slide1
Download
Skip this Video
Download Presentation
Pilots & Accessories

Loading in 2 Seconds...

play fullscreen
1 / 40

Pilots & Accessories - PowerPoint PPT Presentation


  • 236 Views
  • Uploaded on

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.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Pilots & Accessories' - garan


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
pilots accessories
Signal Pilots

Control Pilots

Accessory Items

Filters

Drip Pots

Instrument Regulators

Shutter Controls

Pilots & Accessories
signal pilots
Enhance a pneumatic or mechanical input signal

Provide

Reversed Output

Multiplied Output

Volume Boosted Output

On / Off Snap Output

Signal Pilots
3 ps snap pilot

Indirect

3 PS Snap Pilot

Reverses input signal

Converts varying signal

to ON / OFF signal.

Variable pressure

Supply

Output

direct or indirect

Direct

Indirect

Direct or Indirect ?

Direct Mode Indirect Mode

Rising Input Rising Input

Rising Output Falling Output

3 ps snap pilot1

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 pilot2
3 PS Snap Pilot

Converts variable (throttling)

output to ON / OFF output

3 ps snap pilot3
3 PS Snap Pilot

Converts variable (throttling)

output to ON / OFF output.

Reverses output.

3 pg throttle pilot

Direct

3 PG Throttle Pilot

Variable pressure

Multiplies output pressure 4:1

Boosts output volume

Direct action

Throttle response

Output

Supply

3 pg throttle pilot1
3 PG Throttle Pilot

4:1 increase in sensitivity

Pressure reducing

regulator

3 pg throttle or snap

Indirect

Direct

3 PG Throttle or Snap

Snap

Throttle

Variable pressure

Variable pressure

Supply

Output

Output

Supply

3 pgm manual reset pilot

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 pilot1
3 PGM Manual Reset Pilot

T 12 Thermostat

(3-way valve)

Output

Supply

3 pgb bistable pilot
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 pilot1
3 PGB Bistable Pilot

Upstream pressure

gap control

High

Low

30 pgr relay

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 relay1
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
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

Indirect

30 HPG

Pressure range: 5 to 300 psi

Controlled

Pressure

Output

Supply

30 hpg direct

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 direct1
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

Direct

30 PG PRDA

Pressure range: 5 to 300 psi

Throttle action

Controlled

Pressure

Output

Supply

30 psi max.

30 pg prda1
30 PG PRDA

Pressure reducing regulator

with fail open valve

75 150 pg
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 pg1

Indirect

Direct

75/150 PG

Indirect

Direct

75 150 pg2
75/150 PG

Pressure Reducing Regulator

liquid differential pressure pilot

Indirect

Liquid Differential Pressure Pilot

Pressure range: 5 to 300 psi

Throttle action

Lower

Pressure

Higher

Pressure

Output

Supply

liquid differential pressure pilot1
Liquid Differential Pressure Pilot

Holds vessel gas pressure above liquid discharge pressure with fail open valve.

Gas out

Inlet

Liquid out

pressure differential controller

Indirect

Pressure Differential Controller

1 to 260 inches H2O differential

1000, 2000, or 4000 psi working pressure

100 200 400 pdc
100, 200, 400 PDC

Maintains constant differential

on orifice meter

ounces pressure reducing pilot

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 acting ounces pressure reducing pilot

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.

accessories
Supply Gas Regulator

Sense Line Protector

Drip Pots

Air Motor

Accessories
supply gas regulator
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 regulator1
Supply Gas Regulator

Supply Gas Regulator

Sense Line

Protector

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
Drip Pots

DP 30 DP 200/400 FD 200

air motor
Air Motor

Operates shutters on air

cooled heat exchangers

5 ½ inch stroke

125 psi working pressure

air motor1
Air Motor

Operates shutters on air

cooled heat exchangers

ad