Siemens VBI60.15-5L Manuale utente

CE1N4213en

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2020-02-20

ACVATIX™

2-port shutoff valves and 3-port changeover ball valves, PN 40,

with internally threaded connection

VAI60.., VBI60..L, VBI60..T

VAI60.. VBI60..L VBI60..T

For use in heating, ventilation, and air conditioning plants as shutoff or change-

over ball valve. In closed circuits.

●Ball valve body made of brass, UNS C35330 (DZR)

●DN 15...50

●kvs 5…96 m3/h

●Connections with internal threading Rp per ISO 7-1

●Rotational angle 90°

●Can be used with electromotorized rotary actuators GQD..9A, GMA..9E with

spring return and GSD..9A, GDB..9E, GLB..9E without spring return

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Features

●Moderately price:

Optimized flow rates mean smaller ball valves can be selected. Low torque means you

can combine them with small, less expensive rotary actuators.

●Long life expectancy:

Maintenance-free construction, also thanks to low friction stem and polished ball made of

chrome-plated DZR brass.

●Simple mounting:

The brackets, premounted on the actuators, means you can mount them on the ball

valves without tools.

Technical design

Design

Housing

Internally threaded connection

Seat

O-ring seal

Marble

Stem, squared

Slide clutch

O-ring seal

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Sizing

Flow diagram:

Low noise operation

200

300

400

55,6

111

1516

2225

1213

3537

6873

---

Δpmax for VAI60.. and VBI60.., for details, see table on equipment

combinations

Δpmax

Maximum permissible differential pressure over the ball valve, valid for the

entire positioning range of the ball valve rotary actuator unit; if low noise

operation is desired, we recommend a maximum permissible differential

pressure of 200 kPa

Δpv100

Differential pressure over the fully opened ball valve and over the control

path at a volume flow V100

100

Volume flow through the fully opened ball valve

100 kPa

1 bar ≈ 10 mWS

1 m3/h

0.278 l/s water at 20 °C

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Cavitation

Cavitation increases wear and tear of the ball and seat and results in unwanted noise.

Cavitation can be prevented by not exceeding the differential pressures as per the flow

diagram and maintaining the static pressures depicted below.

Δpmax

Differential pressure at a nearly closed ball valve

to largely avoid cavitation

Static pressure at the ball valve inlet

Static pressure at the ball valve outlet

Pump

Water temperature

Example with hot water:

Pressure p1at ball valve inlet: 500 kPa (5 bar)

Water temperature: 120 °C

The above diagram clearly indicates that the maximum permissible differential pressure is

Δpmax → 200 kPa (2 bar) at a nearly closed ball valve.

Note on chilled water applications

To prevent cavitation in chilled water circuits, sufficient counter pressure must be supplied to

the ball valve outlet, e.g. using an additional butterfly valve downstream of the ball valve.

Maximum permissible differential pressure over the ball valve: See 80 °C curve in the above

diagram.

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Operating pressure and operating temperature

Liquids:

Operating pressure and medium temperature per IS0 7005

(Observe all local and applicable laws).

Type summary

Type

kvs

Shutoff ball valve 2-port

3-port changeover valve (L)

3-port changeover valve (T)

[m3/h]

–

VBI60.15-5L

–

VBI60.15-12T

12 1)

VAI60.15-15

–

VBI60.20-9L

–

VBI60.20-16T

16 1)

VAI60.20-22

–

VBI60.25-9L

–

VBI60.25-16T

16 1)

VAI60.25-22

–

VBI60.32-13L

–

VBI60.32-25T

25 1)

VAI60.32-35

–

VBI60.40-25L

–

VBI60.40-49T

49 1)

VAI60.40-68

–

VBI60.50-37L

–

VBI60.50-73T

73 1)

VAI60.50-96

–

1) kvs Bypass B > 50 % of kvs A ─ AB

Nominal size

kvs

Flow nominal value for chilled water (5…30 °C) through a fully opened ball valve at a

differential pressure of 100 kPa (1 bar)

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Accessories

Insulation shells

Insulation shells are available for heating/cooling insulation as a separate accessory:

Type

Material

Density

Thermal conductivity at tm 40 °C

Operating

temperature

ALI..V..G..

Polyethylene foam

29 kg/m3

0.0372 W/mK

-10 °C…100 °C

For 2-port shutoff ball valves

For 3-port changeover valves

Ball valve

Insulation shell

Ball valve

Insulation shell

VAI60.15..

