PARKERCPI Series Hydraulic Quick-Connect Coupling Plugs

PARKER Nipple: 1/4 in Coupling Size, A-Lok Tube End, A-Lok Tube End

The PARKER 4A-Q4VY-SS is a CPI Series hydraulic quick-connect coupling plug with a 1/4 in coupling size and A-Lok tube end connections on both sides. Its body is made of 316 stainless steel, and it operates within a…

SKU 3G-OTH-458777

Brand

PARKER

Item

Nipple: 1/4 in Coupling Size, A-Lok Tube End, A-Lok Tube End

Technical Specifications

PARKER

Manufacturer Part Number

4A-Q4VY-SS 

Type

A-Lok Tube End, A-Lok Tube End 

Fitting Type

A-Lok Tube End 

Body Material

316 Stainless Steel 

Connection Type

A-Lok Tube End 

Stainless Steel

316

Temperature Range

-15° to 400°F 

View Full Spec Sheet

Technical Documents

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PARKER Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the PARKER 4A-Q4VY-SS CPI Series coupling plug used for?

The PARKER 4A-Q4VY-SS is a hydraulic quick-connect coupling plug used in fluid power systems to enable fast, leak-free connections and disconnections under pressure. It is common in industrial hydraulic circuits, instrumentation panels, and chemical processing where 316 stainless steel resists corrosion.

What are the specifications of the PARKER 4A-Q4VY-SS?

The PARKER 4A-Q4VY-SS is a CPI Series hydraulic quick-connect coupling plug with a 1/4 in coupling size and A-Lok tube end connections on both sides. Its body is 316 stainless steel, and it operates from -15° to 400°F. The manufacturer part number is 4A-Q4VY-SS.

Where to buy the PARKER 4A-Q4VY-SS worldwide?

3G Electric supplies the PARKER 4A-Q4VY-SS worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this CPI Series coupling plug.

How to install the PARKER 4A-Q4VY-SS A-Lok tube end coupling?

To install the PARKER 4A-Q4VY-SS, ensure the tube is clean and squarely cut. Insert the tube into the A-Lok fitting until it bottoms, then tighten the nut finger-tight plus the recommended turns per Parker guidelines. Always verify the seal and test for leaks before pressurizing.

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 cpi series hydraulic quick-connect coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all PARKER products →Contact our engineers →

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