Tescom 26-2300 Series

TESCOM 26-2300 Series is a highly accurate, diaphragm sensed backpressure regulator.  It controls pressures up to 500 PSIG [35 bar] and offers many Cvs from .02 up to 1.0.  Air and dome load versions are available for remote operation or for use with the TESCOM ER3000 Electropneumatic Controller for automation. Ideal for use in hydraulic or pneumatic testing or calibration applications.

Features & Benefits

  • Crack to reseat – 2% of set pressure
  • Easily adjusted, low torque handknob control
  • Bubble-tight shutoff at all reseat pressures
  • Four flow capacities available: Cv = .6 standard
  • Cv = .06, .12, 1.0 optional
  • Spring, dome and air loaded models available
  • Panel mounting standard
  • Compatible with TESCOM ER3000 Electropneumatic PID Controller


Pressure Rating

Maximum Controlled Pressure Ranges:
0-50, 0-150, 0-250 PSIG [0-3.5, 0-10, 0-17 bar]



Body: 303 SST, 316 SST or Aluminum 2024-T351
Diaphragm: Buna-N
Main Valve Seat: Teflon®
O-ring: Buna-N
Seals: Teflon®
Remaining Parts: 300 Series Stainless Steel


Operating Temperature

-40°F to +165°F [-40°C to +74°C]1.
1. For extended temperatures from -40°F to +400°F [-40°C to +204°C], consult TESCOM


Port Size & Type

Inlet & Outlet Port Type: SAE, NPT, MS33649
Inlet & Outlet Port Size: 1/4″, 3/8″, 1/2″


Flow Capacity

Cv = .6


Load Type

Spring, Air, Dome



Stainless Steel: 2.25 lbs. [1.1 kg]
Aluminum: 1.25 lbs. [.55 kg]