Pilots & Accessories

Pilots & Accessories Signal Pilots Control Pilots Accessory Items Filters Drip Pots Instrument Regulators Shutter Controls

Signal Pilots Enhance a pneumatic or mechanical input signal Provide Reversed Output Multiplied Output Volume Boosted Output On / Off Snap Output

3 PS Snap Pilot Reverses input signal Converts varying signal to ON / OFF signal. Variable pressure Supply Output Indirect

Direct or Indirect ? Direct Mode Indirect Mode Rising Input Rising Input Rising Output Falling Output Direct 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 Indirect

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.

3 PG Throttle Pilot Multiplies output pressure 4:1 Variable pressure Boosts output volume Direct action Throttle response Variable pressure Output Supply Direct

3 PG Throttle Pilot 4:1 increase in sensitivity Pressure reducing regulator

3 PG Throttle or Snap Throttle Snap Variable pressure Supply Output Output Supply Direct Indirect

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 Direct

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 Supply On signal Output

3 PGB Bistable Pilot Upstream pressure gap control Low High

30 PGR Relay Low variable pressure turns high pressure signal ON / OFF 20–30 psi Variable pressure Output 0-300 psi Supply Direct

30 PGR Relay 300 psi pressure closing valve actuated by 30 psi signal 20 to 30 psi variable pressure Up to 300 psi supply Up to 300 psi output

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

30 HPG Pressure range: 5 to 300 psi Controlled Pressure Output Supply Indirect Supply

30 HPG PR

30 HPG Direct Pressure range: 5 to 300 psi Semi-snap acting Does not throttle Inverted pilot plug and seats Controlled Pressure Output Direct 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

30 PG PRDA Pressure range: 5 to 300 psi Throttle action Controlled Output Direct 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

75/150 PG Indirect Direct Indirect Direct

75/150 PG Pressure Reducing Regulator

Liquid Differential Pressure Pilot Pressure range: 5 to 300 psi Throttle action Lower Pressure Higher Pressure Output Indirect Supply

Liquid Differential Pressure Pilot Holds vessel gas pressure above liquid discharge pressure with fail open valve. Gas out Inlet Liquid out

Pressure Differential Controller 1 to 260 inches H2O differential 1000, 2000, or 4000 psi working pressure Indirect

100, 200, 400 PDC Maintains constant differential on orifice meter

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 Indirect Supply

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. Direct

Accessories Supply Gas Regulator Sense Line Protector Drip Pots Air Motor

Supply Gas Regulator Output pressure: 0 to 125 psi Inlet pressure: 4000 psi max. Reversible seat Internally relieving Low “droop” Available in 316 stainless Outlet Inlet

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