Decompression Chamber for Divers

Decompression Chamber Specification

A. Technical standards
1. GB/T 150-2011 "Pressure Vessel" 2. NB/T47013-2015 "Non-destructive testing of pressure equipment" 3. Refer to GB/T16560-2011 "Deck Decompression Chamber" B. Equipment function
It is used for pressure exercise of divers, water decompression for diving
operations, and life-saving protection. C. The main technical parameters of the equipment
1. Equipment name: JY1500-1 decompression chamber;
2. Structure: one cabin, two rooms and three doors;
3. The light transmission diameter of the cabin door: φ700mm;
4. Working pressure: 0.9MPa;
5. Working temperature: 30℃;
6. Hull specifications: (inner diameter x length) φ1500x3800mm;
7. Treatment Capacity:4 Persons
8. DN250 Delivery lock: 1 in the main cabin;
9. Three observation windows of φ150mm: two in the main cabin and one in the transition cabin;

10. 3 sets of φ150mm lighting windows (with lighting lamps): 2 main
cabins, 1 transition cabin;
11. 2 Sets of φ100mm camera windows (with camera): 1 main cabin, 1transition cabin;
12. 4 sets of breathing regulators: 3 sets in the main cabin and 1 set in the transition cabin;
13. Two emergency calls: one in the main cabin and one in the transition cabin;
14. Two environmental pressure gauges in the cabin: one in the main cabin and one in the transition cabin;
15. Two thermometers in the cabin: 1 in the main cabin and 1 in the
transition cabin;
16. Two microphones in the cabin: 1 in the main cabin and 1 in the
transition cabin;
17. Two speakers in the cabin: 1 in the main cabin and 1 in the transition cabin;
18. Two sets of seats in the cabin: one set of long strip seats in the main cabin and one set of single seats in

D. Anti-fire protection system
The main cabin and the transition cabin are equipped with a non-toxic fire extinguisher each.
E. Piping system
1. The oxygen suction and exhaust devices in the cabin and their pipelines and valves are all exposed, which is convenient for use and maintenance;
2. Each cabin is equipped with two sets of pressurized pipelines, which is convenient for users to connect with two independent pressurized air
sources
F. Control system
1. The operation and execution of the cabin system can be centrally
controlled by the control center, and the control panel is placed on the cabin to save the user's operating space;
2. The instruments and meters of the control center are equipped with labels to indicate their purpose or working status;
3. The valve marking function and normal position and opening direction of the control

G. Main technical performance indicators
1. The diameter of the pressurizing pipeline and the pressurizing valve
meet the requirements of the pressurizing rate of 0.3MPa/min (calculated
based on the residual pressure of the gas supply of 0.8MPa);
2. The breathing resistance of the mask in the cabin: the inhalation resistance is not less than -400Pa, and the exhalation resistance is not more than 300Pa;
3. The maximum air supply noise in the cabin ≤90dB(A);
4. Cabin lighting: the center illuminance in the cabin is not less than 100 lx, and the average illuminance