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PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Brass - Moldmate Series Hydraulic Quick-Connect Coupling Plugs
PARKERMoldmate Series Hydraulic Quick-Connect Coupling Plugs

PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Brass

The PARKER Moldmate Series Hydraulic Quick-Connect Coupling Plug (MPN PN251-40) is a brass-bodied coupling with a 1/4 in coupling size, 1/8"-27 thread size, and a maximum flow rate of 11.36 lpm. 3G Electric…

SKU 3G-OTH-481193

Brand
PARKER
Item
Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Brass
Category
Moldmate Series Hydraulic Quick-Connect Coupling Plugs
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Technical Specifications

PARKER
Manufacturer Part Number
PN251-40
Type
Brass, 11.36 lpm Max. Flow Rate
Thread Size
1/8"-27
Body Material
Brass
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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Moldmate Series Hydraulic Quick-Connect Coupling Plug (MPN PN251-40) is a brass-bodied coupling with a 1/4 in coupling size, 1/8"-27 thread size, and a maximum flow rate of 11.36 lpm. 3G Electric interprets your demand for this genuine PARKER component, sourcing it across our 14 industrial departments with specialist depth in pumps and controls.

Frequently Asked Questions

What is the PARKER Moldmate Series hydraulic quick-connect coupling plug used for?

The PARKER Moldmate Series plug (PN251-40) is used in hydraulic systems for quick, leak-free connection and disconnection of fluid lines. Common in injection molding, die casting, and industrial machinery, it enables fast tool changes and reduces fluid loss during maintenance.

What are the specifications of the PARKER PN251-40 coupling plug?

The PARKER PN251-40 is a brass-bodied quick-connect coupling plug with a 1/4 in coupling size, 1/8"-27 thread size, and a maximum flow rate of 11.36 lpm. It is part of the Moldmate Series, designed for hydraulic applications requiring reliable sealing and durability.

Where to buy PARKER hydraulic quick-connect couplings worldwide?

3G Electric supplies genuine PARKER Moldmate Series couplings worldwide. We interpret your demand, source the correct part, and handle logistics, customs, and delivery to your location. Contact us for availability and lead time on the PN251-40 or other PARKER hydraulic components.

How to install a PARKER Moldmate quick-connect coupling plug?

To install the PARKER Moldmate plug, ensure the mating coupler is clean and undamaged. Apply thread sealant to the 1/8"-27 male threads, then tighten to the recommended torque. Push the plug into the coupler until it locks. Always depressurize the system before connection or disconnection.

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 moldmate 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.

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