Johnson Controls VG8000V Series Manuale utente

Product Bulletin VG8000V

Issue Date 05 2009

Order No. DS 10.484 E

VG8000V Series Flanged Valves

DN 15 - DN 150 •Nodular Iron •PN 16

Introduction

The VG8000V Series electrically and

pneumatically operated nodular iron valves are

designed primarily, to regulate the flow of water in

response to the demand of a controller mainly in

heating, but also in ventilating, and air

conditioning systems. They are available in two-

way configurations and three-way mixing

configurations. A variety of electric and pneumatic

actuators are available.

VG8000V Series Valves

With the PA-2000 Pneumatic (left) and

RA-3000 Electric Actuators

Features and Benefits

Valves in two-way and three-way mixing

configurations.

Covers common HVAC applications up to 140°C.

PN 16 rated nodular iron valve bodies. Compact, lighter and more ductile than ordinary cast

iron.

Use of standard Johnson Controls spring

loaded, self-adjusting Teflon-Viton-Teflon

V-ring packing.

Reliable, field-proven seal, applicable to a wide

operating temperature range. No readjustment

required.

Low leakage rate for two and three-way

valves.

Provides maximum energy efficiency.

Electric and Pneumatic actuators available,

either factory mounted or separately for in-

situ installation, for all valve configurations.

Allows optimum actuator selection.

qSlotted stem with clamp-coupler system for

simple actuator attachment.

Quick and easy fitting reduces installation costs.

2 VG8000V

Application Overview

Valve bodies are made of nodular cast iron and

are available from sizes DN 15 to DN 150.

Flanged fittings comply with DIN and BS

standards. The valve trim is made of stainless

steel. The valve packing consists of spring

loaded Teflon-Viton-Teflon V-rings.

The VG8000V valves are available in two-way

configuration for Push-Down-To-Close

operation and in three way configurations, which

are available as mixing valves.

Two-way valves have equal percentage

relationship between valve stroke and flow at a

constant pressure drop. Three-way valves have

a combination of equal percentage and linear

characteristic. An arrow is on one side of the

valve body indicating the direction of flow for

correct installation.

Varieties of electric and pneumatic actuators are

available and can be ordered as factory fitted

valve / actuator combination or separately for in-

situ installation.

Refer to this and following pages for ordering

data and additional details.

Note: It is recommended to use the correct

water treatment. Normal tap water can

mostly be used without further

preparation when contained in a closed

system and when it has been allowed to

stabilise chemically. If however, due to

water loss the system is constantly

being replenished, then the water must

be treated. Guidelines can be found in

VDI 2035.

Ordering codes for Valve Bodies

Two-way PDTC and three-way mixing

configurations

VG8 V1N

Size k

DN 15 2.5

1DN 15 4.0

B1 DN 20 6.3

C1 DN 25 10

D1 DN 32 16

E1 DN 40 25

F1 DN 50 40

G1 DN 65 63

H1 DN 80 100

J1 DN 100 160

K1 DN 125 250

L1 DN 150 350

alve Bod

2-wa

Valve PDTC

83-wa

Mixin

valve

For example:

For a two-way valve, DN 65, kvs 63, PN 16, the

ordering code is:

VG82G1V1N

Spring loaded, self-

adjusting, Teflon-

Viton-Teflon

V-ring packing

Slotted

stem

VG8000V 3

Valve Selection

The valve size for water applications can be

defined using the diagrams below, where the

intersection of the pressure drop across the

valve and the flow must be within the white

area.

kvselection diagram for DN 15 valves:

0.1

0.8

0.6

0.4

0.3

0.2

0.08

0.06

0.04

0.03

0.02

0.01

2.5

kvselection diagram for DN 25...150

valves:

1000

800

600

400

300

100

200

0.8

0.6

0.4

350

250

160

100

6.3

Valve - Actuator Combinations

The VG8000V series flanged nodular iron

valves can be combined with the following

series pneumatic and electric actuators:

•MP-8000 pneumatic actuators

(DN 15 ...40)

•PA-2000 pneumatic actuators

(DN 15 ...150)

•VA78x0 electric non-spring & spring return

actuators

(DN 15 ...40)

•VA1000 electric non-spring & spring return

actuators

(DN 15… DN150)

•RA-3000 electric actuators (DN 15 ...150)

•FA-3300 heavy duty electric actuators

(DN 100, 125 and 150)

Please see the relevant product bulletin for

more details.

