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Pilots & Accessories. Signal Pilots Control Pilots Accessory Items Filters Drip Pots Instrument Regulators Shutter Controls. Pilots & Accessories. Enhance a pneumatic or mechanical input signal Provide Reversed Output Multiplied Output Volume Boosted Output On / Off Snap Output.
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Signal Pilots Control Pilots Accessory Items Filters Drip Pots Instrument Regulators Shutter Controls Pilots & Accessories
Enhance a pneumatic or mechanical input signal Provide Reversed Output Multiplied Output Volume Boosted Output On / Off Snap Output Signal Pilots
Indirect 3 PS Snap Pilot Reverses input signal Converts varying signal to ON / OFF signal. Variable pressure Supply Output
Direct Indirect Direct or Indirect ? Direct Mode Indirect Mode Rising Input Rising Input Rising Output Falling Output
Indirect 3 PS Snap Pilot Variable pressure With increasing variable pressure, output snaps OFF at about 10 psi. With decreasing variable Pressure, output snaps ON at 3 psi. Supply Supply pressure must Not exceed 30 psi. Output
3 PS Snap Pilot Converts variable (throttling) output to ON / OFF output
3 PS Snap Pilot Converts variable (throttling) output to ON / OFF output. Reverses output.
Direct 3 PG Throttle Pilot Variable pressure Multiplies output pressure 4:1 Boosts output volume Direct action Throttle response Output Supply
3 PG Throttle Pilot 4:1 increase in sensitivity Pressure reducing regulator
Indirect Direct 3 PG Throttle or Snap Snap Throttle Variable pressure Variable pressure Supply Output Output Supply
Direct 3 PGM Manual Reset Pilot Monitors output of a 3-way valve (pilot) Blocks supply and vents output when a preset limit is exceeded 3-way valve or pilot Output Supply
3 PGM Manual Reset Pilot T 12 Thermostat (3-way valve) Output Supply
3 PGB Bistable Pilot Uses two temporary signals: One signal to turn “ON” the pilot One signal to turn “OFF” the pilot Off signal On signal Supply Output
3 PGB Bistable Pilot Upstream pressure gap control High Low
Direct 30 PGR Relay Low variable pressure turns high pressure signal ON / OFF 20–30 psi Variable pressure Output 0-300 psi Supply
30 PGR Relay 300 psi pressure closing valve actuated by 30 psi signal 20 to 30 psi variable pressure Up to 300 psi output Up to 300 psi supply
Control Pilots Sense a controlled pressure and… • Provide output signal for condition monitor • Provide output signal to a remote valve for • Back pressure control • Pressure reduction • Differential pressure control • Vacuum control
Indirect 30 HPG Pressure range: 5 to 300 psi Controlled Pressure Output Supply
Direct 30 HPG Direct Pressure range: 5 to 300 psi Semi-snap acting Does not throttle Inverted pilot plug and seats Controlled Pressure Output Supply 30 psi max. AHJ3 30 HPG DIR/125 lb Spring AHJ4 30 HPG DIR/300 lb Spring
30 HPG Direct Pressure reducing regulator with line break shut-down Direct pilot set at low line break pressure Indirect PR pilot
Direct 30 PG PRDA Pressure range: 5 to 300 psi Throttle action Controlled Pressure Output Supply 30 psi max.
30 PG PRDA Pressure reducing regulator with fail open valve
75/150 PG Pressure range: 75 PG: 50 to 750 psi 150 PG: 125 to 1500 psi Throttle action Single Adjusting Screw Proportional Output 75 PG = 2:1 150 PG = 1:1 Simple Design Low Initial Cost Easy to Understand Easy to Maintain
Indirect Direct 75/150 PG Indirect Direct
75/150 PG Pressure Reducing Regulator
Indirect Liquid Differential Pressure Pilot Pressure range: 5 to 300 psi Throttle action Lower Pressure Higher Pressure Output Supply
Liquid Differential Pressure Pilot Holds vessel gas pressure above liquid discharge pressure with fail open valve. Gas out Inlet Liquid out
Indirect Pressure Differential Controller 1 to 260 inches H2O differential 1000, 2000, or 4000 psi working pressure
100, 200, 400 PDC Maintains constant differential on orifice meter
Indirect Ounces Pressure Reducing Pilot Three spring ranges: ½ ounce to 2 ½ psi ½ psi to 5 psi 1 psi to 20 psi Controlled Pressure Output Supply
Direct Direct Acting Ounces Pressure Reducing Pilot Three spring ranges: ½ ounce to 2 ½ psi ½ psi to 5 psi 1 psi to 20 psi Controlled Pressure Output Supply 30 psi max.
Supply Gas Regulator Sense Line Protector Drip Pots Air Motor Accessories
Supply Gas Regulator Output pressure: 0 to 125 psi Inlet pressure: 4000 psi max. Reversible seat Internally relieving Low “droop” Available in 316 stainless Inlet Outlet
Supply Gas Regulator Supply Gas Regulator Sense Line Protector
Sense Line Protector Protects pilots on high pressure systems Output pressure: 20 to 300 psi Inlet pressure: 1000 psi max. Inlet Outlet
Drip Pots DP 30 DP 200/400 FD 200
Air Motor Operates shutters on air cooled heat exchangers 5 ½ inch stroke 125 psi working pressure
Air Motor Operates shutters on air cooled heat exchangers