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14
ULTRA LOW FLOW
Used where slurry dilution is not desirable and can be used on high suction lifts.
Figure 7
- Ultra Low Flow Arrangement
To assemble stuffing box seal:
I.
Place Stuffing Box flat on surface, wet end side down.
Full Flow & Low Flow Packed Glands
1.
Place Lantern Restrictor, small ID down, into stuffing box bore
2.
Stand Shaft Sleeve on its end with small ID down, and slide through Lantern Restrictor
3.
Fit first Packing Ring to fill the Stuffing Box
4.
Fit Packing Rings, staggering joints and flattening each ring separately, until they almost
completely fill the Stuffing Box chamber
Ultra-Low Flow Packed Glands
1.
Place Neck Ring into stuffing box bore
2.
Place Lip Seal into stuffing box bore, with flat side of lip seal facing upwards
3.
Stand Shaft Sleeve on its end with small ID down, and slide through Lip Seal
4.
Fit
Lantern Ring
5.
Fit Packing Rings, staggering joints and flattening each ring separately, until they almost
completely fill the Stuffing Box chamber
II.
Fit Gland Assembly over Shaft Sleeve and press to engage bore of Stuffing Box. Press down to
compress Packing Rings. Fit Gland Bolts to recesses in Stuffing Box, engaging holes in Gland
Assembly, fit washers and nuts, and tighten just sufficiently to hold Shaft Sleeve (final adjustment will
be made when running the pump). A cable tie or similar may be used to secure bolts in position.