| 出生地 |
Zhejiang China (Mainland) |
| 牌子的名字 |
tiantong |
Fire sprinkler Valve different type: pendant type, upright type, ordinary type, sidewall horizontal type. Concealed typespecification:(1) rated working pressure: 12 bars(1.2Mpa) (2) airproof test pressure: 24bars(2.4Mpa) (3) strength test pressure: 30bars(3Mpa) (4) thread: 1/2”,3/4” (5) flux coefficient: 80,115 (6) large coverage glass bulb sprinkler (7) 20mm diameter model: T-ZSTX20(pendent): installed downward, protected area: 4.9m2 x 4.9m2