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ISO9001 VALVE DIV.HIRAKATA PLANT
ISO9001
VALVE DIV.HIRAKATA PLANT
ISO14001 HIRAKATA PLANT
ISO14001
HIRAKATA PLANT
Model: BT-A

Rubber Seated Butterfly Valves
Nominal Diameter:
200-1500mm
Nominal Pressure:
0.45MPa, 0.75MPa, 1.0MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Seat:
Synthetic Rubber




Model: BT-AJ

Tailed Disc Butterfly Valves
Nominal Diameter:
300-1500mm
Nominal Pressure:
0.45MPa, 0.75MPa, 1.0MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Seat:
Synthetic Rubber
Note:
Generally bypass valve is necessary in pipeline. If you install "Tailed Disc Butterfly Valve", you have no need to install bypass valve and bypass line. Long holes on "Tailed Disc" are substitute for bypass valve and we can fill water by use them. "Tailed Disc Butterfly Valve" is equal to "Disc-in-Disc Butterfly Valve".

Model: BT-AS/BT-AK

Earthquake-proof Rubber Seated Butterfly Valves
Nominal Diameter:
200-450mm(BT-AS)
500-900mm(BT-AK)
Nominal Pressure:
0.75MPa, 1.0MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Seat:
Synthetic Rubber


Model: BT-AR

Rubber Seated Butterfly Valve with a flange adaptor
Nominal Diameter:
200-1000mm
Nominal Pressure:
0.75MPa, 1.0MPa, 1.6MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Seat:
Synthetic Rubber

Note:
Model BT-AR Butterfly Valves with a flange adaptor is suitable for replacing the existing valve. Face to face length can be adjustable from (-40mm) to (+20mm). (e.g. DN1000) Gradient of pipeline can be adjustable until 2.0 degree. (e.g. DN400)

Model: BS-HBC

Metal Seated Butterfly Valves
Nominal Diameter:
200-1500mm
Nominal Pressure:
0.45MPa, 0.75MPa, 1.0MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Disc Seat:
Special Stainless Steel
Note:
Kubota Metal Seated Butterfly Valves has unique seat design for tight shut off and long service life. The stainless seat is composed to ductile cast iron by means of internal chill casting.

Model: BS-HDC

Vane Metal Seated Butterfly Valves
Nominal Diameter:
300-1500mm
Nominal Pressure:
0.75MPa, 1.0MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Disc Seat:
Special Stainless Steel
Note:
Toothed Vane Metal Seated Butterfly Valves are used to control the flow and can be reduced the cavitation by toothed vane of the disc of the valve.

Model: BS-ACW

Rubber Seated Butterfly Valves
Nominal Diameter:
350-1000mm
Nominal Pressure:
1.6MPa
Materials
Body:
Ductile Cast Iron(FCD450-10)
Disc:
Ductile Cast Iron(FCD450-10)
Stem:
Stainless Steel(SUS403)
Seat:
Synthetic Rubber
Note:
Model BS-ACW Butterfly Valves employ eccentric disc, and also control the flow in both directions with excellent shut off even under high pressure. The disc is the biplane type, therefore loss coefficient is low.

Model: BS-IS

Wafer Type Butterfly Valves
Nominal Diameter:
50-800mm
Nominal Pressure:
1.0MPa
Materials
Body:
Cast Iron FC250
Disc:
Ductile Cast Iron FCD450-10
Stem:
Stainless Steel SUS403
Seat:
Synthetic Rubber
Note:
Model BS-IS Butterfly Valves is very compact, light in weight and economical for installation. The body seat is integrally vulcanized and has a excellent shut off and long service life.

Model: SX-T/SF-T

Resilient seated gate valves
Nominal Diameter:
50-300mm(SX-T)
350-500mm(SF-T)
Nominal Pressure:
0.75MPa, 1.0MPa, 1.6MPa
Materials
Body:
Ductile Cast Iron FCD450-10
Disc:
Ductile Cast Iron FCD450-10(Vulcanized with EPDM rubber)
Stem:
Stainless Steel SUS403

Model: BS-F

Short Double Flanged Butterfly Valves
Nominal Diameter:
1000-2600mm
Nominal Pressure:
0.45MPa
Materials
Body:
Cast Iron FC250, FCD450-10
Disc:
Cast Iron FC250, FCD450-10
Stem:
Stainless Steel SUS304, SUS420J2, SUS403
Seat:
Synthetic Rubber
Note:
For convenience of installation the weight of the valve is minimized by making the face-to-face dimension is short. The valve body’s inside is rubber lined and the sealing around the stem is designed to give perfect seal

Model: GS-RJ/GR-RJ

Sluice Gate
Nominal Diameter:
200-3000mm
Materials
Frame:
Cast Iron FC200
Slide:
Cast Iron FC200
Stem:
Stainless Steel SUS304
Frame Seat:
Stainless Steel SUS304
Slide Seat:
Gun Metal CAC406
Note:
A large size, square and disc shaped sluice gate with outside stem screw. Controlled by a headstock operated by hand, hydraulic pressure, oil pressure or electric motor. An extra large size version is available with duplex headstock.

Model EN-STA

Emergency shutoff valves
Nominal Diameter:
200-1000mm
Design Pressure:
valve: 0.75MPa, 1.0MPa
Counter weight: 0.15MPa
Materials
Body:
Ductile Cast Iron FCD450-10
Disc:
Ductile Cast Iron FCD450-10
Stem:
Stainless Steel SUS403
Seat:
Synthetic Rubber
Note:
Mpdel EN-STA is emergency shutoff valve. When the valve receives a emergency signal from flow meter, level meter and seismograph and so on, the valve shall be closed by the counter weight automatically, then the water in storage is protected.




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KUBOTA OFFICES
Tokyo head office(International Operations Dept.):
1-3,Nihonbashi-muromachi 3-chome,Chuo-ku,Tokyo 103-8310,Japan


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