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NPO Poisk

Metal cylinders, medium BG-20-41 (20 liters) TU 1412-002-03455343-2002 (instead of TU 1412-002-03455343-97)

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Ballon BG-20-41 with a shut-off valve and gear assembly. It is used as a source of reserve oxygen in the operating WMA, St. Petersburg .

main characteristics and dimensions of the cylinder are shown in the table.


Parameter
value parameters balloon BG-20-41 to the power envelope
Armus-600
ZHSVM
mark 5 ;
RVMN13-1680-78,
RVMPN-10-1200
1. Mass of the cylinder, kg 13,0 + / -1,0 15,0 + / -1,0 20,0 + / -1,0
2. Outer diameter of the cylinder, mm 212 + / -3 220 + / -5 225 + / -5
3. The length of the cylinder from the nipple, mm
- version 1
- Version 2
890 (+5, -10)
952 + -5
4. Cylinders, l 20 + / -1
5. Thread on socket:
- version 1
- version 2
Outdoor M20 × 1,5-6g GOST 24705-81
Outdoor M24 × 1,5-6g GOST 24705-81
6. Maximum working pressure in the tank at 55S, MPa 1941
7. Pressure test for hydraulic tests of strength, MPa 51,25
8. The pressure in the pneumatic testing for leaks, MPa 41
9. Minimum pressure fracture, MPa 107
10.Temperatura operation from minus 50 and plus 50
11. Work environment Nitrogen GOST 9293-74, GOST 5583-78 Oxygen, Helium TU 51 - 940-80
12. Cylinder leakage, W no worse than 1,33 × 10 -5 degrees
13. The number of cycles of charging 50
14. Target date of service, years 1910
15. The residence time under pressure, age 1910
16. The allowable change in capacity of the cylinder when the hydraulic tests (in percentage)  4,5