IHARA SCIENCE CORPORATION
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 size | 1/4″ | 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

| (1) | Parts name | Material |
|---|---|---|
| (2) | Body | 316L SS |
| (3) | Disc | PCTFE |
| (4) | Bellows | 316L SS |
| (5) | Gasket | 316L SS (PFA coating) |
| (6) | Bonnet | 304 SS |
| (7) | Handle | ADC12 |
| (8) | Bonnet | 304 SS |
| (9) | Cover | A5056 |
Comparison with the Conventional Model

| Manual | New model GCV | CVL | Difference | |
|---|---|---|---|---|
| Overall height | 1/4″ | 70.2 mm | 89 mm | -18.8 mm |
| 1/2″ | 81.2 mm | 94 mm | -12.8 mm | |
| Weight | 1/4″ | 220 g | 290 g | -70 g |
| 1/2″ | 320 g | 380 g | -60 g | |
| Automatic | New model GCV | CVL | Difference | |
|---|---|---|---|---|
| Overall height | 1/4″ | 71.5 mm | 97.2 mm | -25.7 mm |
| 1/2″ | 91 mm | 102.2 mm | -11.2 mm | |
| Weight | 1/4″ | 270 g | 420 g | -150 g |
| 1/2″ | 430 g | 510g | -80 g | |
Measurement Table (Manual)
![]() | ![]() |
| ||||||||||||||||||||||||
![]() |
| |||||||||||||||||||||||||
![]() |
| |||||||||||||||||||||||||
![]() |
| |||||||||||||||||||||||||
Table Measurement (Pneumatic Actuation )
![]() |
| ||||||||||||||||||||||||
![]() | |||||||||||||||||||||||||
![]() |
| ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
| ||||||||||||||||||||||||||||||||||||||||||||||||||
![]() |
| ||||||||||||||||||||||||||||||||||||||||||||||||||
Related Products
-

IHARA PSD-S Pre-Setting Device
-

IHARA MHM-MMF-MCF-MHF Metal Flexible Hose
-

IHARA VB Series Needle Stop Valves Inside Screw Type
-

IHARA PSD-H Series Hydraulic Pre-Setting Device for Steel Tube Bite Type Fitting
-

IHARA VH series Union Bonnet Needle Stop Valves for High Temperature Service
-

IHARA e1 Touch Series Fitting For Vinyl Hoses
















