PIONEER Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Steel
The PIONEER 4000 Series Hydraulic Quick-Connect Coupling Body (SKU 31A931, MPN 4050-3P) is a steel-bodied poppet valve coupling with a 3/8"-18 thread size and a maximum flow rate of 22.71 lpm. This PIONEER product is…
SKU 3G-OTH-451522
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Product Description
The PIONEER 4000 Series Hydraulic Quick-Connect Coupling Body (SKU 31A931, MPN 4050-3P) is a steel-bodied poppet valve coupling with a 3/8"-18 thread size and a maximum flow rate of 22.71 lpm. This PIONEER product is designed for hydraulic quick-connect hose applications.
Frequently Asked Questions
What is the PIONEER 4000 Series hydraulic quick-connect coupling used for?
The PIONEER 4000 Series hydraulic quick-connect coupling body is used to rapidly connect and disconnect hydraulic hoses in industrial fluid power systems. It is commonly applied in construction, agriculture, and manufacturing equipment where frequent hose changes are needed, enabling tool swaps without significant fluid loss.
What are the specifications of the PIONEER 4050-3P coupling?
The PIONEER 4050-3P is a steel-bodied poppet valve coupling with a 3/8"-18 thread size and a maximum flow rate of 22.71 lpm. It is part of the 4000 Series and designed for hydraulic quick-connect hose applications. The body material is steel, ensuring durability under pressure.
Where to buy PIONEER hydraulic couplings worldwide?
3G Electric supplies PIONEER hydraulic couplings like the 4050-3P to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine PIONEER parts and support procurement across 14 departments, including hydraulics.
How to select the right PIONEER quick-connect coupling for a hydraulic system?
To select the right PIONEER quick-connect coupling, match the thread size (e.g., 3/8"-18) and maximum flow rate (e.g., 22.71 lpm) to your system's requirements. Consider the valve type—poppet for low-spill applications—and ensure the body material (steel) is compatible with your fluid and pressure. Consult a specialist for exact fit.
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3G Electric supplies PIONEER 4000 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.














