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Powermite 599

Technical Bulletin

Document No. 155-306P25

TB 251

October 27, 2015

MT Series Terminal Unit Valve

and Actuator Assembly

Selection

Siemens Industry, Inc.

Description

This Technical Bulletin aids in selecting a Powermite 599 Series MT Series terminal

unit valve and actuator assembly. Figure 1 provides a graph of water capacity for

selecting the proper valve size. Figures 2 through 5 show close-off pressures for

selecting an actuator according to specifications.

Tables 2 through 10 identify the product numbers. Table 1 provides a guide to these

tables. The tables show all possible combinations of Powermite 599 Series valves and

compatible actuators that can be ordered as complete valve assemblies from the

factory.

Tables 11 through 13 provide the dimensions of all valves and the service envelope

required for each actuator.

Using the Valve and

Actuator Selection

Graphs

Use Figure 1, the water capacity graph, to select a valve size as follows:

1. Locate the specified flow rate on the vertical axis.

2. Follow across on the horizontal axis to the point of intersection with the specified

pressure drop.

3. Choose the valve size from the heavy diagonal lines across the graph.

Use Figures 2 through 5, the close-off pressure graphs, to select an actuator as follows:

1. Choose the graph for the valve action (normally open or closed) and actuator

power source (electronic or pneumatic) specified.

2. Locate the bar that represents the valve size. The top of the bar indicates the

maximum close-off pressure for tight close off.

Use the legend at the bottom of the graph to identify the actuator.

Using the Valve and

Actuator Assembly

Tables

Use Tables 2 through 10 to select a valve and actuator assembly as follows:

1. Locate the appropriate table based on the required valve type, valve action, and

actuator type per Table 1.

2. Read Tables 2 through 10 from left to right and select the appropriate valve

specifications to identify the row with the required valve body.

3. Read across the top of the table and select the appropriate actuator specifications

to identify the column with the required actuator.

4. Read down the actuator column and read across the valve body row. The

column/row intersection determines the appropriate valve and actuator assembly.

The valve and actuator assembly product number is the actuator prefix code added

to the valve body suffix.

Summary of content (16 pages)

