INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. T
Pilot-Operated Safety Relief Valve Page 3 of 43
1.0 GENERAL
1) This manual is intended to provide users with direction and guidance for the maintenance of
FLOW SAFE F7000 / 8000 Series safety relief valves. This manual indicates the proper method of
valve disassembly, soft goods replacement, and valve reassembly. FLOW SAFE provides this
manual as a guideline and reference only. It is not intended to serve as a training manual or
manufacturing guide. FLOW SAFE assumes no responsibility for personal or property damage that
may occur in conjunction with this manual.
2) FLOW SAFE believes that when maintenance and reassembly is performed as outlined in this
manual there is no safety hazard. FLOW SAFE recommends that all valves be placed on a regular
maintenance schedule that includes the routine replacement of softgoods. FLOW SAFE
recommends softgoods replacement every three years but cautions that each customer make their
own determination and set their own schedule based upon use and environment.
During routine maintenance the internal components of the valve should be inspected for damage
or abnormal wear. The valve should also be inspected for excessive corrosion. A corrosion
allowance of 0.06” (1.5 mm) is designed into all carbon steel components subject to corrosion.
Operating the valve with corrosion exceeding this allowance is not recommended.
Cycling the valve at least once a year is considered to be good practice to verify operation and
confirm parts are not seized.
3) When a new valve leaves FLOW SAFE, it has been manufactured and tested by trained and
experienced personnel. When you remove a valve from your system and perform the maintenance
tasks that are outlined herein you will need proper training.
Do not attempt to accomplish these tasks without adequate training and understanding of the valve
operation.
4) Any and all stated or implied warranties that are in effect during the purchase of a new FLOW
SAFE valve are null and void once the valve has been disassembled by someone other than
approved FLOW SAFE personnel.
All repair and resetting of "ASME"-stamped safety relief valves should be performed either by
FLOW SAFE, Inc., or by a National Board-certified valve repair shop holding a "VR" (Valve Repair)
stamp.
5) It is highly recommended that all instructions, especially WARNING and CAUTION statements,
herein be read in full prior to any assembly, disassembly, or operation of this equipment.
6) The noted manufacturer’s standard lubricants should be used only if compatible with process fluid
and application.
7) Specific design details described in this document are subject to change without notice.
8) Should the need arise for general assistance, contact the FLOW SAFE Sales or Service
department at (716) 662-2585 or (800) 828-1036 in Orchard Park NY or (832) 678-2070 in Houston
TX. For more detailed technical assistance, contact the FLOW SAFE Engineering department at
(716) 662-2585.
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