Vacuum piping parts｜Products｜IRIE KOKEN CO., LTD.

Vacuum piping partsProduct catalogCAD drawing

IRIE KOKEN is standardized in the VP series for vacuum piping (10 sizes) and the HP series for high-pressure piping (8 sizes) as easy-to-handle piping joints for NW-KF flanges that conform to ISO standards.

Features

Parts for vacuum piping (VP series)

- Requiring no bolts or nuts, they can be easily attached/detached by simply turning the screw nut after fitting the tapered portion inside the coupling to the tapered portion of the flange.

- The allowable heating temperature is up to 150°C.

- The He leak rate is 1×10^-9Pa·m³/s or less.

Parts for high-pressure piping (HP series)

- With respect to high-pressure piping specifications, the working pressure is 0.49MPa or less.

List of products

Flanged pipes
- NW flanges are welded to the ends of pipes
- common from size to size.
- Sizes from NW10 to NW100 are supported.
- Nipples/ Elbows/ Tees
- Crosses/ Reducers
Pipe parts
- These parts are used for welding to the ends
- of your own pipe.
- Sizes from NW10 to NW160 are supported.
- Weld stub flanges/ Block flanges
- Seal ports
Clamps
- These clamp parts are necessary for connecting
- NW flanges.There are two types:
- for vacuum and for high pressure.
- Clamps for vacuum（belt clamps）
- Center rings for vacuum (with/without wire cloth)
- Clamps for high pressure
- Center rings for high pressure
Flexible tubes
- Flexible tubes are relatively small-diameter
- bellows used for piping of equipment that
- can be bent flexibly.
- Flexible tubes
L-shape valves (angle valves)
- IRIE KOKEN’s high-vacuum angle valves are
- long lifetime vacuum valves with built-in
- formed or welded bellows with a long
- performance record of success.
- L-shape valves (angle valves)

IRIE KOKEN CO., LTD.Designers and manufacturers of Vacuum Bellows,
Vacuum Valves, and Vacuum Equipment

Vacuum piping partsProduct catalogCAD drawing

Features

Parts for vacuum piping (VP series)

Parts for high-pressure piping (HP series)

List of products

Example of using piping

IRIE KOKEN CO., LTD.Designers and manufacturers of Vacuum Bellows,Vacuum Valves, and Vacuum Equipment

Vacuum piping partsProduct catalogCAD drawing

Features

Parts for vacuum piping (VP series)

Parts for high-pressure piping (HP series)

List of products

Example of using piping

IRIE KOKEN CO., LTD.Designers and manufacturers of Vacuum Bellows,
Vacuum Valves, and Vacuum Equipment