KSB SICCA GLS Series, Руководство по эксплуатации

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SICCA
5.3.12 Sectional Drawing - Gate valve
100 Body
139 Bonnet*
200 Stem
367 Disc holder
411 Gasket
452 Gland flange
456 Gland bush
457 Packing ring
(Neck ring)
461 Gland packing
501 Thrust ring
500 Split ring
504 Spacer ring
508 Wedge retaining ring
515 Seat ring
550 Disc**
553 Thrust plug
(Thrust insert)
560 Pin (Disc holder)
Part no. Name Part no. Name
563 Pin (Thrust insert)
583 Bonnet retainer
583.1 Retaining ring
900 Tie rod
902.1 Stud-1
(Gland flange)
904 Grub screw
914.1 Socket head cap screw
(Retaining ring)
914.2 Socket head cap screw
(Tie rod)
920.1 Hex. nut-1
(Gland flange)
920.2 Hex. nut-2
(Retaining plate)
926 Stem stop nut
729 Top plate
870 Gear Box
Related documents
Type Size Class Type leaflet no.
GTC 900-3600 2”- 28” 900-3600 7241.1/02-EN
5.3.13 Gate valves (class 3100, 3600)
The valve consists mainly of body (100), bonnet (139), tie rods
(900), as well as wedge and stem (200) and the actuating unit.
Steam seal area : The gland packing (461) which seal the
stem (200) is tightened by the studs (902) and nuts (920) on
the gland flange (452). The bonnet (139) is equipped with an
integral, hard faced back seat, which seals the valve while stem
is in upmost position.
Flow seal area : The seat rings (515) are seal welded into the
body (100). The wedge unit consists of two hard faced discs
(550) which can pivot on the disc holder (367). The discs are
supported by replaceable thrust inserts held by a pin. The discs
are secured from turning by a retaining element at the bottom
on the stem (200). The double disc wedge unit is screwed on
the stem (200) and guided by lateral rails in the body (100).
Bonnet seal area : The valve is equipped with a pressure seal
bonnet. The bonnet (139) is pressed against the gasket (411) by
the pressure in the valve body (100). The gasket is supported
by the spacer ring (504) and the segmental thrust ring (501)
which is seated in a groove of the body (100). The gasket is
precompressed between disc thrust plate and bonnet (139) by
means of the studs (902) and nuts (920).
GTC 3100-3600
8
367
515
550
100
508
904
139
504
457
583.1
461
900
914.2
729
200
902
920
452
914.1
500
583
501
411
563
553
870
456
GEAR BOX