Pressure drop Δp in kPa (100 kPa = 1 bar)

Flow Q, in m

/hFlow Q, in m

4 VG8000V

Actuator Selection

Flow through the valve is dependent on the position of the plug, as indicated in the tables below. The

function of the actuator / valve combination is dependent upon the action of the actuator and the type of

valve used.

Pneumatic actuator

Direct Acting pneumatic actuators

MP-822xxxx0 and PA-2xx0-3x1x Reverse Acting pneumatic actuators

MP-832xxxx0 and PA-2xx0-3x2x

ÐValve type Air pressure

extends stem Spring-return

retracts stem Air pressure

retracts stem Spring-return

extends stem

2-way PDTC

VG82..V1N

3-way mixing

VG88.. V1N

Electric actuator ÎControl mode Power fail position (spring return

only)

VA7810-xxx-12, VA1225-GGA-1,

RA-3xxx-7x2x, RA-3100-8x2x,

FA-2xxx-7x1x and FA-33xx-741x

VA7820-xxx-12

VA1220-GGA-1 VA7830-xxx-12

VA1420-GGA-1

ÐValve type Actuator extends

stem Actuator retracts

stem spring force

retracts stem spring force

extends stem

2-way PDTC (NO)

VG82...

3-way mixing

VG88...

E = Equal percentage control characteristic

L = Linear control characteristic = Flow

= No flow

VG8000V 5

Pneumatic Actuator Selection

The pneumatic actuators can be combined with

two-way PDTC and three-way valve

configurations.

All actuators are reversible for Normally Closed or

Normally Open operation on a two-way PDTC

valve body.

The actuators can also be optionally equipped

with a factory fitted positioner and/or a hand

wheel. The PY-1010 positioner is direct acting and

can be used with D.A. or R.A. actuators of the

MP8000 and PA-2000 series.

The actuators are available for valve sizes:

Valves DN 15 – 40 : MP8000 series

Valves DN 15 – 150 : PA-2000 series

Mounting kits for in-situ installation: Hand

wheel, feedback assembly and auxiliary switches

are available on request.

Ordering codes for Pneumatic Actuators

PA-2000 series

PA-2 -3

Spring Range

2 20... 50 kPa

7 70...100 kPa

Action

1 Direct Acting (D.A.)

2 Reverse Acting (R.A.)

Size

2 150 cm2for

DN 15…DN 40

3 300 cm2, standard for

DN 50...DN 80

6 600 cm2, standard for

DN 100...DN 150

Options

0 None

3 2 kΩFeedback pot. and

(2) auxiliary switches

(PQ-1000)

Positioner, factory fitted

0 None

3 DA type (PY-1010)

Hand wheel

0 None

1 With hand wheel

MP8000 series

MP8 220

Options

0 None

2 2 kΩFeedback pot. and

(2) auxiliary switches

(PQ-1000)

Options

(Positioner and hand wheel)

5 None

6 Positioner D.A., PY-1010

7 Positioner D.A., PY-1010

with hand wheel

8 Hand wheel

Spring Range

C 20...50 kPa

E 60...90 kPa

Action, size

2 D.A., 160 cm2

3 R.A., 160 cm2

6 VG8000V

Electric Actuator Selection

VA78x0 Electric Actuators

The VA78x0 non-spring return and spring return

actuators with 1000N thrust for valves in heating,

ventilation and air conditioning applications is

available for floating (3-point) control or

proportional control.

All models have manual override as standard.

