1) 15mm diameter model:
i) (upright): installed upward
ii) (pendent): installed downward
iii) (conventional): installed both upward and downward
iv) (sidewall): installed sideward
Specifications:
a) Airproof test pressure: 3Mpa
b) Rated working pressure: 1.2Mpa
c) Thread: R1/2
d) Coefficient: 80
e) Flow calculation: Q=K√10P (P=working pressure)
f) Large coverage glass bulb sprinkler
2) 20mm diameter model:
i) (pendent): installed downward; protected area: 4.9 x 4.9m2
ii) (sidewall): installed sideward; protected area: 4.9 x 6.7m2
Audited Supplier 
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