PIPING

D. PIPING ILLUSTRATIONS

Piping Symbol Legend

 

circulator

pressure reducing valve

 

(w/ isolation flanges)

 

 

 

circulator w/

 

 

integral flow check)

 

 

 

diff. pressure bypass

 

gate valve

 

 

globe valve

anti-scald rated

 

 

mixing valve

 

ball valve

 

 

 

pressure gauge

 

swing-check valve

 

 

flow-check valve

4-way motorized

 

mixing valve

 

spring-loaded check valve

3-way motorized

Munchkin heater

 

 

mixing valve

 

hose bib / boiler drain

 

 

 

pressure relief valve

 

thermostatic radiator valve

 

 

TRV (straight)

backflow preventer

 

 

 

thermostatic radiator valve

 

 

TRV (angle)

float -type

 

 

 

 

air vent

 

circuit setter

union

 

 

 

manual 3-way valve

 

 

 

heat exchanger

 

zone valve

 

 

air separator

vacuum breaker

Super Stor

 

 

 

indirect DHW tank

diaphragm-type

 

 

expansion tank

 

 

 

radiant manifold

 

Fig. 5-2

 

 

20

Page 20
Image 20
Munchkin 399M manual Piping Symbol Legend, Piping Illustrations