Shaft Size 
1m*1m 
1m*1.5m 
1m*1.75m 
1m*2m 
1.25m*2m 
2000
bricks

3000
bricks

3500
bricks

4000
bricks

5000
bricks

9,00,000
bricks 
13,50,000
bricks 
15,75,000
bricks 
18,00,000
bricks 
22,50,000
bricks


Production
capacity per day
@ 11 batches per day 
Production
capacity per annum with two shafts 
Specific Energy
Consumption 
0.72 to 0.95 MJ/kg.
of fired bricks equivalent to 7 to 13 tonnes of coal
per 1.00.000 fired bricks 
Emissions from
stack 
SPM:22
to 37 mg/Nm3 
SO2 :38
to 51 mg/Nm3 

Compressive
strength of bricks 
70 to 115 kg/cm2
(hand moulded bricks),
125 to 300 kg/cm2 (Extruded
bricks) 
Cost of
construction of a 2shaft klin 
About Rs.5 to
5.5 lakhs, excluding ramp construction 
Construction
time 
About 6 Weeks 