Maxims and Instructions for the Boiler Room / Useful to Engineers, Firemen & Mechanics; Relating to Steam Generators, Pumps, Appliances, Steam Heating, Practical Plumbing, etc.

by N. Hawkins

Classification of Pumps.

1st. Pumps are divided into Vertical and Horizontal.

Vertical pumps are again divided into:

1. Ordinary Suction or Bucket Pumps.
2. Suction and Lift Pumps.
3. Plunger or Force Pumps.
4. Bucket and Plunger Pumps.
5. Piston and Plunger Pumps.

Horizontal Pumps are divided into:

1. Double-acting Piston Pumps.
2. Single-acting Plunger Pumps.
3. Double-acting Plunger Pumps.
4. Bucket and Plunger Pumps.
5. Piston and Plunger Pumps.

Fig. 103.

A—Air Chamber.
B—Water Cylinder Cap.
C—Water Cylinder with Valves and Seats in.
D—Rocker Shafts, each, Long or Short.
E—Removable Cylinders, each.
F—Water Piston and Follower, each.
„—Water Piston Followers, each.
G—Rocker Stand.
H—Suction Flange, threaded.
I—Discharge Flange, threaded.
J—Intermediate Flanges, each.
K—Water Cylinder Heads, each.
L—Concaves complete, with Stuffing Boxes, each.
M—Steam Cylinder, without Head, Bonnet and Valve.
N—Steam Cylinder Foot.
O—Crosshead Links, each.
P—Steam Piston complete with Rings and Follower, each.
m—Steam Piston Head.
n—Steam Piston Follower.
Steam Piston Rings, including Spring and Breakjoint.
Q—Side Water Cylinder Bonnet, each.
R—Steam Chest Bonnet, each.
S—Steam Chest Stuffing Box Gland, each.
T—Steam Slide Valve, each.
U—Piston Rods, each.
V—Crossheads, each.
W—Rocker Arms, each, Long or Short.
X—Valve Rod Links, each, Long or Short.
Y—Steam Valve Stems, each.
Z—Steam Cylinder Heads, each.
aa—Piston Rod Nuts, each.
hh—Piston Rod Stuffing Glands, each.
ii—Water Valve Seats, each.
jj—Rubber Valves, each.
kk—Water Valve Stems, each.
ll—Water Valve Springs, each.
gg—Removable Cylinder Screws, each.
b—Steam Valve Stem Forks, each.
c—Steam Valve Stem Fork Bolts, each.
e—Valve Rod Link Bolts, each.
d—Rocker Arm Pins, each.
f—Crosshead Link Bolts, each.
o—Collar Bolts, each.
pp—Brass Steam Cylinder Drain Cocks, each.
Water Packings, each.
Brass Piston Rods, each.
Brass Lined Removable Cylinders, extra, each.
Piston Rod Stuffing Gland Bolts, each.
Water Cylinder Cap Bonnets, each.
Top Valve Caps, each.
Valve Cap Clamps, each.