We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Brass - HK Series Hydraulic Quick-Connect Coupling Bodies
HANSENHK Series Hydraulic Quick-Connect Coupling Bodies

HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Brass

The HANSEN HK Series Hydraulic Quick-Connect Coupling Body (MPN B3H21) is a brass-bodied coupling with a 3/8"-18 thread size and a maximum flow rate of 22.71 lpm. This component is designed for hydraulic…

SKU 3G-OTH-459423

Brand
HANSEN
Item
Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Brass
Category
HK Series Hydraulic Quick-Connect Coupling Bodies
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

HANSEN
Manufacturer Part Number
B3H21
Type
Brass, 22.71 lpm Max. Flow Rate
Thread Size
3/8"-18
Body Material
Brass
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

HANSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HANSEN HK Series Hydraulic Quick-Connect Coupling Body (MPN B3H21) is a brass-bodied coupling with a 3/8"-18 thread size and a maximum flow rate of 22.71 lpm. This component is designed for hydraulic quick-connect applications, offering a reliable connection point in fluid power systems.

Frequently Asked Questions

What is the HANSEN B3H21 hydraulic quick connect coupling used for?

The HANSEN B3H21 is a brass-bodied HK Series hydraulic quick-connect coupling body used in fluid power systems. It provides a reliable connection point for transferring hydraulic fluids at up to 22.71 lpm, commonly applied in industrial machinery, mobile equipment, and hydraulic tool circuits.

What are the specifications of the HANSEN B3H21 coupling?

The HANSEN B3H21 coupling has a 3/8"-18 thread size, a brass body, and a maximum flow rate of 22.71 lpm. It is part of the HK Series hydraulic quick-connect coupling bodies, designed for durable, leak-resistant connections in hydraulic systems.

Where to buy HANSEN B3H21 hydraulic coupling worldwide?

3G Electric supplies the HANSEN B3H21 hydraulic quick-connect coupling to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine HANSEN components for your fluid power applications.

How to install a HANSEN B3H21 quick connect coupling?

To install the HANSEN B3H21, ensure the mating coupler and system are depressurized. Clean the threads and apply compatible sealant. Tighten the 3/8"-18 thread to manufacturer torque specs. Always verify flow direction and pressure ratings before system startup.

Used in

Common applications for HANSEN
Hydraulic systems — HANSEN FF Series push-to-connect couplings for quick line changes in manufacturing equipment
Medical gas delivery — HANSEN oxygen quick-disconnect plugs with hose barb connections for hospital gas outlets
Pneumatic tool lines — HANSEN sleeve-lock couplings for air tools in assembly plants
Oil and gas transfer — HANSEN steel-bodied couplings for high-flow hydraulic circuits in drilling rigs
Tool organization — HANSEN socket trays and wrench racks for maintenance shop storage

HANSEN Products

3G Electric supplies HANSEN hk 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from HANSEN

View all HANSEN parts
HANSEN Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Brass, 45.42 lpm Max. Flow Rate (MPN B4HP26). Key specifications — Body Material: Brass; Thread Size: 1/2"-14; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Brass, 45.42 lpm Max. Flow Rate (MPN B4HP26). Key specifications — Body Material: Brass; Thread Size: 1/2"-14; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, Brass, 98.42 lpm Max. Flow Rate (MPN B6HP31). Key specifications — Body Material: Brass; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, Brass, 98.42 lpm Max. Flow Rate (MPN B6HP31). Key specifications — Body Material: Brass; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Brass, 189.27 lpm Max. Flow Rate (MPN B8HP36). Key specifications — Body Material: Brass; Thread Size: 1"-11-1/2; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 1 in Coupling Size, Brass, 189.27 lpm Max. Flow Rate (MPN B8HP36). Key specifications — Body Material: Brass; Thread Size: 1"-11-1/2; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, 303 Stainless Steel, FNPT (MPN LL3H21). Key specifications — Body Material: 303 Stainless Steel; Thread Size: 3/8"-18; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, 303 Stainless Steel, FNPT (MPN LL3H21). Key specifications — Body Material: 303 Stainless Steel; Thread Size: 3/8"-18; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, Steel, 98.42 lpm Max. Flow Rate (MPN 6HP12). Key specifications — Body Material: Steel; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, Steel, 98.42 lpm Max. Flow Rate (MPN 6HP12). Key specifications — Body Material: Steel; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 1/8 in Coupling Size, Steel, 3.03 lpm Max. Flow Rate (MPN 1H11). Key specifications — Body Material: Steel; Thread Size: 1/8"-27; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 1/8 in Coupling Size, Steel, 3.03 lpm Max. Flow Rate (MPN 1H11). Key specifications — Body Material: Steel; Thread Size: 1/8"-27; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, 303 Stainless Steel, FNPT (MPN LL6HP31). Key specifications — Body Material: 303 Stainless Steel; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 3/4 in Coupling Size, 303 Stainless Steel, FNPT (MPN LL6HP31). Key specifications — Body Material: 303 Stainless Steel; Thread Size: 3/4"-14; Brand: HANSEN.
HANSEN Hydraulic Quick Connect Hose Coupling: 1/8 in Coupling Size, Steel, 3.03 lpm Max. Flow Rate (MPN 1H4). Key specifications — Body Material: Steel; Thread Size: 1/8"-27; Brand: HANSEN.
HANSEN
HANSEN Hydraulic Quick Connect Hose Coupling: 1/8 in Coupling Size, Steel, 3.03 lpm Max. Flow Rate (MPN 1H4). Key specifications — Body Material: Steel; Thread Size: 1/8"-27; Brand: HANSEN.