Series 600 Pilot Regulators for Pilot operated Gas Pressure Regulators
HON 638-EP
HON 638-EP is a pilot pd min, pd max with electric/pneumatic loading pressure stage for gas pressure regulators with throttling diaphragm HON 402, HON 502, HON 503 and HON 505 according to DIN EN 334.
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The following operation modes may be realized between the two pressure limits:
Remote setpoint adjustment:
- Adaptation of setpoints due to frequently changing operating conditions
- Integration with process control systems
- Flow control, optimising efficient gas supply
- Gas storage in networks and tanks
- Meter protection by means of actual flow limitation
- Pressure control
- Meter protection by means of actual flow limitation
- According to defined pressure curves throughout a day or week
- To improve regulating accuracy and stability due to electronic PI or PID control
- CE registration according to PED in combination with HON gas pressure regulators
- According to DIN EN 334, the pilot is an integral component of this device
- Maximum admissible pressure PS: 100 bar
- Maximum inlet pressure pu max: up to 100 bar
- Pilot HON 638-EP consists of functional modules on a common base plate:
- 1st stage: automatic load-limiting stage
- 2nd stage: pilot stage controlling the lower outlet pressure limit pd min
- 3rd stage: pilot stage controlling the upper outlet pressure limit pd max
- 4th stage: electro-pneumatic loading pressure stage converting electric signals into pneumatic signals
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