Data Sheet for Product

Submittal Sheet Powermite 599 Series, MT Series Terminal Unit 2-Way Valves
Document No. 154-010P25
February 9, 2018
Page 2 Siemens Industry, Inc.
Table 2. Two-Way Valve and Actuator Assemblies with Stainless Steel Trim and Female NPT Connections.
Valve
Body
Valve
Size,
Inches
Cv
(Kvs)
2-Inch Pneumatic Actuators,
Spring Return (Fail Safe) *
Electro-mechanical, 24 Vac
10-15 psi
(69-103 kPa)
3-8 psi
(21-55 kPa)
8-13 psi
(55-90 kPa)
SSC81U
Floating,
NSR
SSC81.5U
Floating
SR
SSC61U
0-10V,
NSR
SSC61.5U
0-10V,
SR
SAS81.03U
Floating,
NSR
SAS81.33U
Floating,
SR
SAS61.03U
0-10V/
4-20 mA
NSR
SAS61.33U
0-10V/
4-20 mA
SR
Actuator Prefix Code
256 257 258 259 260 261 262 363 366 364 365
Normally Closed
599-02015
1/2 0.4 (0.34)
256-02015
257-02015B 258-02015C
259-02015 260-02015 261-02015 262-02015 363-02015 366-02015 364-02015 365-02015
599-02017
1/2 0.63 (0.54)
256-02017
257-02017B 258-02017C
259-02017 260-02017 261-02017 262-02017 363-02017 366-02017 364-02017 365-02017
599-02019
1/2 1 (0.85)
256-02019
257-02019B 258-02019C
259-02019 260-02019 261-02019 262-02019 363-02019 366-02019 364-02019 365-02019
599-02021
1/2 1.6 (1.37)
256-02021
257-02021B 258-02021C
259-02021 260-02021 261-02021 262-02021 363-02021 366-02021 364-02021 365-02021
599-02023
1/2 2.5 (2.14)
256-02023
257-02023B 258-02023C
259-02023 260-02023 261-02023 262-02023 363-02023 366-02023 364-02023 365-02023
599-02025
1/2 4 (3.42)
256-02025
257-02025B 258-02025C
259-02025 260-02025 261-02025 262-02025 363-02025 366-02025 364-02025 365-02025
599-02027
3/4 6.3 (5.38)
256-02027
257-02027B 258-02027C
259-02027 260-02027 261-02027 262-02027 363-02027 366-02027 364-02027 365-02027
599-02029
1 10 (8.55)
256-02029
257-02029B 258-02029
259-02029 260-02029 261-02029 262-02029 363-02029 366-02029 364-02029 365-02029
Normally Open
599-02047
1/2 0.4 (0.34)
256-02047A
257-02047
258-02047C
259-02047 260-02047 261-02047 262-02047 363-02047 366-02047 364-02047 365-02047
599-02049
1/2 0.63 (0.54)
256-02049A
257-02049
258-02049C
259-02049 260-02049 261-02049 262-02049 363-02049 366-02049 364-02049 365-02049
599-02051
1/2 1 (0.85)
256-02051A
257-02051
258-02051C
259-02051 260-02051 261-02051 262-02051 363-02051 366-02051 364-02051 365-02051
599-02053
1/2 1.6 (1.37)
256-02053A
257-02053
258-02053C
259-02053 260-02053 261-02053 262-02053 363-02053 366-02053 364-02053 365-02053
599-02055
1/2 2.5 (2.14)
256-02055A
257-02055
258-02055C
259-02055 260-02055 261-02055 262-02055 363-02055 366-02055 364-02055 365-02055
599-02058
1/2 4 (3.42)
256-02058A
257-02058
258-02058C
259-02058 260-02058 261-02058 262-02058 363-02058 366-02058 364-02058 365-02058
599-02061
3/4 6.3 (5.38)
256-02061A
257-02061
258-02061C
259-02061 260-02061 261-02061 262-02061 363-02061 366-02061 364-02061 365-02061
599-02063
1 10 (8.55)
256-02063A
257-02063
258-02063C
259-02063 260-02063 261-02063 262-02063 363-02063 366-02063 364-02063 365-02063
* Product numbers in gray shading are available as assemblies only.
Technical Data
Valve Size
1/2
-
inch to 1
-
inch
Body Globe style, ANSI Class 250
1/2- and 3/4-inch C37700 Forged brass.
1-inch UNS CA 844 Bronze
Trim Brass or Stainless Steel
Stem Stainless steel
ASTM A582 Type 303,
7/32-inch (5.5-mm) stroke
Seat Metal-to-metal
Packing Ethylene propylene O-ring
Close-off Ratings According to ANSI/FCI 70-2
See Table 3.
Controlled Medium Water, water-glycol solutions to
50%, low pressure steam <15 PSI
(with stainless steel trim only).
Media Temperature 35°F to 250°F (2°C to 120°C)
Maximum Differential Pressure for Modulating Service:
Media Brass Trim Stainless Steel Trim
Liquid 25 psi (173 kPa) 50 psi (345 kPa)
Steam — 15 psi ( 103 kPa)
Rangeability Cv <1 = >50:1,
Cv >1 = >100:1
Leakage Rate Class IV (0.01% of Cv)
Flow Characteristics Modified equal percentage
Mounting NEMA 1 (interior only)