Solution A added the sensors, electromagnetic valve, vacuum pump, and the electronic scale based on solution B(manual control),it is automatic control mode
FM-200(HFC-227ea)/ NOVEC automatic filling equipment
1. Machine Composition
DGS-FM-5A model FM200 filling machine including air-driven gas filling pump, precision pressure gauge, pressure reducing valve, high pressure electromagnetic valve, electric control part, and electronic scale, vacuum pump, etc.)
2. Machine characteristics
DGS-FM-5A filling equipment using the compressed air as power source, Through the Suncenter air driven gas booster and filling pump, driving the FM200/NOVEC filling and conveying, when the transmission weight reaches a certain value, the sensor signal is transferred to the gas electromagnetic valve, the driven air will stop automaticlly,and pump stops working.
Then Connecting the nitrogen gas source, open the high-pressure nitrogen gas valve and start the injection of nitrogen; when precision pressure gauge shows the needed nitrogen pressure then close the nitrogen valve; filling finished; It has the characteristics of small volume, light weight, simple operation, reliable performance. Especially suitable for the filling of FM-200/NOVEC in fire fighting industry.
3. Main parameters:
The driving source: compressed air (by air compressor, need 3-8 bar air pressure)
Medium: FM200/ NOVEC/Nitrogen
Output pressure: 4.2 Mpa/5.3Mpa
Driven air inlet port: fast insert 12 per cent
Nitrogen/FM200 inlet port: ZG3/8 internal thread
High pressure gas outlet port: ZG3/8 internal thread
4. Operating Procedure
1. Add lubricating oil to the FR.L Combination, the South with 10# or 20# mechanical oil, the northern winter with antifreeze mechanical oil or low condensate hydraulic oil.
2, Close the driving air ball valve, connected to the compressed air source and let driving air pressure not more than 0.8MPa (8 bar).
3, Place the good empty cylinder, close the FM200/NOVEC switch, close the high pressure nitrogen switch, open the vacuum pump switch, start the vacuum pump to vacuum.
4, When vacuum pumping is completed, close the vacuum pump pressure switch, close the unloading valve, open high pressure needle valve and low pressure air driven source ball valve, the filling pump starts, observing the change of the weight of the electronic scale; (when the set weight is reached, pump will stop working automatically), then close the switch of FM200/NOVEC.
5, After the completion of the FM200/NOVEC filling, open nitrogen valve, observe valve before the pressure gauge (pressure standard table), through pressure reducing valve to the desired pressure (pressure reducing valve after the precision pressure display) by adding nitrogen to the filling bottle;
6, After the completion of the operation, close the high-pressure valve, manual ball valve and nitrogen valve;
Note: The vacuum for the 150 liter bottle takes about 5 minutes,
filling time is about 6-8 kg per minute
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