NITTO KOHKI SP Cupla Type A 10S-A STEEL NBR Female Socket R 1-1/4"

Elevate safety and convenience in high-pressure lines with the NITTO KOHKI 10S-A STEEL NBR, an extra-large 1-1/4 inch male thread female quick connect socket, 100% authentic directly from Japan. Part of the renowned SP Coupler series, famous for its automatic two-way shut-off valve system, it is ideally suited for systems demanding international engineering safety standards.

The engineering highlight of the 10S-A coupler is its internal valve mechanism within the socket that immediately shuts off and blocks the flow of air or fluid the moment the plug is disconnected, preventing hazardous spraying of chemicals, lubricants, or high-pressure air that could harm operators. The body is made of extra-thick carbon steel treated with induction hardening at torque-bearing and locking-ball areas, providing superior wear resistance and surge pressure durability in the system. Sealed tight with high-quality NBR (Nitrile Rubber) from Japan, it has long been trusted by large industrial plants and heavy machinery maintenance workshops.

Automatic Two-Way Valve Mechanism: Automatic shut-off valve system activates immediately upon disconnecting the coupler, preventing fluid or air loss and completely reducing on-site accidents.

Induction Hardened Steel Body: Extra-thick hardened steel body, highly resistant to impacts, drag scratches, and massive torque from tightening.

High Flow Rate with 1-1/4" Thread: Engineered internal passage and 1-1/4 inch male thread (R 1-1/4" thread) enable rapid transfer of large volumes of air or fluid.

Premium NBR Seal Resistance: Genuine nitrile rubber seals provide excellent resistance to industrial hydraulic oils, engine oils, water, and general gases, supporting operating temperatures from -20°C to +80°C.

Suitable for high-pressure hydraulic supply lines (Hydraulic Line) on heavy machinery, excavators, loaders, or forming machines in factories

Used for installation with main air lines and large branch lines (Large Air Line) from industrial screw air compressors that use pneumatic power to drive heavy equipment

Suitable for transfer piping systems of fluids, water, basic chemicals, or piping lines in the automotive industry and steel structure construction

Brand / Country of Origin: NITTO KOHKI (Made in Japan)

SKU (Model): 10S-A STEEL NBR (SP Coupler Series)

Coupler Type: Female (Socket)

End Configuration: Male Taper Thread standard size 1-1/4 inch (Universal Thread R 1-1/4")

Body Material: Hardened steel (Carbon Steel)

Seal Material: NBR (Nitrile Rubber)

Working Pressure: 3.0 MPa (30 bar / approx. 435 PSI)

Proof Pressure: 4.5 MPa (45 bar)

Product Weight: 1.130 kg (1.130)

Product Dimensions (Width x Length x Height): 0.065 m x 0.101 m x 0.065 m (0.065 m x 0.101 m x 0.065 m)