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Summary of Contents for Spectronik MGPR
- Page 1 MINIATURE GAS PRESSURE REGULATOR MGPR USER GUIDE VERSION 2.2 SEPTEMBER 2022...
- Page 2 MGPR. Handling Handle MGPR with care. MGPR is not designed for extreme conditions, rough handling, vibration, shock or drop. Keep MGPR away from heat, flame, strong sunlight, water, dust, soil or mud. Do not use a damaged MGPR.
- Page 3 M12 x 1.25 Gas pressure transducer Refueling port mating plug NPT 1/8 (to MGPR) M12 x 1.25 M12 x 1 (to receptacle) * ID17 CS3 EPDM O-ring may or may not be required depending on user’s gas cylinder thread. Included as spare part in the shipment.
- Page 4 ITEM DESCRIPTION Gas pressure transducer receptacle Threaded socket to Hydrogen source M12 x 1 NPT 1/4 Stainless steel refueling hose Spare O-rings Refueling hose mating socket to (9) M12 x 1.25 CHAPTER 1 | OVERVIEW...
- Page 5 SPECIFICATIONS MGPR Gas media Hydrogen Rated inlet pressure 350bar Min inlet pressure 10bar Gas outlet pressure (@ rated flow) 0.45-0.75bar (factory set during order) Max outlet pressure (@ zero flow) Gas outlet pressure + 0.3bar Rated flow rate 40 SLPM...
- Page 6 3. Open the refueling cap. Keep it in a safe place, do not lose it. Connect refueling port mating plug (10) into the refueling port (7) of MGPR. Do not use excessive force at the end of the turns. 4. Turn on your Hydrogen source.
- Page 7 5. To turn off the gas at the end of usage, shut off your Hydrogen source directly. Reminder: the On/Off manual valve on the MGPR is not in use in this configuration and shall be fully OFF (clockwise) at all times. 1st Stage Pressure...
- Page 8 If you are using a booster pump, it is advisable to pause the filling process every 30-50bar to prevent over temperature. 3.5 STORAGE When not in use, keep MGPR in its original box and store it in a cool, dry place. CHAPTER 3 | OPERATING PROCEDURES...
- Page 9 GAS PRESSURE TRANSDUCER 4.1 FEATURES AND APPLICATIONS Stainless steel 316 body Welded configuration without sealing o-rings 10-90% proportional voltage output Voltage reversal protection Hydrogen gas pressure measurement Hydraulic system pressure measurement 4.2 TECHNICAL SPECIFICATIONS Pressure range: 0-50 MPaG Output voltage (Io): 0.5-4.5VDC Precision (including non-linearity, hysteresis, repeatability and calibration +/- 0.5% F.S.
- Page 10 4.3 NOTES Ensure that all system connections are secure and leak free. Hydrogen leakage may cause fire or explosion in extreme cases. If the pressure port of the transducer is blocked by a foreign object, do not use a sharp tool to clear the passage.
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