Gravel extraction: KROGER grabs dredgers and rope extravators allow you to extract gravel and sand from rivers or lakes and have been used for this purpose in the toughest conditions across Europe for over 50 years. Thanks to our maintenance-free underwater motor and ropemechanical grab systems, you can extract gravel and sand in new locations whilst complying with environmental regulations and increasing your profitability. Our grabs are particularly suitable for use on difficult terrain and at extreme depths. Our latest record also bears witness to this: our experience paid off when KROGER grab became the European champion with a dredging depth of 177 meters during excavation in Lake Lucerne. Reliability matters – even when extracting gravel and sand at new depths.
Italy
In the marine sector, as in the infrastructure sector, the ability to operate in salty and highly corrosive environments is crucial, which is why materials such as stainless steel and double nickel and chrome coatings are often required for certain applications. Here are some application examples of cylinders that have been manufactured specifically for this area of use. HIDROMEC develops hydraulic cylinders and systems for maritime applications that are reliable, durable and comply with the relevant environmental standards.
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Internal and external skiving - efficient and clean! The USM 150 is a stable machine for skiving up to 5" hoses. The double-skiving tool with reinforced mandrels can be controlled separately or simultaneously without changing the tool.
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Working range Blind rivets above 6,4 mm Ø all materials and lockbolts up to10 mm Ø with corresponding pulling heads Technical data Weight: 3.4 kg Operating air pressure: 5-7 bar Air hose connection: 6 mm Ø (1/4’’) Air consumption: approx. 6.9 ltr. per rivet Traction power: 50.000 N at 7 bar Stroke: 15 mm Equipment 1 hydraulic oil bottle 100 ml 1 oil refi ll can Operating instructions with spare parts list
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