Common propeller : simple structure, in the low-speed efficiency is generally higher. Energy loss from normal propeller propulsion: 1.2% . Loss of axially induced velocity. This kind of loss can not be completely avoided when the propeller works as the propeller, but it can be reduced as much as pos

How it works: pneumatic rope thrower is a high-pressure gas driven linear rope thrower system, does not involve explosives, and no spark or flame. The simple working principle and process are as follows: firstly, the air input from the external gas compressor to the cylinder of the rope thrower, so

Marine Electric Heating Hot Water Tank

water bag is a new type of multipurpose weight test product. Compared with the traditional weighing products, such as heavy weight and inconvenient transportation, the new multifunctional weighing water bag has its own advantages. It is foldable, light in weight, small in size, small in occupied spa

Fire monitor is an important fire fighting equipment for long-distance fire fighting. Fire monitor is divided into fire monitor (PS) and fire foam monitor (PP). Fire monitor is a fire-fighting equipment that sprays water to extinguish general solid substances from a long distance, and fire monitor f

Heat Resistant Suit

Long Tube Air Breathing Apparatus

Immersion Suit

Operation instructions for launching and boarding life raft1. Unplug the safety pin on the raft frame, and manually open the manual release device of the hydrostatic pressure releaser (unlock the automatic inflation system).2. Untie the cable tied to the automatic release device.3. Untie the fixed r