User Guide

Powermite 599 Series MT Terminal Unit 3-way Valves Technical Instructions
Document Number 155-197P25
May 20, 2008
Siemens Industry, Inc. Page 5
Figure 2. Close-off Pressures.
Table 5. Close-off Pressures for Electronic Actuators.
Action
3-way
Valve Size
Inch (mm)
SQS
psi (kPa)
SSC
psi (kPa)
NC
1/2 0.4< Cv <1.6
(15) (0.34< Kvs <1.37)
95 (655) 95 (655)
Upper Port
1/2 2.5< Cv <4
(15) (2.15< Kvs <3.44)
50 (345) 50 (345)
3/4 (20)
40 (276) 40 (276)
1 (25)
1 (25)
10 (69) 10 (69)
NO
1/2 0.4< Cv <1.6
(15) (0.34< Kvs <1.37)
160 (1103) 95 (655)
1/2 2.5< Cv <4
(15) (2.15< Kvs <3.44)
85 (586) 55 (379)
Bottom Port
3/4 (20)
70 (482) 40 (276)
1 (25)