Valves
Instrument Balance Valves
Feature and Application
QF-05 gauge balance valve are applied with pressure-difference transducer. QF-05 gauge balance valves function is switch off / on different pressure transmitter positive/ negative measuring room and lead-in pressure point or to switch on or switch off the positive and negative measuring room. The connecting method is to weld by the tubing.
Diagram and Connecting Dimensions
Technic Date and Material
| No. | PN | DN(mm) | Applicable Temperature (℃) | Body |
| 1 | 20MPa | 5 | -20～440 | 35# |
| 2 | -70～240 | 1Cr18Ni9Ti | ||
| 3 | 40MPa | -20～440 | 35# | |
| 4 | -70～240 | 1Cr18Ni9Ti |