KSB ECOLINE FYC, Operating Manual

Page: 21 / 100

4 Valve Description
21 of 100
4.3.2.5 Materials
961
544
920
452
465
902
461
901
166
411
200
350
515
100
1
① Tack-welded
Table 15: Parts list
Part No.
Description Material
A 105
Trim 8
A 182 F11
Trim 5 A 182 F22
Trim 5 A 182 F304
Trim 2 A 182 F316
Trim 10
100 Body A 105 A 182 F11 A 182 F22 A 182 F304 A 182 F316
166 Yoke A 105 A 182 F11 A 182 F22 A 182 F304 A 182 F316
200 Stem A 182 F6a A 182 F6a A 182 F6a A 182 F304 A 182 F316
350 Valve disc A 182 F6a A 182 F6a + STL6 A 182 F6a + STL6 A 182 F304 A 182 F316
411 Joint ring 304 + graphite 304 + graphite 304 + graphite 304 + graphite 316 + graphite
452 Gland follower A 105 A 105 A 105 A 182 F304 A 182 F316
465 Lower gland
section A 276 410 A 276 410 A 276 410 A 276 304 A 276 316
461 Gland packing Flexible graphite Flexible graphite Flexible graphite Flexible graphite Flexible graphite
515 Seat ring STL6 (integral) STL6 (integral) STL6 (integral) 304 (integral) 316 (integral)
544 Threaded bush A 276 410 A 276 410 A 276 410 A 276 410 A 276 410
901 Bolt A 193 B7 A 193 B16 A 193 B16 A 193 B8 A 193 B8M
902 Stud A 193 B8 A 193 B16 A 193 B16 A 193 B8 A 193 B8
920 Nut A 194 2H A 194 8 A 194 8 A 194 8 A 194 8M
961 Handwheel A 197 A 197 A 197 A 197 A 197
4.3.2.6 Function
The main components of the globe valves are the body (100), the yoke (166), the
valve disc (351), the stem (200) and the actuating unit.
Stem seal
The gland packing (461), which seals off the stem (200), is tightened via the gland
follower (452) by means of studs (902) and nuts (920). The yoke (166) features an
integral back seat which seals off the valve when the stem (200) is fully retracted.
Seat/disc interface
The integral seating surfaces in the body (100) are hard-faced. The valve disc (351) is
connected to the stem (200) by a "T" joint.
Bonnet/cover seal
The yoke (166) is bolted to the body (100). The joint is sealed by a joint ring (411).
4.3.3 ECOLINE GLF 800-2500