Proportional models are self-calibrating. The

actuator is intended for use with Johnson Controls

VG8000V flanged valves.

It provides 1000 N nominal stem force and can be

used with DN 15...DN 40 valves in accordance

with the max. close-off pressure ratings specified.

Ordering codes for VA7810 Electric Actuators

Ordering code Actuator Description

On/Off & Floating Control

VA7810-ADA-12 AC 230 V

VA7810-ADC-12 AC 230 V, (2) Aux. switches

VA7810-AGA-12 AC 24 V

VA7810-AGC-12 AC 24 V, (2) aux. switches

VA7810-AGH-12 AC 24 V, 2kΩFeedback pot.

Proportional Control

VA7810-GGA-12

AC 24 V

DC 0(2)…10 V

or 0(4)… 20 mA

+ Floating or On/Off control

VA7810-GGC-12

AC 24 V 2 Aux. switches

DC 0(2)…10 V

or 0(4)… 20 mA

+ Floating or On/Off control

Ordering code Actuator Description

Spring Return Actuators

VA7820-GGA-12

(Spring return

retracts)

VA7830-GGA-12

(Spring return

extends)

1000N;

AC 24 V Supply

DC 0(2)…10 V Feedback

Proportional DC 0(2)…10 V

or 0(4)… 20 mA control

+ Floating or On/Off control

VA7820-GGC-12

(Spring return

retracts)

VA7830-GGC-12

(Spring return

extends)

1000N;

AC 24 V Supply

DC 0(2)…10 V Feedback

2 Aux. switches

Proportional DC 0(2)…10 V

or 0(4)… 20 mA control

+ Floating or On/Off control

VA1000 Electric self-adjusting actuators

The VA1000 2500N thrust non-spring return and

2000N thrust spring return valve-actuators are

self-adjusting and therefore have a greatly

reduced installation and commissioning time.

They are of modular construction so that for

instance, the required type of control signal is

achieved simply by fitting a module with the

required function in-situ.

This actuator can be used with DN15… DN150

valves in accordance with the close-off pressures

specified.

24V Actuator ordering codes

Ordering code Description

VA1125-GGA-1 2500N; Non-spring return

VA1220-GGA-1 2000N; spring return retracts

VA1420-GGA-1 2000N; spring return extends

Accessory modules for in-situ installation

VA1000-M230 AC 230V module

VA1000-P2 2kΩfeedback potentiometer

VA1000-S2 2 SPDT aux. switches

VA1000-SRU Split range unit module for

proportional actuators only

111 6348 011 Cable adaptor M20x1.5

111 6349 011 Cable adaptor M16x1.5

Either feedback potentiometer or aux.

switches can be fitted not both.

VG8000V 7

RA-3000 Electric Actuators

The RA-3000 series, synchronous motor-driven

actuator is available for 3-point (floating) or

0…10 VDC proportional control. It features factory

calibrated pressure switches to provide specified

close-off ratings.

This actuator is available in three sizes: the

RA-3000-712x with 1600 N for DN 15…40, the

RA-3000-722x with 1800 N for DN 50…80 and the

RA-3000-732x with 3000 N for DN 50…150, in

accordance with the max. close-off pressure

ratings specified. Factory fitted options, such as a

2kΩfeedback potentiometer; auxiliary switches

and manual override are also available.

Ordering codes for RA-Electric Actuators

RA-3 -7

Thrust & Supply Voltage

126 1600 N 24 V, 50/60 Hz

127 1600 N 230 V,50/60 Hz

226 1800 N 24 V, 50/60 Hz

227 1800 N 230 V,50/60 Hz

325 3000 N 24 V, 60 Hz

326 3000 N 24 V, 50 Hz

327 3000 N 230 V, 50 Hz

328 3000 N 230 V, 60 Hz

Options, factory mounted

00 None

03 (2) aux. switches and

2 kΩfeedback

potentiometer

05 (2) aux. switches and

135 Ωfeedback pot.

