Spherical mushroom vents
Spherical mushroom vents are used in marine passive ventilation and air conditionшng systems. There are two types of them: with upper and lower valve handle. All inner passage sizes suit GOST 8468 standards.
Spherical mushroom vents are produced according to working drawings, OST 5.5220, RMRS 240712.001TU (23.01.2019) and RRR 240712.001ТTU (02.04.2014) requirements. RRR and RMRS certificate is available upon request.
Specifications
| Pipe dia | Valve travel | Valve handle rotations per travel | Part number | |||
| upper valve control handle | lower valve control handle | |||||
| steel | aluminum alloy | steel | aluminum alloy | |||
| 100 | 40 | 10 | 541-03.313 | 541-03.315 | 541-03.314 | 541-03.316 |
| 125 | 50 | 12,5 | 541-03.313-01 | 541-03.315-01 | 541-03.314-01 | 541-03.316-01 |
| 150 | 60 | 15 | 541-03.313-02 | 541-03.315-02 | 541-03.314-02 | 541-03.316-02 |
| 175 | 70 | 17,5 | 541-03.313-03 | 541-03.315-03 | 541-03.314-03 | 541-03.316-03 |
| 200 | 80 | 20 | 541-03.313-04 | 541-03.315-04 | 541-03.314-04 | 541-03.316-04 |
| 250 | 100 | 25 | 541-03.313-05 | 541-03.315-05 | 541-03.314-05 | 541-03.316-05 |
| 300 | 120 | 30 | 541-03.313-06 | 541-03.315-06 | 541-03.314-06 | 541-03.316-06 |
| 350 | 140 | 28 | 541-03.313-07 | 541-03.315-07 | 541-03.314-07 | 541-03.316-07 |
| 400 | 160 | 32 | 541-03.313-08 | – | 541-03.314-08 | – |
| 450 | 175 | 29 | 541-03.313-09 | – | 541-03.314-09 | – |
| 500 | 200 | 33 | 541-03.313-10 | – | 541-03.314-10 | – |
| 600 | 240 | 40 | 541-03.313-11 | – | 541-03.314-11 | – |
