亚洲高清毛片一区二区,av无码精品一区二区三区四区,国产精品丝袜黑色高跟鞋,在熟睡夫面前侵犯我在线播放

VC273D TYPE PRESSURE RELIEP URLUE

working principle

Vc273d pressure safety valve is an essential equipment to protect the dust remover on the top of the silo and the safety of the silo. When the pressure in the silo is too high or too low and reaches the preset value, the pressure safety valve will automatically open to balance the pressure inside and outside the silo.

After the pressure returns to normal, the pressure safety valve automatically resets through machinery, and there is no need for manual operation in the whole process.

Product Characteristics

● High strength carbon steel for the valve body and surface spraytreatment.

● High strength throat hoop connection is adopted for the convenience of installation and maintenance.

● Positive pressure range: 280 ~ 1000mmH?O

● Negative pressure range:- 20~- 120mmH?O

● Factory setup: 500/- 20mmH?O

Specification parameters