41 Positioner 0...10 VDC and

(2) aux. switches

(only 24 VAC models)

Manual override

0 None

1 with manual override

FA-3300 Electric Actuators

The FA-3300 motor-driven heavy duty actuators

provide 6000 N thrust and are available for 3-point

(floating) or 0…10 V / 0(4)…20mA control. They

feature a manual override and factory calibrated

pressure switches that provide specified close-off

ratings.

These actuators can be used in conjunction with

DN 100…150 VG8000V valve bodies.

Ordering codes for FA-3300 Actuators

FA-33 -741

Supply Voltage

1 230 V, 50 Hz

6 24 V, 50 Hz

Options, factory mounted

00 None

03 (2) aux. switches and 2 kΩ

feedback pot.

04 135 Ω feedback pot.

40 Pos. 0...10 V / 0(4)…20 mA

41 Pos. 0...10 V / 0(4)…20 mA

and (2) aux. switches

Ordering Procedure

The valves and actuators can be ordered

separately or as a factory fitted combination.

When a factory-mounted combination is required

please add “+M”to the actuator order code.

For example:

For a 2-way valve, DN 65, kvs 63, PN 16 plus

actuator with electric positioner 0...10 V input, 24

VAC 50 Hz supply, order:

Item 1 VG82G1V1N (valve body)

Item 2 RA-3041-7326 (actuator)

Alternatively if order is for factory mounted option:

Item 1 VG82G1V1N (valve body)

Item 2 RA-3041-7326 +M (actuator)

8 VG8000V

Close-off pressures

Maximum Close-off Pressures for Pneumatic Valve / Actuator combinations (kPa)

Actuator

model

Body

Size

2-way PDTC with reverse

acting actuator (actuator

spring-return closes valve)

or 3-way

See Table “Actuator Selection”

2-way PDTC with direct acting actuator

(actuator supply air pressure closes valve)

or 3-way

See Table “Actuator Selection”

Stroke Eff.

area with 0 kPa supply with 120 kPa supply with 160 kPa supply

(mm) (cm²) (DN) Spring range (kPa) Spring range (kPa) Spring range (kPa)

kvs

coefficient

20-50 70-100;

60-90 for MP8000 20-50 70-100;

60-90 for

MP8000

20-50 70-100,

60-90 for

MP8000

MP8000 15 2.5 / 4 600 1600 1600 1600 1600 1600

20 6.3 200 1600 1600 890 1600 1600

25 10 80 1600 1600 560 1600 1600

32 16 - 1000 1250 230 1600 1250

13 160

40 25 - 580 740 100 1380 740

PA-2000-3200 15 2.5 / 4 440 1600 1600 1600 1600 1600

20 6.3 120 1600 1600 120 1600 1600

25 10 30 1600 1600 30 1600 1600

32 16 - 1140 1140 - 1600 900

13 150

40 25 - 670 670 - 1280 520

PA-2000-3300* 50 40 40 850 850 400 1500 690

65 63 20 650 650 200 1160 530

25 300 80 100 - 300 300 - 550 230

PA-2000-3600 100 160 40 490 480 40 820 390

125 250 10 290 290 10 510 240

42 600 150 350 - 170 170 - 310 140

* Higher close-off pressures are available on request

Maximum Close-off Pressures for Electric Valve / Actuator combinations (kPa)

Actuator Stroke Thrust Body Size DN

(mm) (N) 15 20 25 32 40 50 65 80 100 125 150

Non Spring Return Actuators

VA7810-xxx-12 13 1000 1600 1600 1570 770 440 - - - - - -

RA-3000-712x 13 1600 1600 1250 1250 - - - - - -

RA-3000-722x 25 1800 - - - - - 700 540 240 - - -

RA-3000-732x 42 3000 - - - - - 1350 1050 500 310 190 110

FA-3300-741x 42 6000 - - - - - - - - 740 460 280

VA1125-GGA-1 2500 1600 1080 830 390 230 140 75

Spring Return Actuators

VA78x0-xxx-12 13 1000 1600 1600 1570 770 440 - - - - - -

VA1x20-GGA-1 2000 1600 800 630 380 160 90 40

*) For higher close-off pressures, please contact your JC supplier

VG8000V 9

Installation and Servicing

When mounting the VG8000V series valves,

please follow the instructions below:

•It is recommended that the valves be mounted

upright, in a conveniently accessible location.

