Tescom 26-1700F Series

TESCOM™ 26-1700F Series backpressure regulators come with welded flanges according to EN 1092 and are suitable for gas or liquid service. Ideal for use in pilot plants in chemical industry and in reactor or vessel applications.

Features & Benefits

  • Flange connections according to DIN EN 1092-1 Type 11 for easy line integration
  • Face to face dimensions according to DIN EN 558, Row 1
  • Connection up to DN25
  • Set point repeatability exceeds conventional relief valves
  • Bubble-tight shutoff at all reseat pressures
  • Safe and reliable piston-style sensor
  • Compatible with Tescom’s Air Actuators and ER3000 Electropneumatic PID Controllers for remote
  • Other connection standards on request


Pressure Rating

Controlled Pressure Range: 5-500 PSI [0.4-34 bar]

Design Proof Pressure: 150% of rated pressure

Design Burst Pressure: 400% of rated pressure


Fluid Media

Corrosive or non-corrosive gases or those requiring high purity regulation compatible with materials of construction. For other media, consult factory.


Media Contact Materials

Body: 316L SST

Main Valve Seat: Teflon®

Seal: CTFE

Back-up Rings: Teflon®

O-ring: Buna-N

Remaining Parts: 300 Series SST


Operating Temperature

-15°F to +165°F [-26°C to +74°C]


Maximum Operating Torque

40 IN.Ibs. [4.5 Nm]


Flow Capacity

Cv = .14



Bubble tight



DN 15: 7.9 Ibs [3.6 kg]

DN20/25: 11 Ibs [5 kg]