Product Overview

MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin
Document Number 155-306P25
October 16, 2008
Siemens Industry, Inc. Page 15
Table 11. Actuator Dimensions and Recommended Service Envelope.
Dimensions in Inches (Millimeters).
Actuator
Actuator
Prefix Code
Valve
Size
Center line to Top of
Actuator,
H1
Service Height,
H
Width or Diameter
of Actuator,
W1
Service
Width
W
599-01088
2-Inch
Pneumatic
256,
257,
258
1/2 (15) 3-1/16 (78) 11 (280) 4 (100) 10 (250)
3/4 (20) 3-1/16 (78) 11 (280) 4 (100) 10 (250)
1 (25) 3-5/16 (84) 11-1/4 (285) 4 (100) 10 (250)
SQS65U
0 to10V
NSR
264
1/2 (15) 6-5/8 (167) 14-1/2 (370) 5-1/16 (128) 9 (225)
3/4 (20) 6-5/8 (167) 14-1/2 (370) 5-1/16 (128) 9 (225)
1 (25) 6-7/8 (173) 15 (380) 5-1/16 (128) 9 (225)
SQS65.5U
0 to 10V
SR
265
1/2 (15) 6-1/16 (153) 14 (355) 5-1/16 (128) 9 (225)
3/4 (20) 6-1/16 (153) 14 (355) 5-1/16 (128) 9 (225)
1 (25) 6-5/16 (159) 14-1/2 (370) 5-1/16 (128) 9 (225)
SQS85.53U
Floating
SR
266
1/2 (15) 6-1/16 (153) 14 (355) 5-1/16 (128) 9 (225)
3/4 (20) 6-1/16 (153) 14 (355) 5-1/16 (128) 9 (225)
1 (25) 6-5/16 (159) 14-1/2 (370) 5-1/16 (128) 9 (225)
SSC61U
0 to 10V
NSR
261
1/2 (15)
5-1/2 (140)
13-1/2 (343)
5-1/2 (140)
13-1/2 (343)
3/4 (20) 5-1/2 (140) 13-1/2 (343) 5-1/2 (140) 13-1/2 (343)
1 (25) 5-3/4 (146) 13-3/4 (349) 5-3/4 (146) 13-3/4 (349)
SSC61.5U
0 to10V
SR
262
1/2 (15) 5-1/2 (140) 13-1/2 (343) 5-1/2 (140) 13-1/2 (343)
3/4 (20) 5-1/2 (140) 13-1/2 (343) 5-1/2 (140) 13-1/2 (343)
1 (25) 5-3/4 (146) 13-3/4 (349) 5-3/4 (146) 13-3/4 (349)
SSC81U
Floating
NSR
259
1/2 (15) 5-1/2 (140) 13-1/2 (343) 5-7/8 (140) 13-1/2 (343)
3/4 (20) 5-1/2 (140) 13-1/2 (343) 5-7/8 (140) 13-1/2 (343)
1/2 (15) 5-3/4 (146) 13-3/4 (349) 5-3/4 (146) 13-3/4 (349)
SSC81.5U
Floating
SR
260
3/4 (20) 5-1/2 (140) 13-1/2 (343) 5-1/2 (140) 13-1/2 (343)
1 (25) 5-1/2 (140) 13-1/2 (343) 5-1/2 (140) 13-1/2 (343)
1/2 (15) 5-3/4 (146) 13-3/4 (349) 5-3/4 (146) 13-3/4 (349)