ALI15VAI60/61

VBI60.15..

ALI15VBI60/61

VAI60.20..

ALI20VAI60/61

VBI60.20..

ALI20VBI60

VAI60.25..

ALI25VAI60/61

VBI60.25..

ALI25VBI60/61

VAI60.32..

ALI32VAI60/61

VBI60.32..

ALI32VBI60/61

VAI60.40..

ALI40VAI60/61

VBI60.40..

ALI40VBI60/61

VAI60.50..

ALI50VAI60/61

VBI60.50..

ALI50VBI60/61

Insulation shells for shutoff and changeover ball valves

ALI..VAI..

ALI..VBI..

For dimensions, see Section Dimensions [➙13]

Filter

Installed upstream of the ball valve:

Type

Stock number

Description

Mesh width [mm]

ALX15

S55845-Z174

Filter with internal threading

0.5

ALX20

S55845-Z175

Filter with internal threading

0.8

ALX25

S55845-Z176

Filter with internal threading

0.8

ALX32

S55845-Z177

Filter with internal threading

0.8

ALX40

S55845-Z178

Filter with internal threading

0.8

ALX50

S55845-Z179

Filter with internal threading

0.8

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Equipment combinations

Type

Rotary actuators

GSD..9A

GQD..9A

GDB..9E

GMA..9E

GLB..9E

Δpmax

Δps

Δpmax

Δps

Δpmax

Δps

Δpmax

Δps

Δpmax

Δps

Ball valve

[kPa]

VAI60.15-15

350

1400

350

1400

350

1400

350

1400

350

1400

VAI60.20-22

VAI60.25-22

VAI60.32-35

1000

VAI60.40-68

800

VAI60.50-96

600

VBI60.15-5L

350

VBI60.20-9L

VBI60.25-9L

VBI60.32-13L

VBI60.40-25L

VBI60.50-37L

VBI60.15-12T

350

VBI60.20-16T

VBI60.25-16T

VBI60.32-25T

VBI60.40-49T

VBI60.50-73T

Δpmax

Maximum permissible differential pressure over the valve ball control path, valid for the entire

positioning range of the ball valve rotary actuator unit; if low noise operation is desired, we

recommend a differential pressure of 200 kPa

Δps

Maximum permissible differential pressure (closing pressure) at which the ball valve rotary actuator

unit securely closes against the pressure

Overview of rotary actuators for ball valves

Type 1)

Operating

voltage

Positioning

Spring return

Data sheet

Signal

Time

Function

Time

GSD141.9A

AC/DC 24 V

Open-close 2)

30 s

N4655

GSD341.9A

AC 230 V

GQD121.9A

AC/DC 24 V

2-position

30/15 s 3)

Yes

15 s

N4659

GQD321.9A

AC 230 V

GMA121.9E

AC/DC 24 V

90/15 s 3)

N4658

GMA321.9E

AC 230 V

GLB131.9E 4)

AC 24 V

(2) 3-position

150 s

N4657

GLB331.9E 4)

AC 230 V

GLB141.9E

AC/DC 24 V

2 or 3 point

A6V10636203

GLB341.9E

AC 100-240 V

GDB111.9E/KN

AC 24 V

KNX-TP

150/120 s

A6V10881143

GLB111.9E/MO

AC 24 V

Modbus RTU

A6V10725318

GDB141.9E

AC/DC 24 V

2 or 3 point

150 s

A6V10636150

GDB341.9E

AC 100...240 V

Actuator type: Electromotive

Open/close

2-wire SPDT (single pole double throw)

While stock lasts

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Ordering

Please indicate material, article type, order text, and quantity; example:

Material

Article type

Order text

Quantity

VAI60.25-22

Open/close ball valve internally threaded, 2-port

GLB131.9E

Actuator for ball valve, NSR

Delivery

Ball valves, rotary actuators, and mounting kits are not assembled and are delivered in

individual packaging.

Applications with auxiliary functions

A standard actuator with corresponding functionality can be used if a ball valve application

requires a rotary actuator with auxiliary functions (e.g. auxiliary switch or potentiometer). In

this case, mounting kit ASK77.x is required in addition to the rotary actuator.

Follow the mounting instructions when mounting.