•Do not cover the actuator with insulating

material.

•Sufficient clearance must be allowed for

actuator removal (refer to the dimension

drawings).

•Install the valve as indicated by the arrow(s) on

the valve body so that the plug seats against

the flow.

•Johnson Controls must approve use of the

VG8000V series valves with fluids other than

specified.

•On electrically actuated valve assemblies, all

wiring must be in accordance with applicable

electrical code and ordinances.

•Input lines to the actuator must be wired

correctly to open or close the valve as is

functionally required.

Ordering Code for Replacement Packing Kits

Ordering

Code

For valves

Standard packing kit:

121 4393 011 DN 15...40

121 4409 011 DN 50...80

121 4433 011 DN 100...150

When servicing the VG8000V series valves, make

sure that:

•The pneumatic or electrical power to the

actuator is isolated.

•You do not touch or attempt to connect or

disconnect wires when electrical power is on.

WARNING

Shock Hazard

Disconnect the power supply before wiring

connections are made to prevent personal injury.

Equipment Damage Hazard

Make and check all wiring connections before

applying power to the system. Short circuited or

improperly connected wires may result in

permanent damage to the unit.

•No air pressure is applied to the piping system

when servicing the valve.

•No attempt is made to remove the spring of a

pneumatic actuator from its housing.

10 VG8000V

Dimensions Pneumatic Actuators (in mm)

MP8000 with hand wheel

PA-2000 with hand wheel

Approx.

27.5

Only on:

PA-2000-3300

PA-2000-3200 &

Valve body MP8200 & MP8300 PA-2000-3200

DN B H4 H5 A A *) D H2 H6 H11 H12 A D H2 H6 H11 H12

15 130 100 76 160 220 219 342 492 448 600 220 205 372 522 460 610

20 150 106 70 160 220 219 342 492 448 600 220 205 372 522 460 610

25 160 106 76 160 220 219 342 492 448 600 220 205 372 522 460 610

32 180 123 81 160 220 219 347 497 553 600 220 205 377 527 465 615

40 200 140 79 160 220 219 345 495 551 600 220 205 375 525 463 613

*) For actuator with positioner

Valve body PA-2000-3300 PA-2000-3600

DN B H4 H5 A D H2 H6 H11 H12 A D H2 H6 H11 H12

50 230 145 101 235 290 479 629 593 743 - - - - - -

65 290 156 102 235 290 480 630 594 744 - - - - - -

80 310 180 108 235 290 486 636 600 750 - - - - - -

100 350 225 136 - - - - - - 250 384 644 844 802 1002

125 400 255 155 - - - - - - 250 384 663 863 821 1021

150 480 290 175 - - - - - - 250 384 683 883 841 1041

Flange Dimensions

DN D1 D2 D3 d Bolts Holes DN D1 D2 D3 d Bolts Holes

15 95 65 45 13.5 M12 x 45 4 80 200 160 138 17.5 M16 x 65 8

20 105 75 58 135 M12 x 50 4 100 220 180 158 17.5 M16 x 70 8

25 115 85 68 13.5 M12 x 50 4 125 250 210 188 17.5 M16 x 75 8

32 140 100 78 175 M16 x 55 4 150 285 240 212 22 M20 x 75 8

40 150 110 88 17.5 M16 x 55 4

50 165 125 102 17.5 M16 x 60 4

65 185 145 122 17.5 M16 x 60 4

H6 H11

H12

Without

hand wheel

H4 H5

H11

H12

Positioner

Without

hand wheel

Valve and Actuator Dimensions

Indice

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