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

3G Electric
RFQ CartGet a QuoteSign inSign up
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

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 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
6-4 HBZ-B
Type
Compression x Compression, Brass
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 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 →
PARKER Compression Fitting Union: 3/8 in OD x 3/8 in OD Size, Compression x Compression, Brass (MPN 6-6 WBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Union: 3/8 in OD x 3/8 in OD Size, Compression x Compression, Brass (MPN 6-6 WBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Size, Compression x FNPT, Brass (MPN 2-2 GBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Size, Compression x FNPT, Brass (MPN 2-2 GBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 4-6 FBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 4-6 FBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Nut: 1 in OD Size, Compression, Brass, 1 5/16"-20 Thread Size (MPN 16 BZ-B). Key specifications — attr1196838: Swagelok; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Nut: 1 in OD Size, Compression, Brass, 1 5/16"-20 Thread Size (MPN 16 BZ-B). Key specifications — attr1196838: Swagelok; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Adapter: 3/4 in OD x 3/4 in pipe Size, Compression x FNPT, Brass (MPN 12-12 GBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Adapter: 3/4 in OD x 3/4 in pipe Size, Compression x FNPT, Brass (MPN 12-12 GBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Union: 5/8 in OD x 5/8 in OD Size, Compression x Compression, Brass (MPN 10-10 HBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Union: 5/8 in OD x 5/8 in OD Size, Compression x Compression, Brass (MPN 10-10 HBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Union: 1/4 in OD x 1/8 in OD Size, Compression x Compression, Brass (MPN 4-2 HBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Union: 1/4 in OD x 1/8 in OD Size, Compression x Compression, Brass (MPN 4-2 HBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 6-6 FBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 6-6 FBZ-B). Key specifications — attr1196838: CPI™; attr1196811: PARKER; attr1196829: CPI(TM).