制造商 — Pipe Fittings
Insulated Tee with Ball Valve for Air Duct, St 20 (GOST 8732-78) 32x4.0 - 25 - 1 - PPU PE
Insulated Tee with Ball Valve for Air Duct, St 10 - St 20 (GOST 10704-91/10705-80) 219x5.0 - 32 - 1 - PPU PE - ZMKV
Insulated Tee with Ball Valve for Air Pipeline, St 09G2S (GOST 8732-78) 76x5.0 — 32 - 2 - PPU PE - ZMKV