2
 
Rev. 06/15
Safety, Installation, Operations & Service Manual
DOPSM2080X012
Contents
Section 1: Symbols
1.1 Symbols .................................................................................................................................................3
Section 2: 
Safety and Installation Precautions
2.1  Regulators and Valves ......................................................................................................................3
Section 3: Operations and Service
3.1  Types of Regulators ..........................................................................................................................6
3.2  Pressure Reducing Regulators - Diaphragm-Sensed ............................................................7
3.3  Pressure Reducing Regulators - Piston-Sensed ................................................................... 10
3.4  Back Pressure Regulators - Diaphragm-Sensed................................................................... 13
3.5  Back Pressure Regulators - Piston-Sensed ............................................................................. 15
3.6  Valves - TESCOM 30 Series ........................................................................................................... 18
3.7  Valves - TESCOM VA, VG and VT Series .................................................................................... 19
Section 4: Limited Warranty
4.1  Limited Warranty ............................................................................................................................ 21
This manual is available in multiple languages online at www.tescom.com.