17
Spectra High Pressure Fitting Instructions
The Ventura has eight high pressure fittings, two on each cylinder on the Clark Pump, two on
the pressure vessel end caps, and two 90
-
degree elbows on the back of the Clark Pump. As the
compression fitting is tightened, it compresses a ferrule onto the stainless tubing, fixing the
ferrule permanently to the tube and holding the compression nut captive.
The body of the fitting seals to the underlying component with an O
-
ring. On the Clark Pump
cylinders and the end caps this O
-
ring is compressed by tightening the entire fitting. The O
-
rings on the 90
-
degree fittings on the back of the Clark Pump have captive nuts and washers,
which compress the O
-
rings without turning the entire fitting.
If a tube fitting leaks it can sometimes be resealed by just tightening. You must use two
wrenches, a 13/16
-
inch wrench to hold the base, and a 7/8
-
inch wrench to turn the
compression nut. The 13/16
-
inch wrench will need to be thin so as not to interfere with the
compression nut. If this doesn
’
t work, disassemble the fitting, grease liberally with silicone
grease (the ferrule and the threads) and re
-
tighten firmly.
The base O
-
rings should be
gently
compressed to achieve a good seal, and may be damaged
by overtightening.
Stainless Fitting Hex Nut
Connector O
-
RING
Nickel
-
Bronze High Pressure Elbow
Nickel
-
Bronze High Pressure Straight Fitting
Ferrule
Содержание VENTURA 150
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