Product Overview

Powermite 599 Series, MT Series Terminal Unit 2-Way Valves Submittal Sheet
Document No. 154-010P25
April 13, 2009
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and
models as design improvements are introduced. Products or company names mentioned herein may be the trademarks of their respective
owners. © 2009 Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc.
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
U.S.A.
Your feedback is important to us. If you have comments
about this document, please send them to
sbt_technical.editor.us.sbt@siemens.com
Document No. 154-010P25
Country of Origin: US
Page 3
Table 3. Close-Off Ratings in psi (kPa).
Action
Valve
Size
Inch
Flow Rate,
Cv (Kvs)
Electronic Actuator
Close-Off Ratings @ 20 psi (138 kPa)
2-Inch Pneumatic Actuator
SQS SSC
3-8 psi
(69-103 kPa)
8-13 psi
(21-55 kPa)
10-15 psi
(55-90 kPa)
NC
1/2 0.4 to 1.6 (0.34 to 1.37) 95 (655) 95 (655) 40 (276) 95 (655) 95 (655)
1/2 2.5 to 4 (2.15 to 3.44) 50 (345) 50 (345) 28 (193) 50 (345) 50 (345)
3/4 and 1 6.3 to 10 (5.43 to 8.6) 40 (276) 40 (276) 18 (124) 40 (276) 40 (276)
NO
1/2 0.4 to 1.6 (0.34 to 1.37) 160 (1103) 120 (868) 95 (655) 45 (310) 20 (138)
1/2 2.5 to 4 (2.15 to 3.44) 85 (586) 65 (448) 45 (310) 25 (172) 15 (103)
3/4 and 1 6.3 to 10 (5.43 to 8.6) 70 (482) 55 (379) 35 (241) 10 (69)
VF0290R1
C
B
A A
Female NPT x Female NPT
Typical Specifications
Automatic control valves shall have NPT threaded type
fittings, 1/2 through 1-inch sizes, and shall be ANSI
rated to withstand the pressures and temperatures
encountered.
Valves shall have metal-to-metal seats, stainless steel
stems, and Ethylene propylene O-ring packing.
Valves shall be ANSI Leakage Class IV (0.01% of Cv).
Valves shall have >50:1 rangeability for Cv<1
rangeability and >100:1 for Cv>1.
Valve Size
Inch
A
B C
Weight
All two-way valves shall be provided with equal-
percentage contoured throttling plugs.
NO NC NO NC
lbs (kg)
1/2 1-3/8 (35) 2-1/4 (57) 1-5/16 (33) .96 (.44)
For complete technical details on valves with stainless
steel trim, or union female, angle female, or union
male end connections, see Powermite 599 Series, MT
Series Terminal Unit Two-way Valves Technical
Instructions, 155-196P25.
3/4 1-5/8 (41) 2-3/8 (59) 1-5/16 (33) 1.13 (.51)
1
1-15/16
(49)
2-3/4 (69) 1-9/16 (39) 1.7 (.77)
Figure 1. Two-way Valve Dimensions in Inches (mm).