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PARKER 6 HLO-S O-Ring Face Seal Steel Compression Fitting Union - O-Ring Face Seal Steel Compression Fittings
PARKERO-Ring Face Seal Steel Compression Fittings

PARKER 6 HLO-S O-Ring Face Seal Steel Compression Fitting Union

The PARKER Compression Fitting Union (MPN 6 HLO-S) is an O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series, sized 3/8 in OD x 3/8 in OD. It is rated for a maximum operating pressure of 9,200 psi.

SKU 3G-OTH-470503

Also listed as: 6HLOS · 6 HLO S · 6-HLO-S

Brand
PARKER
Item
6 HLO-S O-Ring Face Seal Steel Compression Fitting Union
Category
O-Ring Face Seal Steel Compression Fittings
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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 HLO-S
Series
Seal-Lok
Max Op Pressure
9,200 psi

Technical Documents

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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Union (MPN 6 HLO-S) is an O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series, sized 3/8 in OD x 3/8 in OD. It is rated for a maximum operating pressure of 9,200 psi.

Frequently Asked Questions

What is a PARKER Seal-Lok compression fitting union used for?

The PARKER Seal-Lok compression fitting union (6 HLO-S) is used to connect two 3/8 in OD tubes in hydraulic systems. Its O-ring face seal design provides leak-free performance in high-pressure industrial applications up to 9,200 psi.

What are the specifications of the PARKER 6 HLO-S compression fitting?

The PARKER 6 HLO-S is a Seal-Lok series O-ring face seal steel compression fitting union. It has a 3/8 in OD x 3/8 in OD size and a maximum operating pressure of 9,200 psi. The manufacturer part number is 6 HLO-S.

Where to buy PARKER Seal-Lok fittings in worldwide?

3G Electric supplies PARKER Seal-Lok fittings like the 6 HLO-S union to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your industrial hydraulic needs.

How to install a PARKER O-ring face seal compression fitting?

To install a PARKER Seal-Lok fitting, ensure the tube end is clean and deburred. Insert the tube fully into the fitting, then tighten the nut to the manufacturer's recommended torque. Always verify the O-ring is seated properly before pressurizing the system.

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 o-ring face seal steel 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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