KSB SICCA GLS Series, Operating Instructions Manual

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SICCA
5.3.11 Forged Gate, Globe and Check valves
(class 800, 1500, 2500)
All forged valves have been designed according to the following
standards and specifications : ASME B16.34. API 602.
Forged valves mainly consist of body, bonnet and the closing
as well as the actuating unit (only gate and globe valves).
Stem seal area : The gland packing of gate and globe valves
which seals the stem is tightened by the studs and nuts on the
gland flange. The bonnet is equipped with an integral back
seat, which seats the valve when stem is in upmost position.
GTF 800-2500 GLF 800-2500 PCF 800-2500
5.3.10 Typical Sectional Drawing - Forged Gate, Globe & Check valves
7
Related documents
Type Size Class Type leaflet no.
GTF 1/4”-2” 800-2500 7235.1/04-EN
GLF 1/4”-2” 800-4500 7236.1/02-EN
PCF 1/4”-2” 800-4500 7237.1/02-EN
165
165
100 Body
160 Cover
165 Bonnet
200 Stem
350 Disc (GLF)
351 Disc (PCF)
360 Wedge
411 SW Gasket
452 Gland Flange
456 Gland Bush
457 Packing ring
Part no. Name
461 Gland Packing
515 Seat Ring
544 Stem Nut
901 Hex Bolt
902 Stud
920 Hex. Nut
921 Hand Wheel Nut
931 Washer
950 Spring
961 Hand wheel
Part no. Name
Flow seal area : The hard faced seat rings of gate valves
are swagged into the body. The solid wedge is connected to
the stem by a “T” joint. The integral seal faces of the body
of globe and check valves are hard faced. The turning disc of
globe valves is connected to the stem by caulking or T-slot
disc according to respective pressure class.The disc of check
valves is spring loaded.
Bonnet seal area : The bonnet/yoke of class 800 valves is
bolted to the body. In the case of class 1500 & 2500 the bonnet
is threaded and seal welded to the body.
‘T’ Slot Type
Stem-Disc
Connection
for 1500-2500 GLF
200
350
515