The hose is heavy duty robust in construction and used for suction and discharge of sand and water at a high pressures. The rubber inner lining is abrasion resistance of sand & gravel with woven fabric/nylon reinforcement and shall incorporate one or two galvanised wire helix embedded in layers of rubber compound.
• For hoses having 100 mm nominal bore the maximum length shall be 15 metres.
• Above 100 mm nominal bore to 200 mm nominal bore the maximum length shall be 7.5 metres.
• Above 200 mm to 300 mm nominal bore hoses maximum length shall be 6.0 metres.
• The tolerance on the hose length shall be +2%.
Sand and Gravel Suction and Discharge hose suitable for maximum working pressure of 7, 10 and 15 Kg/Cm2. The proof pressure test being 1.5 times of working pressure.
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