Parker71 Series Hydraulic Quick-Connect Coupling Bodies

Parker Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, 316 Stainless Steel

The PARKER 71 Series Hydraulic Quick-Connect Coupling Body (SKU 3G-OTH-454036, MPN S71-3C12-12EF) is a 3/4 in coupling-size component. It features a 316 Stainless Steel body and Nitrile seal material.

SKU 3G-OTH-454036

Also listed as: S713C1212EF · S71 3C12 12EF

Brand

Parker

Item

Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, 316 Stainless Steel

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Parker

Manufacturer Part Number

S71-3C12-12EF 

Type

Nitrile 

Body Material

316 Stainless Steel 

Seal Material

Nitrile 

Stainless Steel

316

Technical Documents

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Parker Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the PARKER 71 Series hydraulic quick-connect coupling used for?

The PARKER 71 Series hydraulic quick-connect coupling body is used in industrial hydraulic systems for rapid connection and disconnection of fluid lines. It is suitable for applications requiring corrosion resistance, such as marine, chemical processing, and food-grade environments, where 316 stainless steel and nitrile seals provide durability.

What are the specifications of the PARKER S71-3C12-12EF coupling?

The PARKER S71-3C12-12EF is a 71 Series hydraulic quick-connect coupling body with a 3/4 in coupling size. It features a 316 stainless steel body and a nitrile seal material. The manufacturer part number is S71-3C12-12EF, and the SKU is 20LH11.

Where to buy PARKER hydraulic quick-connect couplings worldwide?

3G Electric supplies PARKER hydraulic quick-connect couplings like the S71-3C12-12EF to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 71 Series coupling body.

How to select the right PARKER quick-connect coupling for a hydraulic system?

To select the right PARKER quick-connect coupling, match the coupling size (e.g., 3/4 in) to your hose and system flow requirements. Consider body material (316 stainless steel for corrosion resistance) and seal material (nitrile for petroleum-based fluids). Verify pressure ratings and thread type from the manufacturer's data.

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

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