This section gives you some idea about some of the most common terms used in pipe fittings and flanges.
| A | B | C | E | F | G | H | I | J | L |
| M | N | O | P | R | S | T | U | W |
|
A
|
|
Adapter: A
fitting needed for changing from one type of end condition to
another. ANSI: American National Standards. A piping specification. ASME: American Society of Mechanical Engineers. A piping specification. ASTM: American Society for Testing Materials. A piping specification. Ambient Temperature: The average temperature of the atmosphere in the area of an appliance. Aqueous: Containing water |
|
B |
|
Ball valve:
Opens by turning a handle attached to a ball inside the valve. BSP: British Standard Piping. A piping specification. Bushing: A pipe fitting, threaded on both the inside and outside, used for joining pipes with different diameters together. Bulkhead fitting: Used to attach flexible pipes with the help of male adapters. |
|
C |
|
Coupling:A
fitting that joins two pieces of pipe. Cast Iron: Metal formed by casting in molds. Compression Fitting: A sealed pipe connection without soldering. Cross: Used for 4-way branch connections. |
|
E |
|
Elbows:
Change direction of pipe. |
|
F |
|
Ferrule:
Consists of a circular clamp which is used to hold together. Female thread: Threaded on the outside. Flange: A type of pipe fitting that connects via nuts and bolts. |
|
G |
|
Gate valve:
It is a type of valve having a gate that moves perpendicular to flow
of the service. Globe valve: Linear motion valves with spherical design. |
|
H |
|
Hollow plug:
A hollow plug is a valve used to restrict or prevent the flow of a
liquid or gas through a pipe. Hex plug: The hex pipe plug is threaded in the end and the top of the plug takes a hexagon shape. |
|
I |
|
I.D.:
Inside diameter. All pipes are sized according to their inside
diameter. |
|
J |
|
Joint thread:
A connection in which the internal and external fittings are
threaded and they are also screwed together. |
|
L |
|
Lap joint flange:
Flanges are used on piping fitted with with lapped pipe or with lap
joint stub ends. |
|
M |
|
Male thread:
Threaded on the inside. |
|
N |
|
Nipple: A
length of straight pipe with male threads on both ends. |
|
O |
|
O.D.:
Outside diameter. All pipes are sized according to their outside
diameter. Orifice flange: Flanges where orifice plate or flow nozzle is used. |
|
P |
|
Pipe fittings:
Available in various shapes, sizes and materials, they are used to
connect pipes. Plug: Cap end inserted into the end of tubing to dead-end the flow. |
|
R |
|
Reducer: A
fitting that connects pipes of different sizes. Rigid coupling: Used to connect rotating members such as shafts. |
|
S |
|
Sanitary Fitting:
Fittings used to join the assorted pipes in a drain, waste and vent
system. Sleeve: A fitting with a base plate and attached to a sleeve portion. Stop Valve: A valve that controls the flow of water. |
|
T |
|
Tee: A
T-shaped pipe fitting with three openings used to create branch
lines. |
|
U |
|
Union:
Three-piece fitting that joins two sections of pipe and they also
can be disconnected without cutting the pipe. |
|
W |
|
Wye: A
Y-shaped fitting with three openings used to create branch lines. |