Data Sheet for Product
Technical Bulletin MT Series Terminal Unit Valve and Actuator Assembly Selection
Document Number 155-306P25
October 27, 2015
Page 14 Siemens Industry, Inc.
Table 10. 1/2-Inch to 1-Inch, MT Series 3-Way Valves with
Powermite 599 MT Series SSC
−Electronic Valve Actuators.
Port, Action, &
Characteristic
Trim
Flow Rate
Valve
Size
Valve Body
Assembly
24 Vac Actuator Assembly
0 to 10 Vdc
Floating
NSR
SR
NSR
SR
SSC61U
SSC61.5U
SSC81U
SSC81.5U
C
v
K
vs
Inches
(mm)
Actuator Prefix Code
261
262
259
260
3-Way, Mixing, Linear,
Technical Instructions 155-197P25
Brass
0.4
0.34
1/2 (15)
599-02064
261-02064
262-02064
259-02064
260-02064
0.63
0.54
1/2 (15)
599-02065
261-02065
262-02065
259-02065
260-02065
1
0.85
1/2 (15)
599-02066
261-02066
262-02066
259-02066
260-02066
1.6
1.37
1/2 (15)
599-02067
261-02067
262-02067
259-02067
260-02067
2.5
2.14
1/2 (15)
599-02068
261-02068
262-02068
259-02068
260-02068
4
3.42
1/2 (15)
599-02069
261-02069
262-02069
259-02069
260-02069
6.3
5.38
3/4 (20)
599-02070
261-02070
262-02070
259-02070
260-02070
10
8.55
1.0 (25)
599-02071
261-02071
262-02071
259-02071
260-02071
Stainless Steel
0.4
0.34
1/2 (15)
599-02072
261-02072
262-02072
259-02072
260-02072
0.63
0.54
1/2 (15)
599-02073
261-02073
262-02073
259-02073
260-02073
1
0.85
1/2 (15)
599-02074
261-02074
262-02074
259-02074
260-02074
1.6
1.37
1/2 (15)
599-02075
261-02075
262-02075
259-02075
260-02075
2.5
2.14
1/2 (15)
599-02076
261-02076
262-02076
259-02076
260-02076
4
3.42
1/2 (15)
599-02077
261-02077
262-02077
259-02077
260-02077
6.3
5.38
3/4 (20)
599-02078
261-02078
262-02078
259-02078
260-02078
10
2.14
1.0 (25)
599-02079
261-02079
262-02079
259-02079
260-02079
• For details on the SSC61U and SSC61.5U, see Powermite 599 Series MT Series SSC Electronic Valve
Actuator 24 Vac Proportional Control Technical Instructions (155-313P25).
• For details on the SSC81U and SSC81.5U, see Powermite 599 Series MT Series SSC Electronic Valve
Actuator 24 Vac Floating Control Technical Instructions (155-314P25).
Figure 5. Service Envelope