Valve legend symbol

  The valve legend (valve graphical symbol) is a graphical representation of the valve in a simple graphic depiction. The valve legend plays a schematic and standard role. In general, the valve legend is not much different, but there will be some regional differences.

  The valve legend includes a legend for each type of valve, which also contains symbol information for various commonly used valves such as ball valves, butterfly valves, gate valves, and globe valves. In the professional drawing of water supply and drainage, the valve legend is an important reference.

  Different types of valve symbols are different. To help you master the symbolic representation of each valve, the following is a summary of the valve legend for everyone to review.

No.	Name	Picture
1	Gate Valve
2	Angel Valve
3	Tee Valve
4	Four-way Valve
5	Globe Valve
6	Electrial Valve
7	Hydraulic Valve
8	Pneumatic Valve
9	Reducing Valve
10	Plug Valve
11	Bottom Valve
12	Ball valve
13	Diaphragm Valve
14	Open Diaphragm Valve
15	Gas Closed Diaphragm Valve
16	Temperature Adjusting Valve
17	Pressure Regulating Valve
18	Solenoid Valve
19	Check Valve
20	Silent Check Valve
21	Butterfly Valve
22	Spring Safety Valve
23	Counterweight Relief Valve
24	Automatic Air Valve
25	Float Ball Valve
26	Time-lapse Self-closing Flush Valve
27	Drain Valve