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Installation Instruction: M991012 Rev B
Inferno Manufacturing Corporation
115 Ricou Street
Shreveport, Louisiana 71107
PH: (318) 221-8454
FAX: (318) 222-4106
Web Site: www.infernomfg.com
C. Shutting Down
Allow pressure and temperature in the SFI to reach ambi-
ent/atmospheric conditions slowly.
MAINTENANCE
CAUTION: Never perform any maintenance until the
SFI has been vented to the atmosphere, has equilibrated to
ambient temperature, and has been drained of all process
liquids/gases.
Fig. 3 SFI-6000 Assembly
A. Disassembly
See Fig. 2 for the SFI assembly. Loosen the gland nuts by
hand. Replacement "O" ring is size 2-021, material is
viton. Replacement cushion gasket is 1/32" compressed
non-asbestos material (see “Parts List” below for details).
Cushion gasket can protect glass from contact with metal.
Omission of cushion gasket will cause gland nut to scratch
top surface of glass and will cause glass breakage which
may result in severe damage to life and property.
Replacement glass should be free of scratches or chips that
may cause local stress concentration and lower the
strength of the glass in bending. The glass is available
through INFERNO. Do not substitute glass from other
sources. Original glass is tempered borosilicate (Pyrex).
Substitute glasses from other sources may not necessarily
be “high strength in tempered condiotion. For high pres-
sure operation the Inferno SFI must carry tempered glass
which is three times stronger than regular annealed glass.
B. Reassembly
Inspect "O" ring grooves to make sure that there are no
nicks or imperfections that could cause leakage. Blow off
all sanding dust or other debris from the body and gland
nuts and wipe all mating surfaces clean before re-assem-
bling. Take special care to see that no remains of old cush-
ion gasket are left sticking to the glass or the end cap.
See Fig. 2 for the SFI assembly. First insert "O" ring into
the groove on one side of the body. Then place the glass
carefully over top of the "O" ring. Install the cushion gas-
ket on top of the glass. Lubricate the threads of the gland
nut. Finally hand-tight the gland nut. Hand-tight is all
that is required. The gland nut will not loosen when the
body is under internal hydraulic pressure, in fact the nut
will become very stiff and hard to turn. Under no circum-
stance use wrench to tighten the gland nut. Glass is sub-
ject to breakage when wrench-tightened and capable of
causing severe damage to life and property.
Hydrotest to 1.5 times working pressure. Or gas test sub-
merged under water to check for bubbles indicating leak-
age.
CAUTION: Gas testing must be done with great precau-
tion because large amount of stored energy is present in
the SFI when pressurized with gas. A gas pressure check
should be done by specially trained personnel only.
C. Parts List- High Pressure 6000# SFI
11376: Hi Pressure Body v3, SA 479 T-316 CF stainless
steel.
11377: Hi Pressure Gland nut v3, SA 479 T-316 CF
stainless steel.
3261: Cushion gasket, non-asbestos, NBR binder
(K-4401), 1/32" thick.
10821: Glass, clear, borosilicate glass tempered, 3/4"
thick x 1-1/4" diameter.
4063: Nozzle, 1/8" ID tubing, T-316 stainless steel.
3255: "O" ring,Viton 90 durometer, Parker size 2-021.
Note: v3 parts shown above will not interchange with
earlier versions
Gland Nut
Body
"O" ring Name Plate
Glass
Cushion
Gasket
Nozzle- press-in
