IHARA GCV Series Bellows Valve

Product Made in Japan
Manufacturer:  IHARA SCIENCE CORPORATION
Model: GCV Series

Compact and Light Weight Below Seal Valve (1Mpa)

Features

GCV Series Bellows Seal Glove Valve is a light and compact bellows valve with excellent cost effectiveness, developed to contribute to the energy conservation and resource conservation, which is becoming a major assignment in recent days. With the basic performance equal to the conventional CVL series, it was made compact by reviewing each part. The switching indicator was also modified, making it easier to check if the valve is opened or closed.

  • High sealing performance and durability are realized by equipping with a metallic bellows seal
  • Equipped with a switching indicator making it possible to check if the valve is opened or closed with a glance
  • No impurities by precision cleaning of the parts contacting the fluid
  • Assembly and packaging in the clean room

Specification

Nominal size1/4″3/8″1/2″
Operating pressure

Vac. to 1 MPa

Operating temperature

-10 to +80 °C

Cv value

0.35

0.85

End connections (*2)

VTF (Metal gasket sealing type)

Bl-Lok (Double ferrule type)

Tube stub

Part Number Structure

Primary Material

GCV Series

(1)Parts nameMaterial
(2)Body316L SS
(3)DiscPCTFE
(4)Bellows316L SS
(5)Gasket316L SS (PFA coating)
(6)Bonnet304 SS
(7)HandleADC12
(8)Bonnet304 SS
(9)CoverA5056

Comparison with the Conventional Model

ManualNew model GCVCVLDifference
Overall height1/4″70.2 mm89 mm-18.8 mm
1/2″81.2 mm94 mm-12.8 mm
Weight1/4″220 g290 g-70 g
1/2″320 g380 g-60 g
AutomaticNew model GCVCVLDifference
Overall height1/4″71.5 mm97.2 mm-25.7 mm
1/2″91 mm102.2 mm-11.2 mm
Weight1/4″270 g420 g-150 g
1/2″430 g510g-80 g

Measurement Table (Manual)

VTF (Male)

(mm)
ModelSizeLHh
GCV-4VM1/4″5859.211
GCV-8VM1/2″6565.216

 

VTF (Female)

(mm)
ModelSizeLHh
GCV-4VF1/4″70.659.211
GCV-8VF1/2″8265.216

 

Bl-Lok

(mm)
ModelSizeLHh
GCV-4D1/4″6459.211
GCV-6D3/8″7765.216
GCV-8D1/2″82.665.216

 

Tube stub

(mm)
ModelSizeLHh
GCV-4TW1/4″10059.211
GCV-6TW3/8″11065.216
GCV-8TW1/2″11065.216

Table Measurement (Pneumatic Actuation )

VTF (Male)(mm)
ModelSizeLHhW
GCV-4VM-NC/NO1/4″5860.51138.5
GCV-8VM-NC/NO1/2″65751644.5
VTF (Female)
(mm)
ModelSizeLHhW
GCV-4VF-NC/NO1/4″70.660.51138.5
GCV-8VF-NC/NO1/2″82751644.5
Bl-Lok (mm)
ModelSizeLHhW
GCV-4D-NC/NO1/4″6460.51138.5
GCV-6D-NC/NO3/8″77751644.5
GCV-8D-NC/NO1/2″82.6751644.5
Tube stub
(mm)
ModelSizeLHhW
GCV-4TW-NC/NO1/4″10060.51138.5
GCV-TWD-NC/NO3/8″110751644.5
GCV-8TW-NC/NO1/2″110751644.5

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