Flow Safe F7000 SERIES - SOFTGOODS KITS

INSTALLATION, OPERATION, &
MAINTENANCE MANUAL
TITLE: F7000 / 8000 Series Rev. T
Pilot-Operated Safety Relief Valve Page 40 of 43
8.0 SOFTGOODS KITS
NOTE: Provide valve serial number(s) whenever possible when ordering softgoods kits.
8.1 MAIN VALVE SOFTGOODS
Softgoods Part Number
Valve Size
F7050 / F8050 (Elastomer
-
seated)
F7040 / F8040 (Plastic
-
seated)
Conventional ‘IM’ Construction Conventional ‘IM’ Construction
1 x 2
1-1/2 x 3
2 x 3
3 x 4
4 x 6
6 x 8
8 x 10
10 x 12
12 x 16
MV75-01X02-DXY
MV75-15X03-DXY
MV75-02X03-DXY
MV75-03X04-DXY
MV75-04X06-DXY
MV75-06X08-DXY
MV75-08X10-DXY
MV75-10X12-DXY
MV75-12X16-DXY
MV75IM-01X02-DXY
MV75IM-15X03-DXY
MV75IM-02X03-DXY
MV75IM-03X04-DXY
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MV74-01X02-XY
MV74-15X03-XY
MV74-02X03-XY
MV74-03X04-XY
MV74-04X06-XY
MV74-06X08-XY
MV74-08X10-XY
MV74-10X12-XY
MV74-12X16-XY
MV74IM-01X02-XY
MV74IM-15X03-XY
MV74IM-02X03-XY
MV74IM-03X04-XY
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Most common materials listed; contact Flow Safe for availability of other materials.
Approximate pressure ranges of plastic seats shown in Section 2.2 on Page 5.
Main Valve Softgoods Kit contents:
Standard kit Qty. Additional items in ‘IM’ kit Qty.
Seat 1 Spool piece O-ring “1” 1
Liner seal 2 Spool piece B/U ring “1” 1
Piston seal 1 Spool piece O-ring “2” 1
Piston seal B/U ring (F7050/8050) 1 Spool piece B/U ring “2” 1
Wear ring 2 * Spool piece O-ring “3” 1
FTC seal “A” 1 ** Spool piece B/U ring “3” 1
FTC piston seal “A” 2 **
FTC seal “B” 1 ** * Wedge ring substituted for one wear ring
FTC piston seal “B” 1 ** for applicable valves (provide serial number).
FTC crush ring “C” 1 ** ** Specific FTC seal arrangement for valve can
be provided based on serial number.
X / Y =
Seat / Seal Material
F7050/8050 Seat (X) & Seals (Y)
Code F7040/8040 Seat (X) F7040/8040 Seals (Y)
D =
Seat Hardness
(F7050/8050)
Code
T
K
W
P
F
B
V
U
E
Z
C
N
Teflon
PCTFE / Kel-F
PI / PAI / Vespel
PEEK
Ekonol-filled Teflon
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Teflon-encapsulated silicone
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Buna-N
Viton
Polyurethane
EPR / EPDM
Kalrez
Chemraz
Lo-temp nitrile
5
6
7
9
0
Soft: < 50 psig
Medium soft: 40-80 psig
Medium: 51-999 psig
Hard: > 1000 psig
“Universal”: 1 each of
above seats
These pressure ranges
are approximate only.