Sentry VREL, Installation, Operation & Maintenance Manual, Page: 8 / 12

8 Sentry Equipment Corp
Service
Before servicing, ensure that the sample line is isolated and cannot be opened during this
service . This is necessary to prevent exposure to high pressure and/or hot materials . Allow the
VREL valve to cool to a comfortable touch prior to commencing service .
No normal maintenance is required. Replacement parts available are listed below.
Replacement Parts
Part Number Item
6-02302C VREL Valve Seal Kit (Figure 2) (includes thrust washer, spring
seal & backup washer)
6-02302E Valve Handle & Rod Assembly (Figure 3)
– includes both 6-02302A and 6-02303A
6-02302A Valve Handle Assembly Only (Figure 3)
6-02303A Tapered Rod & Nut Assembly Only (Figure 3)
6-04605A VREL Swivel Handle
Figure 2. 6-02302C – VREL Seal Kit
Thrust Washer
Spring Seal & Backup
Bushing
Ratings
Wetted materials: 316 Stainless Steel
Weight: 4 lbs
Pressure: 5000 psig at 300°F
(345 barg at 149°C)