Chicago House Wrecking Company · Chicago House Wrecking Company · leaf 29
he heatand thiscloses the valves and prevents any steam from escaping. We always place automatic air valves at the end ofeach main, as shown in Figure 76. We also provide elbows to be placed at thesepoints with a tapping in the back so that the airvalve can be screwed right in here. The steam gauge… … 2ND FLOOR KflTX
