HBZ-B?

To install the PARKER 6-4 HBZ-B, cut tubing squarely, deburr the ends, and slide the nut and ferrule onto the tube. Insert the tube fully into the fitting body, hand-tighten the nut, then use a wrench to tighten an additional 1-1/4 turns for a proper seal. Always follow PARKER's published torque specifications for CPI™ fittings.

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 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 with single ferrule design for 5/8 in OD tubing. Thread size 7/8". Used to create leak-tight connections in industrial fluid systems, including instrumentation, hydraulic, and pneumatic applications
PARKER
Brass compression fitting with single ferrule design for 5/8 in OD tubing. Thread size 7/8". Used to create leak-tight connections in industrial fluid systems, including instrumentation, hydraulic, and pneumatic applications
This single-ferrule brass compression union is used to join two tubes of 3/8 in outside diameter. The Compression x Compression configuration allows for straightforward installation in tube systems. Suitable for pneumatic, hydraulic, and instrumentation applications requiring leak-tight connections
PARKER
This single-ferrule brass compression union is used to join two tubes of 3/8 in outside diameter. The Compression x Compression configuration allows for straightforward installation in tube systems. Suitable for pneumatic, hydraulic, and instrumentation applications requiring leak-tight connections
Brass single-ferrule compression fitting adapter with Compression x MNPT connection. Connects 1/2 in OD tubing to 3/8 in male NPT pipe threads. Used in pneumatic, hydraulic, and instrumentation systems for leak-resistant tube-to-pipe connections
PARKER
Brass single-ferrule compression fitting adapter with Compression x MNPT connection. Connects 1/2 in OD tubing to 3/8 in male NPT pipe threads. Used in pneumatic, hydraulic, and instrumentation systems for leak-resistant tube-to-pipe connections
This single-ferrule brass compression fitting elbow connects two 3/8 in OD tubes at a 90-degree angle. The compression x compression configuration provides secure, leak-resistant joints in pneumatic, hydraulic, and instrumentation tubing systems
PARKER
This single-ferrule brass compression fitting elbow connects two 3/8 in OD tubes at a 90-degree angle. The compression x compression configuration provides secure, leak-resistant joints in pneumatic, hydraulic, and instrumentation tubing systems
Brass compression fitting nut with 5/16"-20 thread size for single-ferrule connections. Used in industrial fluid systems to secure tubing in instrumentation, hydraulic, and pneumatic lines requiring vibration-resistant joints
PARKER
Brass compression fitting nut with 5/16"-20 thread size for single-ferrule connections. Used in industrial fluid systems to secure tubing in instrumentation, hydraulic, and pneumatic lines requiring vibration-resistant joints
Brass compression fitting with single ferrule for 1/4 in OD tubing. Creates a leak-tight seal in fluid handling systems. Suitable for instrumentation, hydraulic, and pneumatic applications
PARKER
Brass compression fitting with single ferrule for 1/4 in OD tubing. Creates a leak-tight seal in fluid handling systems. Suitable for instrumentation, hydraulic, and pneumatic applications
Brass compression fitting adapter with single-ferrule design, type Compression x MNPT. Connects 1/2 in OD tubing to 1/4 in pipe size. Used in instrumentation, hydraulic, and pneumatic systems requiring leak-tight connections
PARKER
Brass compression fitting adapter with single-ferrule design, type Compression x MNPT. Connects 1/2 in OD tubing to 1/4 in pipe size. Used in instrumentation, hydraulic, and pneumatic systems requiring leak-tight connections
Brass compression nut with 7/16"-20 thread size for single-ferrule compression fittings. Used to secure tubing connections in fluid-handling systems such as instrumentation, hydraulic, and pneumatic lines
PARKER
Brass compression nut with 7/16"-20 thread size for single-ferrule compression fittings. Used to secure tubing connections in fluid-handling systems such as instrumentation, hydraulic, and pneumatic lines