TABLE OF SIZES.—PIPE CONNECTIONS.

==========+==========+==============================================

| | INSIDE DIAMETER OF PIPES.

| Delivery +-----------+------------+----------+----------

SIZE OF |in Gallons| Branch |Water Supply|Feed-Water| Live

INJECTOR | per Hour |for Exhaust| Pipe | Pipe | Steam

----------+----------+-----------+------------+----------+----------

No. 2 | 60 | 1-1/4 inch| 1/2 inch| 3/4 inch| 1/4 inch

„ 2-1/2 | 120 | 1-1/2 „ | 3/4 „ |1 „ | 1/4 „

„ 3 | 175 | 1-1/2 „ | 3/4 „ |1 „ | 1/4 „

„ 4 | 300 | 2 „ | 1 „ |1-1/4 „ | 3/8 „

„ 5 | 480 | 2-1/2 „ | 1 „ |1-1/4 „ | 3/8 „

„ 6 | 680 | 2-1/2 „ | 1-1/4 „ |1-1/2 „ | 3/8 „

„ 7 | 920 | 3 „ | 1-1/4 „ |1-1/2 „ | 1/2 „

„ 8 | 1200 | 3-1/2 „ | 1-1/2 „ |2 „ | 1/2 „

„ 9 | 1550 | 4 „ | 2 „ |2-1/2 „ | 1/2 „

„ 10 | 1920 | 4-1/2 „ | 2 „ |2-1/2 „ | 3/4 „

„ 12 | 2800 | 6 „ | 2-1/2 „ |3 „ | 3/4 „

„ 20 | 10000 |10 „ | 4 „ |4-1/2 „ |1-1/4 „

| |(OR LARGER)| | |

----------+----------+-----------+------------+----------+----------

_The ejector is a low lift pump_; it works on the same principle as

that of an injector. It has less parts than the latter and is less

expensive. The following table applies to ejectors.

Pumps and Hydraulics, Part 2 (of 2) · 第 130 / 185 题