
Table of Contents
Safety Warning & Instruction System .........................................................1
General Safety Instructions .................................................................... 1-2
Introduction ...............................................................................................3
Receiving Inspection, Storage & Handling ..................................................3
Pre-Installation Testing ..............................................................................3
These maintenance and installation instructions are applicable to Farris Series 2600, 2700, 2850, 2856, 1890, 1896M,
3800, 4200 and 6400 pressure relief valves.
Farris Product Line Scope
Series
ASME Certification
Pressure Equipment Directive
Section
Test Fluids
Code Symbol
Compliance
Directive Mark
2600
Section VIII
Air, Steam & Water
yes
2600L
Section VIII
Water & Air
yes
2700
Section VIII
Air, Steam & Water
yes
3800
Section VIII
Air, Steam & Water
yes
4200
Sections I & VIII
Air & Steam
yes
6400
Sections I & VIII
Air & Steam
no
Not Available
1890
Section VIII
Air, Steam, & Water
no
1896M
Section VIII
Air, Steam, & Water
no
2850*
Section VIII
Air & Steam
no
2856*
Section VIII
Air & Steam
no
General Notes
1. All valves are stamped with the appropriate ASME Code “V” or “UV” stamp as noted above.
2. In addition to the appropriate ASME Code stamp, valves shipped into the European market are marked with the “CE” symbol indicating compliance with the Pressure Equipment Directive.
3. Valves may also be supplied to ASME Code Section III, “NV” stamp.
*Available for non-ASME code liquid applications.
Installation ............................................................................................. 3-4
Typical PRV Installation Schematic ............................................................4
Maintenance Basics ..................................................................................5
Valve Reference Drawings ..................................................................... 6-9
V
V