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Mechanical fittings with two ferrules.
Just via a clamping nut, the back ferrule conducts the maintenance of the pipe and the front ferrule conducts the sealing of the fluid.
The wetted portions are all made up of the same materials, meaning various fluids over a wide temperature range can be firmly sealed.
*Stainless products are Rohs compliant

Dimensions Table:
Inch Series
Metric series
Schedule Pipe Series

This fitting is developed for plastic tube connecting. It has only 2 items components, the main body and the nut. Nut tightening complete by just full turning the nut. Whoever will do, connection with plastic tube can be achieved "Easily and Securely".

Dimensions Table:
Inch Series
Metric series

Fitting developed for soft vinyl chloride hoses. The composition retains the hose inserted into the insert in place with a sleeve through the nut, and compared to other hoses, has enhanced reliability against water leakage and hose dislocation.


Won the Good Design Award of 2003.
Mechanical fitting for pipe size and design to minimize resistance of watercourse is given.


Fitting for automatic welding machines used for high-purity gas systems such as semiconductors, liquid crystal manufacturing systems and so on.
Manufactured from clean stainless steel with quality governing and packaged in vacuum double packaging in a clean room.
*RoHS compliant


Fitting with a metal gasket surface seal system used for high-purity gas systems just like AWF, and conducting leak-free connections from vacuum to high pressure.
Welding parts are manufactured from clean stainless steel with quality governing and packaged in vacuum double packaging in a clean room.
*RoHS compliant

O-ring seal

A new product replacing the VTF (VCR) fitting, which has been used for 20 years for high-purity gas for semiconductors. It has solved conventional problems such as twisting in piping construction and particles in thread fastening, by applying the clamping method.
*RoHS compliant


A stainless-steel one-touch connecting joint enabling quick and easy connection/detachment of fluid pipes for air, water, gas and so on.
Connects such as BI-LOK®, EP-Fit and so on are available, as well as thread connection.

Fitting for medium high pressure piping for general hydraulic pressure.
Corresponding to the scheduled pipe.

CECopper pipe Series
 Bite type fittings correspond to ISO standards

Bite type fittings correspond to ISO standards that are applied widely to the machine tool market. As tightening can be completed by turning the nut fully, easy and secure piping work with less variation is performed.

Fitting for high pressure piping up to intermediate caliber for general hydraulic pressure.
Requires no thread cutting, welding, flaring processing, brazing and so on and corresponding to pipe bending processing.

Fittings for High Pressure Application

Swivel joint for general hydraulic pressure.
Effective as a measure against twisting of hydraulic pressure hose and for increased durability.

Swivel Joint
Low torque type(SJC,SJK)

For high pressure hoses, the hose adapter plays a key role. Products matching user needs, including NNT series with smooth flow, are available.


Branch piping can be made without the fittings. Advantages of the Bunki-kun are free from the leakage, less welding, and less flow resistance. Besides, direction dicision and the shape except straght is are available.


Dacchaku-kun is multiple detchable and high temp stainless steel fitting to be applied for Mold cooling piping. This is suitable for frequent detachments under high temperature heat cycle.
*RoHS compliant

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pipe fittings types