SAE Straight Thread (ORB) / SAE Straight Thread O-Ring

This fitting is also known as O-Ring Boss (ORB)

Recommended by the NFPA for optimal leakage control in medium and high pressure hydraulic systems. The male fitting has a straight thread and O-ring. The female port has a straight thread, a machined surface (minimum spotface) and a chamfer to accept the O-ring. The seal take place by compressing the O-ring in the chamfer. The threads hold the connection mechanically.

ORFS Thread Fittings Introduction

Orfs thread fittings meets or exceeds the strict requirements of SAE J1453 and ISO 8434-3. It is an O-ring face seal type fitting that consists of a nut, a body, an O-ring and a sleeve.

When the fitting is assembled, it compresses an O-ring in the precision machined groove of the fitting body to form a leak tight seal.

Orfs thread fittings are suitable for a wide range of tube wall thicknesses and are readily adaptable to inch or metric tubing and hose.

Orfs thread fittings leak-free design and rugged construction make it suitable for a wide range of applications where higher pressures, vibration and impulse are prevalent.

Ningbo NJ Hydraulic Adapter Co., Ltd has been expanding the variety of production, one of the major variety is EATON/DIN hydraulic fittings, which is winner/metric hydraulic adapters.
We found metric hydraulic adapters not only have a large market in China, but also the demand of many foreign markets is increasing, such as North and South America, India, Europe, ect. So if you’d like to develop business in DIN/metric adapters, welcome to contact us, we have a sufficient inventory for most of them. And we also welcome you to develop this business together with us.