1, why cut-off valve should try hard seal? Cut off the valve requires the lower the better leakage, soft-sealing valve leakage is the lowest, of course, cut off the effect, but not wear-resistant, poor reliability. From the leakage is small, sealed and reliable double standards, the soft seal c…
1, why cut-off valve should try hard seal? Cut off the valve requires the lower the better leakage, soft-sealing valve leakage is the lowest, of course, cut off the effect, but not wear-resistant, poor reliability. From the leakage is small, sealed and reliable double standards, the soft seal c…
Model NO.: XINRONG-32
Condition: New
- Model NO.: BF6L913 …
Model NO.: 3M78-4
Trademark: Weichuang
Model NO.: YIHUA CUMMINS
Conditions of Use: Land Use
…
- Stereoscopic Effect: Stereoscopic Effect …
Model NO.: GF2
Detection Depth: 1m to 3m
…
[China Instrument Network Instrument R&D] A few days ago, the Ministry of Education organized a group of experts led by academician Du Shanyi to carry out preliminary acceptance of the project “Development and Application of Materials Micro-Mechanical Performance Testing Instruments…
1. The pump has no water or proper venting. Elimination: Check that the pump housing and inlet line are completely filled with liquid.
2. The speed is too low Elimination measures: Check the wiring of the motor is correct, the voltage is normal or the steam pressure of the turbine is …
2. The speed is too low Elimination measures: Check the wiring of the motor is correct, the voltage is normal or the steam pressure of the turbine is …