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VE VVG Electronic Two-way Valves

Technical Instructions

Document Number 155-112P25

Rev. 3 August, 2002

Page 2

Siemens Industry, Inc.

Product Numbers
and Ordering
Information,
Continued

Table 1.  Product Information.

Nominal

Valve Size

Inches

(mm)

C

v

 (K

vs

)

Valve Product Number

Actuator Product Number

Spring & Non-Spring Return

Union

Sweat

Non-

Spring
Return

Spring Return

Range-

Ability

Close-Off

psig (kPa)

Max

 P *

psig (kPa)

1/2  (15)  0.47 (0.4)  VVG44.15-0.4U

VVG44.15-0.4S

SQS65U

SQS65.5U

50

232 (1600)

58 (400)

1/2  

(15)  1.17  (1)

VVG44.15-1U

VVG44.15-1S

SQS65U

SQS65.5U

50

123 (850)

58 (400)

1/2  (15)  1.87 (1.6)  VVG44.15-1.6U

VVG44.15-1.6S

SQS65U

SQS65.5U

100

123 (850)

58 (400)

1/2  (15)  2.92 (2.5)  VVG44.15-2.5U

VVG44.15-2.5S

SQS65U

SQS65.5U

100

58 (400)

58 (400)

1/2  

(15)  4.68  (4)

VVG44.15-4U

VVG44.15-4S

SQS65U

SQS65.5U

100

58 (400)

58 (400)

3/4  (20)  7.37  

(6.3)  VVG44.20-6.3U

VVG44.20-6.3S

SQS65U

SQS65.5U

100

116 (800)

58 (400)

1

(25) 11.7 (10)  VVG44.25-10U

- - -

SQS65U

SQS65.5U

100

585 (400)

43.5 (300)

1-1/4 (32)  18.7 (16)  VVG44.32-16U

- - -

SQS65U

SQS65.5U

100

32 (225)

29 (200)

1-1/2 

(40) 29  (25)  VVG44.40-25U

- - -

SQS65U

SQS65.5U

100

14.5 (100)

14.5 (100)

Max

 P * = Maximum recommended differential pressure for modulating service.

Specifications

Actuator

Power Requirements

Operating Voltage
  60 

Hz

24 Vac, +20%, -15%

  50 

Hz

24 Vac,

±

20%

Power Consumption
 SQS65U

4.5 VA

 SQS65.5U

7 VA

Functional Operation

Running Time
 

At 

60 

Hz

30 seconds

 

At 

50 

Hz

35 seconds

Spring Return (SQS65.5U only)

8 seconds

Nominal Stroke

7/32-inch (5.5 mm)

Nominal Force

67 lbs. (300 N)

Control Characteristics

Control Signal (Y)
 Voltage

0 to 10 Vdc

 Current

0.1 mA

  Input 

Impedance

100K ohms

Control Signal (R)
 Resistance

0 to 1000 ohms

Position Output (U)
 Voltage

0 to 10 Vdc

 Current

0.5 mA maximum

Flow Characteristic

Linear or equal percentage

Environmental Conditions  Ambient Temperature

 Operating

5

°

F to 122

°

F (-15

°

C to 50

°

C)

 

Transport 

and 

storage

-13

°

F to 149

°

F (-25

°

C to 65

°

C)

Physical 

Characteristics  Weight

 SQS65U

1.1 lbs. (0.5 kg)

 SQS65.5U

1.3 lbs. (0.6 kg)

Dimensions

See Figure 6

Summary of Contents for VVG44.15-0.4S

Page 1: ...vs in 1 2 inch valve bodies 0 to 10 Vdc or 0 to 1000 ohms signal input Position output signal 0 to 10 Vdc Available with union or sweat end connections 1 2 inch and 3 4 inch Double O ring packing with Teflon wiper Manual override knob with indication of stroke allows for repositioning of the valve in power off conditions SQS65U only Spring return closes flow port in power off condition SQS65 5U on...

Page 2: ...00 1 25 11 7 10 VVG44 25 10U SQS65U SQS65 5U 100 585 400 43 5 300 1 1 4 32 18 7 16 VVG44 32 16U SQS65U SQS65 5U 100 32 225 29 200 1 1 2 40 29 25 VVG44 40 25U SQS65U SQS65 5U 100 14 5 100 14 5 100 Max P Maximum recommended differential pressure for modulating service Specifications Actuator Power Requirements Operating Voltage 60 Hz 24 Vac 20 15 50 Hz 24 Vac 20 Power Consumption SQS65U 4 5 VA SQS65...

Page 3: ...ssure Differential for Modulating Service See Table 1 Close Off Pressure See Table 1 Agency Approvals UL UL873 C UL Certified to Canadian Standards CSA C22 2 No 24 93 Physical Characteristics Weight See Figure 6 Dimensions See Figure 6 Table 2 Maximum Water Capacity US Gallons per Minute Valve Pressure Differential psi Cv 1 Kvs 2 4 6 8 10 15 20 25 30 40 50 1 2 15 0 47 0 4 0 66 0 94 1 15 1 32 1 48 ...

Page 4: ...ector plug on the SQS actuator allows selection of linear or equal percentage flow characteristic The valve stroke is proportional to the control signal with linear flow selected See Figure 4 A zero voltage control signal returns the valve to its 0 position In the event of a power failure the SQS65U holds its last position and the SQS65 5U returns the valve to its fail safe position The position o...

Page 5: ...astic cap It may be needed during troubleshooting or for emergency valve operation CAUTION Dirt in the piping system can cause valve problems Before starting up and troubleshooting the valve make certain that the piping system is free of dirt and foreign particles It is recommended that a filter is placed upstream of the valve Figure 2 Mounting Positions Wiring WARNING On valve actuator wiring cod...

Page 6: ...set for the desired flow characteristic See Figure 4 Position Flow Characteristics A C Equal Percentage Factory Setting C B Linear Equal Percentage Linear O O A C B A C B Figure 4 Selector Plug Setting for Flow Characteristic V Volumetric flow 1 to 100 YU 0 to 10 Vdc control signal YR 0 to 1000 ohm resistance signal Troubleshooting Check wiring for appropriate connections Figure 3 Check selector p...

Page 7: ...hem to sbt_technical editor us sbt siemens com Document No 155 112P25 Printed in the U S A Page 7 Dimensions Figure 6 Dimensions for SQS65U Actuator and VVG 44 Valve Nominal Valve Size in mm A AA C Metric Thread D G H J M N P NPT for Union S Solder Cup for Sweat Valve Weight lbs kg 1 2 15 3 15 16 100 5 13 16 148 G 1 11 32 8 5 2 9 32 58 2 1 2 63 2 3 32 53 1 25 1 5 8 41 1 2 in 7 8 in 1 3 0 6 3 4 20 ...

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