Rotary actuator

Options

Order text: Mounting kit

GMA..1E

(with spring return)

Potentiometer, auxiliary switch

ASK77.2 Accessory Kit BV for GMA..1.9E

GLB..1E

(without spring return)

ASK77.3 Accessory Kit BV for GLB..1.9E

GDB..1E

(without spring return)

ASK77.3 Accessory Kit BV for GDB..1.9E

GQD..1A

(with spring return)

Auxiliary switch

ASK77.5 Accessory Kit BV for GQD..1.9A

GSD..1A 1)

(without spring return)

ASK77.5 Accessory Kit BV for GSD..1.9A

GSDx4x.1A are not compatible with ball valves.

Product documentation

Title

Content

Document ID

Mounting instructions Ball valve VAI60.. ,

VBI60..L, VBI60..T

Mounting instructions

M4213

(74 319 0883 0)

Rotary actuators for ball valves GSD..41.9A

Data sheet: product description

N4655

Rotary actuators for ball valves GQD..9A

Data sheet: product description

N4659

Rotary actuators for ball valves GMA..9E

Data sheet: product description

N4658

Rotary actuators for ball valves GDB..9E, GLB..9E

Data sheet: product description

N4657

Rotary actuators for ball valves GLB..9E

Data sheet: product description

A6V10636203

Rotary actuators for ball valves GDB..9E

Data sheet: product description

A6V10636150

Mounting instructions Mounting kit ASK77.2,

ASK77.3

Mounting instructions

M4696

(74 319 0648 0)

Mounting instructions Mounting kit ASK77.5

Mounting instructions

A6V11171911

(A5W00032790)

Related documents such as environmental declarations, CE declarations, etc., can be

downloaded at the following Internet address:

http://siemens.com/bt/download

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Notes

Safety

DANGER

There is a risk to operating personnel and device when working on the unit

Failure to comply with these safety notes can result in personal injury and damage to

property from pipe pressure, electrical voltage, or device in operation.

Note the following when servicing a ball valve/rotary actuator:

●Switch off both pump and operating voltage.

●Close shutoff valves.

●Release pressure in the pipes and allow them to cool down completely.

●Disconnect electrical connections from the terminals as needed.

●The rotary actuator must be properly installed prior to recommissioning the ball valve.

CAUTION

National safety regulations

Failure to comply with national safety regulations may result in personal injury and property

damage.

●Observe national provisions and comply with the appropriate safety regulations.

Engineering

We recommend installing the ball valve with spring return since temperatures are lower on

heating plants which increases the lifespan of the sealing gland on the stem.

Ensure there is no cavitation (see Section Technical design [➙2]).

A filter must be installed upstream of the ball valve to increase functional safety.

Permissible media

Using the ball valve together with potassium formate-based media can result in leakage over

the stem to the outside. The reason is the high level of penetration at low surface tension of

media based on potassium formate.

Siemens rejects any and all liability for damages or consequential damages resulting from

the use of this media together with our ball valves.

Mounting

It is easy to assemble the ball valve and rotary actuator; it can be done at the construction

site. No special tools or settings required.

Ball valve VAI60.. / VBI60.. is supplied together with mounting instructions M4213

(74°319°0883°0).

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Mounting position

VAI60..

VBI60..

Pipe connection

Avoid leakage:

●Install fittings as per ISO 7-1. Ball valves (internal threading) = "Rp";

Piping (external threading) = "R".

●Do not use too much hemp or PTFE tape.

●Do not tighten pipe threading to the very end.

●Place the pliers/wrench on the ball valve union nut that is closer to the pipe to be

tightened or loosened.

Flow direction

Make sure that the valve is mounted in the proper flow direction. A symbol is applied to the

ball valve body:

VAI60..

VBI60..

Ball valve

Laser marking

Position as delivered

90 ° turned (clockwise)

VAI60..

2-port shutoff ball

valve

AAB

4213Z01

AAB

4213Z02

A –AB = 100 %

A –AB = 0 %

VBI60..L

3-port

changeover ball

valve with L

shaped

AAB

4213Z03

AAB

4213Z04

B –AB (AB –B) = 100 %

A –B (B –A) = 100 %

VBI60..T

3-port

changeover ball

valve with T

shaped

AAB

4213Z13

AAB

4214Z27

AAB

4214Z28

A –AB = 100 %

B –AB = 0 %

A –AB = 0 %

B –AB = 100 %

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