We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

PARKER Compression Fitting Union: 1/4 in OD x 1/4 in OD Size, 9,200 psi Max Op Pressure - O-Ring Face Seal Steel Compression Fittings
PARKERO-Ring Face Seal Steel Compression Fittings

PARKER Compression Fitting Union: 1/4 in OD x 1/4 in OD Size, 9,200 psi Max Op Pressure

The PARKER Compression Fitting Union (MPN 4 HL6-S) is a 1/4 in OD x 1/4 in OD O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series. This swivel-type union is rated for a maximum operating pressure of…

SKU 3G-OTH-470520

Brand
PARKER
Item
Compression Fitting Union: 1/4 in OD x 1/4 in OD Size, 9,200 psi Max Op Pressure
Category
O-Ring Face Seal Steel 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
4 HL6-S
Series
Seal-Lok
Type
Swivel
Max Op Pressure
9,200 psi
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 4 HL6-S) is a 1/4 in OD x 1/4 in OD O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series. This swivel-type union is rated for a maximum operating pressure of 9,200 psi.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a PARKER 4 HL6-S compression fitting union used for?

The PARKER 4 HL6-S Seal-Lok union connects two 1/4 in OD tubes in high-pressure hydraulic systems. Its O-ring face seal design prevents leaks in applications up to 9,200 psi, common in industrial machinery, mobile equipment, and fluid power circuits.

What are the specifications of the PARKER 4 HL6-S?

The PARKER 4 HL6-S is a swivel-type union from the Seal-Lok series. It fits 1/4 in OD x 1/4 in OD tubing, is made of steel with an O-ring face seal, and has a maximum operating pressure of 9,200 psi. The manufacturer part number is 4 HL6-S.

Where to buy PARKER 4 HL6-S compression fittings worldwide?

3G Electric supplies the PARKER 4 HL6-S Seal-Lok union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this high-pressure fitting.

How to install a PARKER Seal-Lok swivel union?

Ensure tube ends are clean and deburred. Lubricate the O-ring and nut threads. Tighten the nut to the manufacturer’s recommended torque for 1/4 in OD tubing. The swivel design allows alignment without rotating the tube, reducing installation stress.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from PARKER

View all PARKER parts
PARKER Compression Fitting Nut: 1/4 in OD Size, 9/16"-18 Thread Size, 9,200 psi Max Op Pressure (MPN 4 TLFA-SS). Key specifications — Brand: PARKER; Series: TLFA-SS.
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Size, 9/16"-18 Thread Size, 9,200 psi Max Op Pressure (MPN 4 TLFA-SS). Key specifications — Brand: PARKER; Series: TLFA-SS.
PARKER Compression Fitting Adapter: 1/2 in OD x 1/2 in Pipe Size, 3/4-14 Thread Size, Steel (MPN 8-12 FLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER
PARKER Compression Fitting Adapter: 1/2 in OD x 1/2 in Pipe Size, 3/4-14 Thread Size, Steel (MPN 8-12 FLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER Compression Fitting Union: 3/4 in OD x 3/4 in OD Size, 6,000 psi Max Op Pressure (MPN 12 HLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER
PARKER Compression Fitting Union: 3/4 in OD x 3/4 in OD Size, 6,000 psi Max Op Pressure (MPN 12 HLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER Compression Fitting Nut: 3/4 in OD Size, 1 3/16"-12 Thread Size, 9,200 psi Max Op Pressure (MPN 12 TLFA-S). Key specifications — Brand: PARKER; Series: TLFA-S.
PARKER
PARKER Compression Fitting Nut: 3/4 in OD Size, 1 3/16"-12 Thread Size, 9,200 psi Max Op Pressure (MPN 12 TLFA-S). Key specifications — Brand: PARKER; Series: TLFA-S.
PARKER Compression Fitting Cap: 5/8 in OD Size, 1-14" Thread Size, O-Ring Face Seal, Steel (MPN 10 FNL-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER
PARKER Compression Fitting Cap: 5/8 in OD Size, 1-14" Thread Size, O-Ring Face Seal, Steel (MPN 10 FNL-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER Compression Fitting Nut: 1/2 in OD Size, 13/16"-16 Thread Size, 9,200 psi Max Op Pressure (MPN 8 TLFA-SS). Key specifications — Brand: PARKER; Series: TLFA-SS.
PARKER
PARKER Compression Fitting Nut: 1/2 in OD Size, 13/16"-16 Thread Size, 9,200 psi Max Op Pressure (MPN 8 TLFA-SS). Key specifications — Brand: PARKER; Series: TLFA-SS.
PARKER Compression Fitting Union: 1/2 in OD x 1/2 in OD Size, Compression x Compression, Steel (MPN 8 HLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER
PARKER Compression Fitting Union: 1/2 in OD x 1/2 in OD Size, Compression x Compression, Steel (MPN 8 HLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, 1/2-14 Thread Size, Steel (MPN 6-8 FLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, 1/2-14 Thread Size, Steel (MPN 6-8 FLO-S). Key specifications — Brand: PARKER; Series: Seal-Lok.