1.22 MM PRV2 20# PRESSURE REDUCING VALVE .007 RES. TO ATMOSPHERE RANGE 10 PSIG DIFF. .005 RES. TO LOGGER GS1 MANUALLY SETS THE DISIRED DIFFERENTIAL VALUE 4 5 6 3 2 1 7 8 9 0 10 0-100# RANGE .005 RES. EQUAL DIFF. PT1 PRESSURE TRANSMITTER L H S 50 TO LOGGER 25 75 S1 RC1 4 5 6 100 PSIG RANGE DA 3 7 ISOLATION BALL VALVE BV7 RANGE RECEIVER 50 PSIG DIFF. CONTROLLER 2 1 8 9 15 10 20 0 10 B M 1 2 RC2 5 25 PT2 DIFFERENTIAL PRESSURE TRANSMITTER 0-50# RANGE 20 30 10 40 L H S ALTERS RANGE TO 0-10# PRESSURE DIFFERENTIAL 10 PSIG DIFF. RANGE 0 30 RECEIVER CONTROLLER CONTROLS DIFFERENTIAL AT DESIRED VALUE 0 50 B P M PRV1 85 PSIG PRESSURE REDUCING VALVE ISOLATION BALL VALVE BV6 ISOLATION BALL VALVE BV2 EQUALIZING BALL VALVE BV1 ISOLATION BALL VALVE BV3 ISOLATION BALL VALVE BV5 80 VENT NEEDLE VALVE NV1 60 40 100 120 TO LOGGER 80 60 40 100 120 BR1 MOORE 1:6 AMPLIFYING RELAY 20 0 140 160 20 140 0 160 HIGH PRESSURE AIR ACT1 ACTUATOR ACT2 ACTUATOR PB1 NO PB2 NC ANCHORED CALIPER ANCHORED TEST APPARATUS PROVING THAT IF ACTUATOR ONE (ACT1) HAS MORE THAN 4% MECHANICAL ADVANTAGE OVER ACTUATOR TWO (ACT2), ACT1 CAN PUMP ITS TOTAL FLUID REQUIREMENT FROM ACT2. SCIENTISTS TESTING THE MODELS CONCLUDE THAT THE DIAMOND-SHAPED ACTUATOR (IN ACT1’S PLACE) HAS A MECHANICAL ADVANTAGE OVER CONVENTIONAL PISTONS EXCEEDING 15% CONTROL CIRCUIT PHYSICAL MODEL OF TEST APPARATUS B M I 0 100 13.284 IMAGE 3
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