3.The detailed specification information :

TF-A12/15

The amount of discharge wind 7001500m3/h

operate hole wind speed 0.30.7m/s

resistance 512mmH2O

operate hole size TF-A12 900×900 TF-A15 1200×900

external size TF-A12 1200×800×2350 TF-A15 1500×800×2350

gate opening form High and low on rollers

illumination 20W daylight lamp

structural style: Split type

TF-B12

the amount of discharge wind 7001500m3/h

operate hole wind speed 0.30.7m/s

resistance 512mmH2O

operate hole size TF-A12 900×900 TF-A15 1200×900

external size TF-A12 1200×800×2350 TF-A15 1500×800×2350

gate opening form High and low on rollers

illumination 20W daylight lamp

structural style: Split type

TF-C15

the amount of discharge wind 7001500m3/h

operate hole wind speed 0.30.7m/s

resistance 512mmH2O

operate hole size TF-A12 900×900 TF-A15 1200×900

external size TF-A12 1200×800×2350 TF-A15 1500×800×2350

gate opening form High and low on rollers

illumination 20W daylight lamp

structural style: Split type

TF-E12/15

the amount of discharge wind10801400 m3/h

operate hole wind speed 0.30.7m/s

resistance 512mmH2O

operate hole size1200×1000(E12) 1500×1000(E15)mm

external size (A×B×H) 1200×750×2350(E12) 1500×750×2350(E15)mm

BTF-A12/15

the amount of discharge wind 6901830(A12)m3/h 8802350(A15)m3/h

operate hole wind speed  0.30.8m/s

resistance 512mmH2O

operate hole size1200×1000(A12) 1500×1000(A15)mm

external size (A×B×H) 1200×750×2550(E12) 1500×750×2550(E15)mm

BTF-B12

the amount of discharge wind 7001500(A12)m3/h

operate hole wind speed 0.30.7m/s

resistance 512mmH2O

operate hole size1050×650mm  

gate opening form High and low on rollers

illumination 30W daylight lamp