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PARKER Compression Fitting Union: 3/8 in OD x 1/4 in OD Size, Compression x Compression - Double-Ferrule Brass Compression Fittings
PARKERDouble-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 6RU4-B) is a double-ferrule brass compression fitting with a 3/8 in OD x 1/4 in OD size and Compression x Compression configuration. It is compatible with Parker A-LOK…

SKU 3G-OTH-473528

Brand
PARKER
Item
Compression Fitting Union: 3/8 in OD x 1/4 in OD Size, Compression x Compression
Category
Double-Ferrule Brass Compression Fittings
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Technical Specifications

PARKER
Manufacturer Part Number
6RU4-B
Type
Compression x Compression, Brass
Compatible Fitting Brands
Parker A-LOK
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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Union (MPN 6RU4-B) is a double-ferrule brass compression fitting with a 3/8 in OD x 1/4 in OD size and Compression x Compression configuration. It is compatible with Parker A-LOK fitting brands, providing a reliable connection for industrial tubing systems.

Frequently Asked Questions

What is the PARKER 6RU4-B compression fitting union used for?

The PARKER 6RU4-B is a double-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 provides a leak-tight, vibration-resistant connection compatible with Parker A-LOK fittings, common in instrumentation, hydraulic, and pneumatic applications.

What are the specifications of the PARKER 6RU4-B compression fitting?

The PARKER 6RU4-B is a brass compression x compression union with sizes 3/8 in OD x 1/4 in OD. It uses a double-ferrule design for reliable sealing and is compatible with Parker A-LOK fitting brands. The manufacturer part number is 6RU4-B, and it is made by PARKER.

Where to buy PARKER 6RU4-B compression fittings worldwide?

3G Electric supplies the PARKER 6RU4-B compression fitting union to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this double-ferrule brass fitting.

How to install a double-ferrule compression fitting like the PARKER 6RU4-B?

To install the PARKER 6RU4-B, slide the nut and ferrules onto the tube, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten an additional 1-1/4 turns for 3/8 in OD tube. Always follow the manufacturer's instructions for proper sealing and avoid overtightening.

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 double-ferrule brass compression fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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