CPI TUBULAR GAUGE G23
INSTALLATION, OPERATING &
MAINTENANCE INSTRUCTIONS
SEETRU LIMITED
ALBION DOCKSIDE WORKS, HANOVER PLACE, BRISTOL BS1 6UT. ENGLAND
TEL. 0117 9279 204. FAX 0117 929 8193.
EMAIL:
[email protected]
WEB:
www.seetru.com
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Figure 1
Page 1: ...isolating valves and valveless units are constructed of stainless steel 316 wetted parts PTFE seals and plastic handwheel Other parts of the valves are constructed in stainless steel THE TUBULAR COLUMN ASSEMBLY There are two types of Tubular Column Assemblies 1 Tubular borosilicate glass tube protected by a stainless steel guard tube model G231 2 Tubular borosilicate glass tube protected by a stai...
Page 2: ...en the gauge and tank flange faces 2 Fit suitable gaskets between gauge and tank flange and secure flanges together using suitable nuts bolts and washers Make sure column is in no way strained then tighten bolts 3 The gauge is supplied in a single section up to 1000mm Longer columns are supplied in general with intermediate supports which divide the column into sections each not exceeding 1000mm A...
Page 3: ...mpty gauge from a full tank is good assimilation of a broken sight glass and therefore the ASV would close preventing the tank contents from reaching the sightglass In order to prevent this occurring the lower valve must be opened very slowly If the ASV has sealed off the sightglass normal operation may be resumed by the following means 1 Close bottom valve which when fully closed re opens the ASV...
Page 4: ...nd O ring 3 4 G Leak from tank to gauge when valve is closed Replace O Ring 21 G Leak from adaptor and sight tube Replace O Ring 16 A MAINTENANCE INSTRUCTIONS A To Remove Gauge from Tank 1 Close isolating valves and isolate gauge if required 2 Remove flange gauge fixing bolts 3 Remove gauge from tank complete with gasket if required 4 Check and renew gasket if required 5 Refit gauge to tank comple...
Page 5: ... the main valve must be closed and the sightglass drained 1 Loosen grub screw in side of drain body Withdraw from body complete with plunger 2 Remove seal nut at base of drain valve body 3 Replace O rings on plunger and seal nut 4 Refit seal nut and plunger in body Unscrew plunger to ensure seal nut seats in counter bore 5 Tighten grub screw 6 Screw Plunger into seal 7 Open main valve and check fo...
Page 6: ...e free to slide but not turn 9 Tighten gland nut 10 Fill tank 11 Open valve check for leaks rectify if any 12 Close valve F To inspect or renew ASV ball 1 Drain tank below level of valve being inspected 2 Drain gauge column and column remove from isolating valves 3 Remove unit s from tank flange 4 Remove retaining clip 5 Inspect or renew ball and clip 6 Check internal passages are clear 7 Refit ba...
Page 7: ... Ring 4 1 Gland 5 1 Spindle Nut 6 1 Gland Nut 7 1 Handwheel 8 1 Set Screw 9 1 Locknut 10 1 Ball 11 1 Retaining Clip 12 2 O Ring 13 2 Clamp 14 2 Bolt 15 2 Nut 16 1 Inner Guard Tube 17 1 Tube Nut 18 1 Sight Tube 19 1 O Ring 20 1 Blanking Plate 21 1 O Ring 22 1 Knob Clip 23 1 Drain Valve Body 24 1 O Ring 25 1 Sealing Nut 26 1 Set Screw 27 1 Retaining Clip 28 1 O Ring 29 1 Plunger 30 1 Drain Tube 31 1...
Page 8: ... G23 INSTALLATION OPERATING MAINTENANCE INSTRUCTIONS SEETRU LIMITED ALBION DOCKSIDE WORKS HANOVER PLACE BRISTOL BS1 6UT ENGLAND TEL 0117 9279 204 FAX 0117 929 8193 EMAIL enquires seetru com WEB www seetru com 8 Figure 1 ...
