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EATON Danfoss GH781 Series Rubber Hydraulic Braided Hoses
Eaton Danfoss GH781 Series double-ply braided hoses are made of nitrile to aid in high-pressure hydraulic systems with petroleum and water-glycol-based fluids.
A| Style | Model | Dash Size | Hose Inside Dia. | Hose Length | Hose Outside Dia. | Min. Bend Radius | Operating Pressure | Price (ex. VAT) | |
|---|---|---|---|---|---|---|---|---|---|
| A | GH781-4R250 | 4 | 1/4" | 250,Multiple Lengths | 0.53" | 2" | 6500 PSI | €2,160.07 | |
| A | GH781-6R250 | 6 | 3/8" | 250,Multiple Lengths | 0.69" | 2.5" | 5300 PSI | €2,389.32 | |
| A | GH781-8R250 | 8 | 1/2" | 250,Multiple Lengths | 0.81" | 3.5" | 4500 PSI | €2,867.38 | |
| A | GH781-10R250 | 10 | 5/8" | 250,Multiple Lengths | 0.93" | 4" | 4000 psi | €4,027.12 | |
| A | GH781-12R250 | 12 | 3/4" | 250,Multiple Lengths | 1.1" | 4.75" | 3500 psi | €4,407.58 | |
| A | GH781-16R150 | 16 | 1" | 150,Multiple Lengths | 1.42" | 6" | 3000 psi | €3,391.84 |
Features
- These hoses come with TTC (Through-The-Cover) type fittings that allow easy identification for crimping on the hose to provide oil-tight sealing.
- These fittings feature Dura-Kote plating technology that provides up to 1000 hours of corrosion protection which is 3 times more than standard hose fittings.
- They can withstand a maximum temperature and burst pressure of 258.8 F and 20000 psi, respectively.
Standards and Approvals
- ABS
- BV
- DNV
- LR
- MED
- BWB
- USCG
- EN45545
- MSHA
Frequently Asked Questions
What is braiding in hoses?
The braid is made by weaving steel wires on the periphery of a flexible hose to prevent elongation of the flexible hose under extreme pressures and high temperatures.
What are double wire braid hoses?
Double-wire braided hoses are composed of synthetic rubber lining of oil-resistant, two-wire braid reinforcement, separated by a synthetic rubber layer and a synthetic cover. This construction provides extra support during high pressures if the hose cover has been damaged or the exterior braid is prone to rust / failure, making the internal braid still available for protecting the hose against environmental damage.
How to replace a hydraulic hose?
- Release pressure out of the hydraulic system before any further operation as the pressure could result in injuries from hydraulic fluid sprays.
- Place a bucket or sheet beneath the component to prevent contamination of the work area from fluid leaks when replacing the hose.
- Remove the covering from the hose attachment.
- Clean connectors on both sides of the hose.
- Unscrew the fittings by using a wrench.
- Now replace the hose and follow the above-mentioned steps to screw back the hose fitting.
- Once done, test the hydraulic systems under low pressure.
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