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Dual Valve Pressure Controllers

For closed or dead-ended volumes

Inlet and exhaust valves provide precision control of absolute, gauge, or differential pressure.

  • ±0.125% of full scale accuracy
  • ± 0.08% of full scale repeatability
  • 0.01-100% of full scale control range
  • 30 ms control response
  • Limited Lifetime Warranty

FULL SCALE PRESSURE RANGES

0.07 – 3000 PSI

Available variants

Single-valve pressure controllers for flowing processes (PC), Instrinsically Safe (IS)

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Operating Manual
Brochure
Pressure controller dual valve

Absolute, Gauge, and Differential Pressure Controllers

Dual valve pressure controller for absolute, gauge or differential pressure

PCD Series

For most applications

standard
  • Non-corrosive gases
  • 0.07 – 3000 PSI options
  • 10 – 1000 TorrA vacuum options
Spec Sheets
Dual-valve absolute or gauge pressure controllers from Alicat Scientific provide a variety of control options with high stability.

PCDS Series

For corrosive fluids

Stainless steel
  • Corrosive and non-corrosive fluids
  • 5 – 3000 PSI options
Spec Sheets
Dual-valve absolute or gauge pressure controllers from Alicat Scientific provide a variety of control options with high stability.

PCD3 Series

For remote pressure sensing

Isolated pressure sensor
  • Non-corrosive gases
  • Measure pressure at any point and control flow at another 
  • Anti-corrosive options
Spec Sheets
Dual-valve absolute or gauge pressure controllers from Alicat Scientific provide a variety of control options with high stability.

PCD-EXTSEN Series

For higher pressures

Requires external sensor
  • Sensing ability of pressure transducer plus Alicat electronics and internal PID algorithm
  • Precision control at a larger range
  • Anti-corrosive options
Operating Manual

Build Options for Pressure Controllers

Communication Protocols
RS-232 Serial (default)
RS-485 Serial
Analog (4-20 mA, 0-10 Vdc, 0-5 Vdc, or 1-5 Vdc)
Modbus RTU (over RS-232 or RS-485)
Modbus TCP/IP
DeviceNet
EtherCAT
EtherNet/IP
PROFIBUS
PROFINET
IO-Link
Displays
Backlit monochrome or TFT color; integrated or panel-mount
Process Connections
NPT, SAE, BSPP, VCRM, VCO, Compression
Ingress Protection
IP40 default; IP66, IP67
Hazardous environment ratings
CSA Class 1 Div 2, ATEX Class 1 Zone 2
Humid gases
Relative humidity compensation
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Downloads

Manuals

PCD Series Operating ManualLatest – 10v firmware

Download

PCD-EXTEN Series Operating Manual

Download

PCD Series Operating ManualLegacy – 9v firmware (2021)

Download

PCD Series Operating ManualLegacy – 8v firmware (2020)

Download

Brochures

PCD Series Brochure

Download

Software/Utilities

FlowVision 2.0

Download
LabVIEW Driver LibraryLatest – Compatible with LabVIEW 2014+
Download
LabVIEW Driver LibraryLegacy – Compatible with LabVIEW 2010
Download
LabVIEW Driver LibraryLegacy – Compatible with LabVIEW 8.0
Download

Serial Terminal Utility

Download

Serial Address Dump Utility

Download

Serial Port Troubleshooter Utility

Download

Python Library

Download
CODA coriolis mass flow meter

Liquid Flow

Liquid flow controllers use either Coriolis or laminar flow technology to accurately control liquid flows across a wide range of applications.

Mass flow meter from Alicat Scientific

Gas Flow

Mass flow controllers provide precision measurement and ultra-fast control of 130+ different gases.

Custom Instrumentation

Order mass flow controllers and meters custom-build to your specific application needs.

Technical Reference

Find guides, tutorials, pinout diagrams, and industrial protocol resources for your Alicat instrument.

Applications

Aerospace SpaceX test mass flow controllers

Valve leak test stands for space exploration

Plastic bag manufacturing requires pressure controllers for testing quality.

Inflating single-use bioreactor bags

Not sure which product is best for your application?

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Service and Support

Whether it is time for your instrument’s annual recalibration or your instrument needs a repair or upgrade,
you can fill out the Service Request Form below, email us, call us, or start a live chat session to get the service process started.

Service Request Form