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5100 Series Low Spill Connect Under Pressure Quick Disconnect, Male Half, -10 Coupling, 1/2-14 Female Pipe

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Description & Features

Featuring a tubular valve construction the Danfoss / Eaton Hansen 5100 Series Quick Disconnect Couplings Plug ensures minimal fluid loss during disconnection reducing environmental and worker safety hazards. Designed for use in hydraulics and fluid transfer on-highway hydraulic wet lines and bulk liquid transfer applications this coupling maintains system performance with low air inclusion during connection.

It is adapted to connect under pressure up to 500 psi offering flexibility even when the halves are pressurized. The standard body material is brass with steel valving components ensuring durability and reliability. Seal material options include Buna-N Vitonreg; and EPR with a minimum working temperature of -40deg;C making it suitable for various industrial environments.

Available with wing or hex nut configurations and a steel flange for accessible bulkhead mounting this quick disconnect coupling provides versatile installation options. The 1/2-14 NPTF female pipe end and compatible male configurations make it a reliable choice for demanding hydraulic systems.

MPN: C1BS53

Supplier Part Number: 5100-S2-10B

Specifications

Brand
Danfoss
Connection Size 1
5/8 in
Connection Size 2
1/2 in
Connection Style
Manual
Connection Type
FNPT
Connection Type 1
Female NPT
Connection Type 2
Female NPT
Dimensions
1.38 in Dia x 3.11 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Coupling
Fluid Compatibility
Hydraulic Fluids
Hex Size
1.188 in
Latch Type
Screw-to-Connect
Material
Brass
Material Construction
Brass
Maximum Operating Pressure
3000 psi
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
5100 Series
Thread Size
1/2-14
Valve Type
2-Way

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Product Questions & Answers (1)

Question by: Curt E on Jul 14, 2025, 1:25 PM
does this coupling work on a dump truck wet line setup, or is it mainly for stationary equipment?
Answer by: Customer Support on Jul 16, 2025, 6:21 AM
Wet line hydraulic systems on dump and refuse vehicles are actually one of the core applications this fitting was built around. It handles connection under pressure up to 500 psi, which matters a lot when you're working on a running truck and the line isn't fully depressurized. The brass body and steel valving hold up well in mobile equipment environments, and the tubular valve design keeps fluid loss to a minimum when you're swapping connections out in the field.

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