5
Annex
5.1
Technical data
Valve
Housing
Seat
Cone
Kvs value
Setting ratio
Leakage rate
Valve spindle
Spindle sealing
Mounting
Dimensions + weights see dimensional drawings and dimension table page GB 13
Actuator
Actuator
Operating range
Actuator spindle
Yoke (lantern)
Options
Housing
Cone
Actuator
42/13 20 XB
Nominal size:
DN 25...125 acc. to table, page GB 8
Design:
Angle or straight through valve
Connection:
Threaded connection DIN 11851 or welded end
other connections on request)
Pressure:
Differential pressure on cone acc. to table, page GB 8
Static pressure:
max. 25 bar with DN 25...50
max. 20 bar with DN 65...100
max. 10 bar with DN 125
Material:
Housing 1.4404, sand blasted
Threaded connection 1.4301
Material 1.4404
(ring fixed in the housing undersection for angle valve,
loosely installed ring for the straight though valve)
Parabolic shape, Material 1.4571
Characteristic linear or equal percentage
See table, page GB 8
40 : 1
(referred to the Kvs value)
< 0.01 % with metallic sealing
< 0.001 % in the case of cone with compressible seal)
Material 1.4571
Spindle sealing ring made of ethylene propylene (EPDM) for 10 ... 135 °C
Threaded connection or welded ends, freely inserted in pipelines
(do not affix any bracket on the actuator)
Actuator vertically upwards (standard position)
Multispring diaphragm actuator of stainless steel 1.4301
Size Ø 270 (MF1) or 400 (MF3) with rubber diaphragm
Number of springs: 3 6 12 (see table, page GB 8)
Direction of action:Air opens/spring force closes
Air closes/spring force opens
With stroke display
Operating pressure max. 6 bar, temperature 20... +80 °C
Air pipe connection R 1/8'' (with Ø 400 mm R 1/4'')
See specifications for positioner
Stainless steel 1.4122
Stainless steel 1.4541
Housing and seat of material 1.4571
Connection as flange or other thread standard (on request)
Straight through valve with 3 level cone
Three way mixing or distribution valve
Cone with compressible seal
of ethylene propylene (EPDM) for 10 ... 135 °C
Positioner 23/57, attached and set
Attachment integrated, with protected stroke pickup and inner air duct to the diaphragm cham
ber, no outer piping
(on request)
(on request)
(on request)
Control Valves 23/26
GB 7