Tube Fitting Mini Series

RoHS2 Compliant

Mini-type fitting is 40% smaller than the standard type fitting.

  • PBT is used for the main resin parts. PBT: A standard resin material that is ideal for general environments.
  • Brass with electroless nickel plating is used for the main metal parts.
  • Special stainless steel is used for the main metal parts. Special stainless steel: Corrosion resistance is equivalent to SUS303, making it ideal for environments prone to corrosion.
Seal rubber
  • NBR is used for the seal rubber material. NBR: A material generally used as a sealing material. Please note that it is inferior in ozone resistance.

Corresponding product

  • HNBR or FKM is used for the seal rubber material. *Some products are only compatible in the flow path.
  • No lubrication is used during assembly.


  • Fluorine grease is used as grease, and the product is packaged in a clean room after cleaning with clean air.


Mini-type fitting is 40% smaller than the standard type fitting.

Even the ultra-small size, tube can be easily connected or disconnected.

The elliptical, ultra-small release ring is employed.

Easy to press oval release ring has been adopted for Mini series since it was launched.

Round release ring for Standard series and oval for Mini series. Designed for easy operatability.

The quick-fitting joint for ultra-thin tubing is available.

Port size ø1.8 and ø2mm type is best suitable for the pipings of small actuator etc.

As for tube diameter ø1.8 and ø2mm, 16 types are prepared.

Applicable to every pneumatic piping.

Clean-room Package, best suitable for piping in cleanroom, is available. (Optional)

Fluorine grease is applied and washed by clean air, then packed in ISO class 6 cleanroom.


Fluid medium Air
Max. operating pressure 1.0MPa
Max. vacuum -100kPa
Operating temp. range 0~60℃(No freezing)

Port size

Tube dia.

mm size(mm) φ1.8, φ2, φ3, φ10, φ6
inch size φ1/8", φ5/32", φ3/16", φ1/4"

Thread size

Metric male thread M3x0.5, M5x0.8, M6x1
Taper pipe male thread R1/8, R1/4, R3/8
Metric female thread M3x0.5, M5x0.8
UNF thread 10-32UNF
NPT thread NPT1/16, NPT1/8, NPT1/4, NPT3/8


Type & Price list

Thread & Tube connection (11 types)

Tube & Tube connection (11 types)

Tube & Fitting connection (6 types)

Fitting & Fitting connection (1 type)

Thread & Thread connection (1 type)

Plug (2 types)

Detailed Safety Instructions


1.There is no tube size indication on release ring of ø1.8mm and ø2mm. Identification between ø1.8mm and ø2mm is possible by the shape of the release-ring.

Frequently Asked Questions for Fitting Series

Inquiries about this product

It is also possible to suggest products suitable for various conditions such as applications and functions. Please feel free to contact us or visit the nearest sales office.

The following are frequently asked questions. Please check before making inquiries.