Pipe Fittings

Updated on: February 10, 2026 1 MINUTE READ Published on: Feb 03, 2023

Piping isometrics let the pipe be drawn by which the length, width, and depth are shown in a single view. Isometrics are commonly drawn from information on a plan and elevation views. The symbols the resemble the fittings, valves, and flanges are altered to adapt to the isometric grid.

This infographic will allow you to understand the piping coordination systems symbols for isometrics to properly fit your pipes.

Pipe fitting symbols infographic detailing various piping components for industrial labeling solutions.

PIPING
COORDINATION SYSTEMS
SYMBOLS FOR ISOMETRICS

Infographic Transcription

Fittings

Elbow 90°
Elbow 45°
Tee Equal
Tee Reducing
Cap
Reducing Concentric
Reducing Eccentric

(Chart shows corresponding symbols in each symbol column; some entries are shown as “…” in the chart.)

Flanges

Rows shown:

Symbol
Image

Valves

Gate
Globe
Ball
Plug
Butterfly
Needle
Diaphragm
Y-type
Three-way
Check
Bottom
Relief
Control Straight
Control Angle

(Chart shows corresponding symbols in each symbol column; some entries are shown as “…” in the chart.)

Miscellaneous

Columns: Miscellaneous | Symbol | Image | Miscellaneous

Branch outlet Weldolet®
Branch outlet Nipolet®
Flanged branch Outlet Flangelet®
Spade — SP
Spectacle blind — SB
Hammer blind — HB
Spacer
Restriction orifice — RO
Field Weld — FW
Butt Weld
Pipe to pipe Connection
Pipe bend with Special radius — Re-
Sight glass — SG
Direction of hand Wheel/wrench (image label shown as Hand wheel)
Y-type strainer
Conical strainer
Conical strainer Built-in
Orifice assembly (typical showing position of taps)
Meter run orifice assembly (typical) flanged / butt-weld (image label shown as Meter run)