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The plug is the male half of the 280 Cupla and carries its own shut-off valve that closes the line as soon as the pair is separated. It enters the socket and is held there by the locking sleeve. Maximum tightening torque runs from 28 Nm at 1/4 inch to 180 Nm at 1 inch. Model 280-2P, Port size R 1/4, steel, Seal material NBR.
Quick connect coupling 280 Cupla 280-2P, R 1/4, steel - Nitto Kohki 432102200
NITTO KOHKI
Original product
Net price (excl. VAT)
€22.99
Item
NKH-432102200
Manufacturer no.
432102200
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Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.432102200
ConditionNew
Article
NKH-432102200
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Hydraulic circuits in the 300 bar class need a coupling that takes pressure impacts and still adds little pressure loss. The 280 Cupla works at 31.5 MPa in 1/4 and 3/8 inch and at 27.5 MPa in 1/2, 3/4 and 1 inch, and it complies with the international standard ISO 7241-1A.
- Working pressure of 31.5 MPa in sizes 1/4 inch and 3/8 inch and 27.5 MPa in 1/2 inch, 3/4 inch and 1 inch, made for high pressure hydraulic lines.
- Built to ISO 7241-1A, so the interface follows an internationally defined profile.
- Special steel body with bright chromate conversion coating in silver plus additional quenching to withstand hydraulic pressure impacts.
- Minimum cross-sectional area from 11.4 mm2 on 280-2SP up to 235.6 mm2 on 280-8SP, with low pressure loss for applications that need high flow rates.
- Automatic shut-off valves in both socket and plug prevent hydraulic oil from spilling out on disconnection.
- Air admixture on connection of 0.37 mL on 280-2SP up to 16.04 mL on 280-8SP, with an NBR seal for -20 °C to +80 °C.
Technical data
| Model | 280-2P |
|---|---|
| Coupling part | plug |
| Port size | R 1/4 |
| Body material | steel |
| Seal material | NBR |
| Working pressure | 27.5 to 31.5 MPa (315 bar) |
| Valve structure | Two-way shut-off |
| Article number | 432102200 |
Applications
- Hydraulic pressure control equipment operating up to 31.5 MPa
- General hydraulic engineering where an ISO 7241-1A interface is specified
- High flow lines in which the pressure loss across the coupling has to stay low
- Installations exposed to hydraulic pressure impacts, which the quenched special steel body is made for
- Vacuum service down to 1.3 Pa, released for the coupled pair only and not for socket or plug on its own
Compatibility
Different sizes cannot be connected. There is no interchangeability between 280 Cupla and HSP Cupla or 210 Cupla, and these parts must not be coupled even where some sizes are approximate.
Standards and compliance
The 280 Cupla complies with the international standard ISO 7241-1A.
| Norm | ISO 7241 |
|---|---|
| Manufacturer Nr. | 432102200 |
| Manufacturer | Nitto Kohki |
| Weight | 0.050000 |
| GPSR manufacturer information | Nitto Kohki Europe GmbH, Gottlieb-Daimler-Str. 10, DE-71144 Steinenbronn, www.nitto-kohki.eu |
| Article authenticity | Original product |
| Condition of article | New |
| Material | Steel |
| Betriebsdruck max [bar] | 315.000000 |
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