Product Overview

Submittal Sheet
Document No. 154-025P25
August 20, 2007
Powermite 599 ANSI Class 250,
MT Series Terminal Unit 3-Way Valves
Siemens Industry, Inc.
Description
The Powermite 599 Series ANSI Class 250 MT Series
3-way valve bodies work with any MT Series pneumatic or
electronic actuator with a 7/32-inch (5.5 mm) stroke.
Typical applications include mixing of hot or chilled water
and the control of glycol solutions up to 50%. Compatible
actuators deliver a minimum of 67 lb (300 N) of force.
Features
• Direct-coupled universal bonnet.
• Female NPT end connections with brass and
stainless steel trim.
• ANSI Leakage Class IV (0.01% of Cv).
Product Numbers
Use the product numbers in the tables to order the valve
and the actuator assembled together. The product number
consists of a 3-digit prefix code, a hyphen, and a 5-digit
suffix code. The prefix specifies an actuator. The suffix
specifies the valve body.
Table 1. 3-Way, Mixing Valve & Actuator Assemblies with Brass Trim.
Valve
Body
Valve
Size,
Inch
Cv
(Kvs)
2-Inch Pneumatic Actuators,
Spring Return (Fail Safe) *
Electro-mechanical, 24V
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
SQS65U
0-10V,
NSR
SQS65.5U
0-10V,
SR
SQS85.53U
Floating,
SR
Actuator Prefix Code
256 257 258 259 260 261 262 264 265 266
599-02064
1/2
0.4
(0.34)
256-02064A 257-02064B
258-02064 259-02064 260-02064 261-02064 262-02064 264-02064 265-02064 266-02064
599-02065
1/2
0.63
(0.54)
256-02065A 257-02065B
258-02065 259-02065 260-02065 261-02065 262-02065 264-02065 265-02065 266-02065
599-02066
1/2
1
(0.85)
256-02066A 257-02066B
258-02066 259-02066 260-02066 261-02066 262-02066 264-02066 265-02066 266-02066
599-02067
1/2
1.6
(1.37)
256-02067A 257-02067B
258-02067 259-02067 260-02067 261-02067 262-02067 264-02067 265-02067 266-02067
599-02068
1/2
2.5
(2.14)
256-02068A 257-02068B
258-02068 259-02068 260-02068 261-02068 262-02068 264-02068 265-02068 266-02068
599-02069
1/2
4
(3.42)
256-02069A 257-02069B
258-02069 259-02069 260-02069 261-02069 262-02069 264-02069 265-02069 266-02069
599-02070
3/4
6.3
(5.38)
256-02070A 257-02070B
258-02070 259-02070 260-02070 261-02070 262-02070 264-02070 265-02070 266-02070
599-02071
1
10
(8.55)
256-02071A 257-02071B
258-02071 259-02071 260-02071 261-02071 262-02071 264-02071 265-02071 266-02071
* Product numbers in gray shading are available as assemblies only.
266-02068
3-Digit Actuator
Prefix Code
5-Digit Valve Body
Suffix Code