PAGE 1
Technical Bulletin Document No. 155-306P25 TB 251 October 27, 2015 Powermite 599 MT Series Terminal Unit Valve and Actuator Assembly Selection Description This Technical Bulletin aids in selecting a Powermite 599 Series MT Series terminal unit valve and actuator assembly. Figure 1 provides a graph of water capacity for selecting the proper valve size. Figures 2 through 5 show close-off pressures for selecting an actuator according to specifications. Tables 2 through 10 identify the product numbers.
PAGE 2
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Selection Example Specifications In an ANSI 250 piping system, a two-way, normally closed (NC), female-by-female (F×F) NPT threaded valve is to deliver 20 gpm (4.5 m 3/h) chilled water with no more than 5 psi (35 kPa) pressure drop across the fully open valve. The actuator is to receive 24 Vac power, supply a floating control signal, and provide spring return (SR) operation.
PAGE 3
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Table 1. Guide to Valve/Actuator Tables. Table No. Valve Type and Action 2 3 Pneumatic 2-Way, Normally Closed 4 SAS Electronic SSC Electronic 5 6 Actuator Type Pneumatic 2-Way, Normally Open SAS Electronic 7 SSC Electronic 8 Pneumatic 9 10 3-Way, Mixing SAS Electronic SSC Electronic Figure 1. Water Capacity Graph. Siemens Industry, Inc.
PAGE 4
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Figure 2. Maximum Close-off Pressure of Electronic Actuators on 2-Way Valves. Figure 3. Maximum Close-Off Pressure of 2-Inch Pneumatic Actuator on 2-Way Valve with Alternate Spring Ranges. (NO at 20 PSI Actuator Pressure, NC at 0 PSI, Actuator Pressure.) Page 4 Siemens Industry, Inc.
PAGE 5
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Figure 4. Maximum Close-off Pressure of Electronic Actuators on 3-Way Valves. Figure 5. Maximum Close-off Pressure of 2-Inch Pneumatic Actuator on 3-Way Valve with Alternate Spring Ranges. (Lower Port Close-off at 20 PSI Actuator Pressure, Port Close-off Pressures at 0 PSI Actuator Pressure.) Siemens Industry, Inc.
PAGE 6
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Table 2. 1/2-Inch to 1-Inch, MT Series 2-Way, Normally Closed Valves with Powermite 599 MT Series 2-Inch Valve Actuator (599-01088).
PAGE 7
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Table 3. 1/2-Inch to 1-Inch, MT Series 2-Way, Normally Closed Valves with Powermite 599 MT Series SAS Electronic Valve Actuators.
PAGE 8
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Cv Kvs Inches 0.4 0.63 1 1.6 2.5 4 6.3 10 0.4 0.63 1 1.6 2.5 4 6.3 0.4 0.63 1 1.6 2.5 4 6.3 10 0.4 0.63 1 1.6 2.5 4 6.3 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 0.34 0.54 0.85 1.37 2.14 3.42 5.38 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 0.34 0.54 0.85 1.37 2.14 3.42 5.38 0.5 0.5 0.5 0.5 0.5 0.5 0.75 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.75 0.5 0.5 0.5 0.5 0.5 0.5 0.75 1.0 0.5 0.5 0.5 0.
PAGE 9
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Cv Kvs Inch 0.4 0.63 1 1.6 2.5 4 6.3 10 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 0.4 0.63 1 1.6 2.5 4 6.3 0.34 0.54 0.85 1.37 2.14 3.42 5.38 AF x UM 2.5 4 2.14 3.42 FxF 0.4 0.63 1 1.6 2.5 4 6.3 10 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 0.4 0.63 1 1.6 2.5 4 6.3 0.34 0.54 0.85 1.37 2.14 3.42 5.
PAGE 10
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Table 6. 1/2-Inch to 1-Inch, MT Series 2-Way, Normally Open Valves with Powermite 599 MT Series SAS Electronic Valve Actuators. 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 1/2 (15) 6.3 10 5.38 8.55 FxUM Connection 0.34 0.54 0.85 1.37 2.14 3.42 0.4 0.63 1 1.6 2.5 4 6.3 0.34 0.54 0.85 1.37 2.14 3.42 5.
PAGE 11
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 FxUM Stainless Steel FxF AF x UM AF x UM Valve Size Cv Kvs Inches 0.4 0.63 1 1.6 2.5 4 6.3 10 0.4 0.63 1 1.6 2.5 4 6.3 2.5 4 0.4 0.63 1 1.6 2.5 4 6.3 10 0.4 0.63 1 1.6 2.5 4 6.3 2.5 4 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 0.34 0.54 0.85 1.37 2.14 3.42 5.38 2.14 3.42 0.34 0.54 0.85 1.37 2.14 3.42 5.38 8.55 0.34 0.54 0.85 1.37 2.14 3.42 5.38 2.14 3.
PAGE 12
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection • Trim Brass Stainless Steel 3-Way, Mixing, Linear, Technical Instructions 155-197P25 Port, Action, & Characteristic Table 8. 1/2-Inch to 1-Inch, MT Series 3-Way Valves with Powermite MT Series 2-Inch Pneumatic Valve Actuator (599-01088).
PAGE 13
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Table 9. 1/2-Inch to 1-Inch, MT Series 3-Way Valves with Powermite 599 MT Series SAS−Electronic Valve Actuators. Flow Rate Trim Brass NSR Valve Body Assembly Cv Stainless Steel 3-Way, Mixing, Linear, Technical Instructions 155-197P25 Port, Action, & Characteristic 24 Vac Actuator Assembly Valve Size Kvs SR Floating SAS81.03U Inches NSR SR 0-10V/4-20 mA SAS81.
PAGE 14
Technical Bulletin Document Number 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Table 10. 1/2-Inch to 1-Inch, MT Series 3-Way Valves with Powermite 599 MT Series SSC−Electronic Valve Actuators. Trim Brass Stainless Steel 3-Way, Mixing, Linear, Technical Instructions 155-197P25 Port, Action, & Characteristic 24 Vac Actuator Assembly Flow Rate Valve Size Cv Kvs Inches (mm) 0.4 0.63 1 1.6 2.5 4 6.3 10 0.4 0.63 1 1.6 2.5 4 6.3 10 0.34 0.54 0.85 1.37 2.
PAGE 15
MT Series Terminal Unit Valve and Actuator Assembly Selection Technical Bulletin Document Number 155-306P25 October 27, 2015 Table 11. Actuator Dimensions and Recommended Service Envelope. Dimensions in Inches (Millimeters).
PAGE 16
Technical Bulletin Document No. 155-306P25 October 27, 2015 MT Series Terminal Unit Valve and Actuator Assembly Selection Table 12. 3-Way Valve Dimensions. Female NPT × Female NPT F×F Valve Size inch (mm) A B C Weight lb (kg) 1/2 (15) 2-3/4 (70) 2-15/16 (74) 1-5/16 (33) 1.10 (0.5) 3/4 (20) 3-1/4 (83) 3-9/16 (90) 1-5/16 (33) 1.44 (.65) 1 (25) 3-7/8 (98) 3-15/16 (99) 1-9/16 (39) 2.20 (1.0) Female NPT × Union Male F×UM Angle Female × Union Male AF×UM Table 13. 2-Way Valve Dimensions.