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Danfoss / Eaton Cplng ST Series

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Description & Features

This Danfoss / Eaton Cplng ST Series quick disconnect coupling socket is designed for fluid transfer applications, as well as use with chemicals, food and beverage, injection molding, marine, medical, pressure washing, and steam cleaning equipment.

Featuring quick connect and disconnect functionality, the female half coupling requires no special tools for use. It features a 3/8" port size, a ball lock internal connection type, and Buna-N seal material, and is constructed of durable brass. This coupling exceeds ISO 16028 operating pressures, with a flow rate of 15 gallons per minute and a minimum working temperature of -40 degrees.

SKU: 3S20

Supplier Part Number (MPN): 3S20

Specifications

Brand
Danfoss
Connection Size 1
3/8 in
Connection Size 2
3/8 in
Connection Style
Manual
Connection Type
MNPT
Connection Type 1
Male NPTF
Connection Type 2
Male NPTF
Dimensions
1.16 in Dia x 1.75 in L
Fitting Type
Coupling
Fluid Compatibility
Versatile Fluids
Hex Size
1 x 1 in
Latch Type
Push-to-Connect
Material
Brass
Material Construction
Brass
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
ST Series
Thread Size
3/8-18
Valve Type
Straight

Product Questions & Answers (1)

Question by: Duane H on Jul 11, 2025, 7:27 AM
Is this here coupling gonna work okay for hooking up to my pressure washer?
Answer by: Customer Support on Jul 12, 2025, 3:00 PM
This quick disconnect is suitable for pressure washing equipment, along with a variety of other applications including fluid transfer, chemical processing, food and beverage production, injection molding, marine environments, medical equipment, and steam cleaning.

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