Catalog - Tri-State Technical Sales Corp.

2
TABLE OF CONTENTS
SECTION
OVERVIEW
CONSTRUCTIO N
PAGES
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Dimensions and W eights . . . . . . . . . . . . . . . . . . . . 4
Inlet/Outlet Flange Ratings . . . . . . . . . . . . . . . . . . 5
Seat and Seal Data . . . . . . . . . . . . . . . . . . . . . . . . . 5
Main V alve Assembly and Constructio n. . . . . . 6-7
F200 Snap Acting Pilot V alve Operation . . . . . . . 8
F200 Snap Acting Pilot V alve Constructio n . . . . . 9
F300 Modulating Pilot V alve Operation . . . . . . . 10
F300 Modulating Pilot V alve Construction. . . . . 11
F500 Modulating Pilot Valve Operation . . . . . . . 12
F500 Modulating Pilot V alve Construction. . . . . 13
Accessories and Options . . . . . . . . . . . . . . . . 14-15
ENGINEERING DA TA
Sizing: Gases and Liquids . . . . . . . . . . . . . . . . . . 16
V iscosity Corr ection Factors
. . . . . . . . . . . . . . . 17
Sizing and Set Pr essur e Considerations
for Backpr essure . . . . . . . . . . . . . . . . . . . . . . . . . 18
Conversion Factors . . . . . . . . . . . . . . . . . . . . . . . 19
Molecular W eights and C Factors . . . . . . . . . . . 20
Air/Natural Gas Capacities . . . . . . . . . . . . . . 21-24
W ater Capacities . . . . . . . . . . . . . . . . . . . . . . . . . 25
Part Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Specification Sheet and Or der For m . . . . . . . . . 27
The policy of FLOW SAFE and its authorized
assemblers is a commitment to value thr ough:
Envir onmentally Compatible Products
Cost Ef ficient Design, with Minimal Parts
Quality Products, Readily Available
Flexibility to meet Unique Customer Needs
“No Hassle” Service
INTRODUCTION AND FEATURES
Intr oduction
T oday’ s industrial needs ar e being driven by r equir ements for
high capacity , leak-tight safety re lief valves to r educe fugitive
emissions and to save customer pr oduct. The FLOW SAFE
F7000/8000 Series Pilot Operated Safety Relief Va lves, with
accurate operational characteristics, ar e engineer ed to pr ovide
superior performance for today’ s industries.
Dir ect-mount pilot valves, minimizing
potential leak paths.
Modulating or snap-acting, with inter changeable
pilot valves.
Integral Module (IM) design available,
completely eliminating pilot tubing.
Superior main valve seating for ce, pr oportional
to nameplate set pr essur e.
Repeatable, leak-tight seating and r e-seating,
due to soft seat design.
Compact pr ofiles,for easier handling, installation
and maintenance.
Adjustable blowdown capability .
Large capacities thr ough the full -bore nozzle (F7000)
and a variety of r educed API orifice selections (F8000) .
Superior flow capacities, independently (NB) verified.
Full lift at set pr essur e upon demand.
Easy convertability of orifice sizes, field adjustable.
Integral exhaust with F300 and F500 pilot valve.
Set pr essur es fr om 15 to 6000 psig.
-423F to +525F temperatur e range.
A variety of materials and end connections, 316SS
trim standar d on carbon steel main valves.
No metal-to-metal contact of piston to liner assembly.
Top entry main valve for easy maintenance/inspection.
Lifting lugs standar d on sizes 2x3 and larger .
One-piece main valve casting with integral flanges.
Backflow pr eventer and field test connection -
standar d featur es.
Adjustments ar e heavy duty stainless steel
safety-wir ed and sealed.
All valves bear ASME “UV” stamp, at 15 psig
and above.
Compliance with industry standar ds,
including ASME, NACE, ANSI, and DOT .
F7000/8000 SERIES