Low pressure up to 19 bar
Full Blow Cupla
The Nitto Kohki Full Blow Cupla (FBH series) is a quick coupling in aluminium with an NBR seal, designed for full-flow blow-off operation without an internal check stop. The unobstructed bore allows higher flow rates at lower pressure drop than standard couplings. The series covers sizes 20, 30, 40, 65, 80, 85 and 110 in hose-barb (SH), male thread (SM), female thread (SF) and threaded connection (SN) configurations.
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Buying guide
How to choose Full Blow Cupla
What matters when choosing: properties, comparison and typical applications.
Technical Features
FBH Series Variant Overview
| Type | Material | Seal | Connection |
|---|---|---|---|
| FBH-20SH / 30SH / 40SH | Aluminium | NBR | Hose barb, sizes 20/30/40 |
| FBH-20SM / 30SM / 40SM | Aluminium | NBR | Male thread, sizes 20/30/40 |
| FBH-20SF / 30SF / 40SF | Aluminium | NBR | Female thread, sizes 20/30/40 |
| FBH-65SN / 80SN / 85SN / 110SN | Aluminium | NBR | Threaded end, sizes 65/80/85/110 |
Typical Applications
Typical applications: High-flow compressed air blow-off tasks such as blow guns, blowdown fixtures on production machines, air drying of components after washing, conveying air transfer points, and compressed air installations where minimum coupling pressure drop directly affects the efficiency of the downstream tool.