Product Overview
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin
Document Number 155-306P25
October 16, 2008
Siemens Industry, Inc. Page 13
Table 9. 1/2 to 1-inch, MT Series 3-Way Valves with
Powermite 599 MT Series SQS
−Electronic Valve Actuators.
Port, Action, &
Characteristic
Trim
Flow Rate
Valve
Size
Valve
Body
Assembly
24 Vac Actuator Assembly
NSR Spring Return
0 to10 Vdc Floating
C
v
K
vs
Inch
SQS65U SQS65.5U SQS85.53U
Actuator Codes
264 265 266
3-Way, Mixing, Linear,
Technical Instructions 155-197P25
Brass
0.4 0.34 1/2 (15) 599-02064 264-02064 265-02064 266-02064
0.63 0.54 1/2 (15) 599-02065 264-02065 265-02065 266-02065
1.0 0.85 1/2 (15) 599-02066 264-02066 265-02066 266-02066
1.6 1.37 1/2 (15) 599-02067 264-02067 265-02067 266-02067
2.5 2.14 1/2 (15) 599-02068 264-02068 265-02068 266-02068
4.0 3.42 1/2 (15) 599-02069 264-02069 265-02069 266-02069
6.3 5.38 0.75 (20) 599-02070 264-02070 265-02070 266-02070
10.0 8.55 1.0 (25) 599-02071 264-02071 265-02071 266-02071
Stainless Steel
0.4 0.34 1/2 (15) 599-02072 264-02072 265-02072 266-02072
0.63 0.54 1/2 (15) 599-02073 264-02073 265-02073 266-02073
1.0 0.85 1/2 (15) 599-02074 264-02074 265-02074 266-02074
1.6 1.37 1/2 (15) 599-02075 264-02075 265-02075 266-02075
2.5 2.14 1/2 (15) 599-02076 264-02076 265-02076 266-02076
4.0 3.42 1/2 (15) 599-02077 264-02077 265-02077 266-02077
6.3 5.38 0.75 (25) 599-02078 264-02078 265-02078 266-02078
10.0 2.14 1.0 (25) 599-02079 264-02079 265-02079 266-02079
• For details on the SQS65U and SQS65.5U Actuator, see Powermite 599 Series MT Series SQS Electronic Valve
Actuator Technical Instructions (155-190P25).
• For details on the SQS85.53U Actuator, see Powermite 599 Series MT Series SQS Electronic Valve Actuator
Technical Instructions (155-308P25).