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

PARKER Single-Ferrule Brass Compression Union - Single-Ferrule Brass Compression Fittings
PARKERSingle-Ferrule Brass Compression Fittings

PARKER Single-Ferrule Brass Compression Union

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
Single-Ferrule Brass Compression Union
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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
This single-ferrule brass compression union from PARKER joins two tubes of different diameters, 1/2 in OD and 3/8 in OD, with compression connections on both ends. It is used in industrial fluid systems for pneumatic, hydraulic, and instrumentation applications requiring leak-tight tube connections
PARKER
This single-ferrule brass compression union from PARKER joins two tubes of different diameters, 1/2 in OD and 3/8 in OD, with compression connections on both ends. It is used in industrial fluid systems for pneumatic, hydraulic, and instrumentation applications requiring leak-tight tube connections
Brass compression elbow with single-ferrule design for connecting 5/8 in OD tubing to 1/2 in male NPT pipe threads. Suitable for pneumatic, hydraulic, and instrumentation systems requiring leak-free tube-to-pipe connections
PARKER
Brass compression elbow with single-ferrule design for connecting 5/8 in OD tubing to 1/2 in male NPT pipe threads. Suitable for pneumatic, hydraulic, and instrumentation systems requiring leak-free tube-to-pipe connections
This single-ferrule brass compression fitting is used to create leak-tight connections in tubing systems for fluid and gas handling. It is suitable for instrumentation, hydraulic, and pneumatic applications requiring a reliable seal
PARKER
This single-ferrule brass compression fitting is used to create leak-tight connections in tubing systems for fluid and gas handling. It is suitable for instrumentation, hydraulic, and pneumatic applications requiring a reliable seal
Brass compression elbow fitting with single-ferrule design for connecting 1/8 in OD tubing to 1/8 in male NPT threads. Suitable for pneumatic, hydraulic, and instrumentation systems requiring leak-free tube-to-pipe connections
PARKER
Brass compression elbow fitting with single-ferrule design for connecting 1/8 in OD tubing to 1/8 in male NPT threads. Suitable for pneumatic, hydraulic, and instrumentation systems requiring leak-free tube-to-pipe connections
This single-ferrule brass compression fitting is used to connect tubing in fluid systems. It features a 1"-20 thread size and is suitable for instrumentation, hydraulic, and pneumatic applications
PARKER
This single-ferrule brass compression fitting is used to connect tubing in fluid systems. It features a 1"-20 thread size and is suitable for instrumentation, hydraulic, and pneumatic applications
Brass compression fitting with single-ferrule design for connecting tubing in instrumentation, hydraulic, and pneumatic systems. Thread size 3/4". Suitable for use with 1/2 in OD tubing
PARKER
Brass compression fitting with single-ferrule design for connecting tubing in instrumentation, hydraulic, and pneumatic systems. Thread size 3/4". Suitable for use with 1/2 in OD tubing
Brass compression fitting adapter with single-ferrule design, connecting 1/4 in OD tubing to a 1/4 in FNPT threaded port. Suitable for industrial fluid systems requiring leak-free tube-to-pipe connections
PARKER
Brass compression fitting adapter with single-ferrule design, connecting 1/4 in OD tubing to a 1/4 in FNPT threaded port. Suitable for industrial fluid systems requiring leak-free tube-to-pipe connections
This brass compression fitting elbow connects 1 in OD tubing to 1 in male NPT pipe threads. The single-ferrule design provides a leak-free seal in hydraulic, pneumatic, and instrumentation systems. Suitable for tube-to-pipe connections in industrial fluid handling
PARKER
This brass compression fitting elbow connects 1 in OD tubing to 1 in male NPT pipe threads. The single-ferrule design provides a leak-free seal in hydraulic, pneumatic, and instrumentation systems. Suitable for tube-to-pipe connections in industrial fluid handling