Salvage inflatable yacht rescue raft of the dropable type for inland and mixed (river-sea) navigation vessels PSNYA-4, PSNYA-4 C

Rescue inflatable yacht life rafts of the dumped type for inland and mixed navigation vessels with a capacity of 4 persons are intended for use as collective rescue means for passengers and crew of surface vessels of inland and mixed (river-sea) navigation.
Inflatable life rafts meet the requirements of the Rules of the Russian River Register of Shipping, technical regulations "On safety of marine transport objects".
Inflatable life rafts can be operated in the temperature range:
- ambient air from minus 30oC to plus 65oC;
- sea water from minus 1 to plus 30??.
- fresh water from 0 to plus 30??.
The construction of the raft is such that after dropping it on the water from a height of 10m, the raft and its equipment work satisfactorily.
The raft consists of the following components:
- buoyancy chamber;
- bottom;
- awning;
- gas filling system.
The buoyancy chamber is divided into two separate compartments, each inflated through its own....