Selection Guide

Technical Bulletin Flowrite™ 599 Series Valve and Actuator Assembly Selection
Document No. 155-304P25
May 21, 2008
Page 24 Siemens Building Technologies, Inc.
Figure 4. Actuator Dimensions. See Table 8.
Table 8. Dimensions of the Actuator and Recommended Service Envelope.
Dimensions in Inches (Millimeters).
Actuator
Actuator
Prefix
Code
Actual
Height of
Actuator
H1
Service
Height
H
Actual Width or
Diameter of Actuator
W1
Service
Width
W
4-inch
Pneumatic
268, 269,
270
5-3/4
(146)
14
(350)
5-1/2 (137) diameter
18
(450)
8-inch'
Pneumatic
277, 278,
283, 284
14-1/8
(359)
26
(660)
8-3/4 (222) diameter
21
(533)
12-inch
Pneumatic
279, 281,
285, 287
17-7/8
(454)
30
(762)
15-1/8 (384) diameter
27
(686)
SKB/C with
handle closed
289, 290,
291, 292,
293, 294
14-3/4
(375)
22-3/4
(578)
7 (178) width ×
8-15/16 (226) depth
25
(635)
SKD
274, 275,
276
11-13/16
(300)
19-3/4
(500)
5 (127) width ×
6-5/8 (169) depth
14-1/2
(360)
SQX
271, 272,
273
8-7/8
(226)
17
(430)
5-17/32 (140) width ×
4-3/8 (111) depth
13-1/2
(340)
El/Mech with
linkage
295, 296,
297
11
(280)
22
(559)
5-3/4 (144) width ×
8-7/8 (225) depth
25-3/4
(654)