UniCO2
Mechanical
- May 4, 2017
- 30
Hi - I have attached a picture of the symbol. It is the one to the left of the pH meter. Is is part of a pH water control loop. Does anyone know what it could be? The piping is 3/4" PVC SCH80. I think it is some kind of check valve w/ injection port or bleed port. Thanks in advance.