TLS-IB Site Prep Manual Riser Cap Kit for Mag Probe Installations
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Figure 17. Metal Cap and Ring Kit
Modifying an Existing Metal Cap and Ring
In order to ensure that the riser cap seals properly to the probe cable and riser, we recommend that you purchase one of
the kits available for this purpose. Riser Caps from other manufacturers may require modification. If you use your own
cap, you must m odify it as follows:
1. Use a standard riser cap.
2. Remove the cap to a non-hazardous location and drill and tap the cap for a 1/2”-14 NPT cord grip fitting thread
[Figure 18].
3. Using UL-classified pipe sealant (suitable for the fuels involved) to ensure watertightness, screw a watertight riser
cap co rd g rip f i tt i ng (V-R Part No. 331028-001) int o th e tapped ho l e.
Figure 18. Modifying an existing metal riser cap
1 Group Cord Grip 331028-001
Table 6. Metal Cap and Ring Kit (Part No. 312020-952)
Quantity Description Part Number
Cord Grip Fitting
Body
Cord Grip
Nut
Adapter ring
Cap gasket
Metal cap
w/1/2" NPT
tapped hole
Note: watch orientation
of bevels and tapers
when assembling these
cord grip components.
Bushing
Ring gasket
probes\cap&ring.eps
.438 ±0.062 (36.53 ±1.6)
1.625 ±0.062 (41.27 ±1.6)
1/2" - 14 NPT ho
probes\prbricp.eps
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