Schneider Electric VA-7000 Series, VA-9000 Series, VF-7000 Series, VF-9000 Series, VS-7000 Series Selection Guide

Features Benefits

24Vac, 120Vac, and 230Vac models. Satisfies a wide range of power requirements.

Compact size. Allows installation in limited spaces.

Spring return. Valve returns to known position upon loss of power.

Manual override. Allows valve positioning and preload adjustment, simplifying installation,

start-up, and troubleshooting.

Rugged polymer or die-cast housings rated for up to NEMA2, UL
Type2 (IP54).

Valve sizes 1/2” to 4” and 15 mm to 80 mm (Union Straightway, NPT,
Flanged, Metric) 2-Way and 3-Way.

Up to 250 psig (1724 kPa) close-off. Meets variety of close-off requirements.

Built-in position feedback on MFx1-710x floating and all
proportional models.

High fluid and ambient temperature ratings. Allows use in harsh environments.

Proportional models feature control function switch or jumper. Allows the selection of direct or reverse action for application flexibility.

Thermal isolation. Protects the actuator from cold or excess heat generated by chilled water,

Spring-loaded PTFE valve packing. Self adjusting. No tightening required.

250 psig valve body static pressure rating per ANSI Standards
(B16.15—1985) for screwed cast bronze bodies. 125psig valve
body static pressure rating for cast iron flanged bodies.

Overload protection on all models. Eliminates application of excessive force on stem and overheating of

Highly visible position indicator. Shows the valve position, facilitating setup, checkout, and troubleshooting.

24Vac models require less than 10VA. Saves cost while meeting job specifications, by using fewer transformers

Water-resistant rating supports use in most common indoor HVAC
environments.

Satisfies a wide range of application requirements.

Offers maximum flexibility in selecting precise control for a wide variety of
applications, significantly reducing installation time.

hot water, or steam passing through the valve. Discourages condensation.

Meets most demanding pressure requirements.

actuator.

and less energy.

Selection Guide

Globe Valve Assembly Selection Procedure

When selecting a globe valve assembly, you must determine the applicable codes for the control signal type, valve body configuration, end
connection, port size, and actuator. Select a globe valve assembly part number as follows:

1. Control Signal Type, Valve Body Configuration, and End Connection

Referring to “Part Numbering System” on page 4, select the appropriate codes for these part number elds.

2. Valve Size (Flow Coefficient)

If the required ow coefcient (C

a. Refer to the “Sizing and Selection” section on pages 8 to 11, to calculate the required Cv.

b. Select the nearest available Cv and corresponding valve body port code from “Part Numbering System” on page 4.

3. Actuator

Select the appropriate actuator and code, according to “Part Numbering System” on page 4, based on the control signal type,
required valve normal position, and voltage requirements. For detailed actuator information, refer to the applicable actuator
specications on page 16, 19, or 21.

Note: Globe Valve Assemblies are not available with Mx51‑7103‑0x0 actuators (equipped with appliance wire). However, if

required, you may eld-assemble one of these actuators to a globe valve body. For information on Mx51-7103-0x0 actuators,
refer to page 16.

4. Close-off Pressure

Conrm in Table-3 or Table-4 that the selected actuator and valve body combination provides sufcient close-off pressure. If no

close‑off pressure is shown, the valve body/actuator combination is not valid.

5. Available Space

If available space is a consideration, check the appropriate dimensional gure (Figure 8 through Figure 19) and its accom­panying table for any potential t problems.

) has not yet been determined, do so as follows:

v

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Docume nt Numbe r: F-2725 2-4

Selection Guide

Close-off Ratings

Nominal actuator close-off ratings are based on ANSI IV (0.01%
leakage) with EPDM discs and PTFE discs in steam applications.

Metal-to-metal trim such as brass 3-way and high temperature stainless
are designed for ANSI III (0.1% leakage). Seat leakage for reduced port
versions of metal-to-metal seats may match the full port versions,

allowing up to 1% on the 0.4C

plugs.

v

Installation Considerations

Mounting Angle of Valve Assembly

Be sure to allow the necessary clearance around the valve assembly.
The valve assembly must be mounted so that the valve stem is at least 5°
above the horizontal. This ensures that any condensate that forms on the
valve body will not travel into the linkage or actuator, where it may cause
corrosion. On steam applications, where the ambient temperature
approaches the limit of the actuator, the valve assembly must be
mounted 45° from vertical. See the applicable Actuator General
Instructions for details.

Insulation of Linked Globe Valve Assembly

The globe valve should be completely insulated to minimize the effect of
heat transfer and condensation at the actuator.

Caution: The actuator and the integral linkage must not be insulated.
Doing so will result in excess heat or condensation within the actuator.

Temperature Limits for Globe Valve Assembly

When installing the globe valve assembly, observe the minimum and
maximum temperature limits given in the Actuator Specifications and

Valve Assembly Mounting Dimensions

section of this document.

Sizing and Selection

Flow Coefficient (Cv)

Two-position Control

Two-position control valves are normally selected “line size” to keep
pressure drop at a minimum. If it is desirable to reduce the valve below

line size, then 10% of “available pressure” (that is, the pump pressure
differential available between supply and return mains with design flow
at the valve location) is normally used to select the valve.

Proportional Control

Proportional control valves are usually selected to take a pressure drop
equal to at least 50% of the “available pressure.” As “available

pressure” is often difficult to calculate, the normal procedure is to select
the valve using a pressure drop at least equal to the drop in the coil or
other load being controlled (except where small booster pumps are
used) with a minimum recommended pressure drop of 5 psi (34 kPa).
When the design temperature drop is less than 60°F (33°C) for
conventional heating systems, higher pressure drops across the valve
are needed for good results (Table-2).

Table 2. Conventional Heating System

Design Tempera­ture
Load Drop °F (°C)

60 (33) or More 50% 1 x Load Drop

40 (22) 66% 2 x Load Drop

20 (11) 75% 3 x Load Drop

a - Recommended minimum pressure drop = 5 psi (34 kPa).

Secondary Circuits with Small Booster Pumps: 50% of available
pressure difference (equal to the drop through load, or 50% of booster
pump head).

Recommended
Pressure Drop
(% of Available
Pressure)

a

Multiplier on
Load Drop

When sizing a valve, you must select a flow coefficient (Cv), which is

defined as the flow rate in gallons per minute (GPM) of 60°F water that
will pass through the fully open valve with a 1psi pressure drop (ΔP) It is
calculated according to this formula:

where ΔP is measured in psi.

Since the flow rate through the heat exchanger is usually specified, the
only variable normally available in sizing a valve is the pressure drop.
The following information in this section can be used to determine what
pressure drop to use in calculating a valve Cv. Once you have calculated
the Cv, consult “Part Numbering System” on page 4 to select the valve
body having the nearest available Cv.

Note: Metric equivalent.

The metric measure of flow coefficient is kvs, which is calcu­lated according to the formula: kvs=

(where DP is measured in bar; 1 bar = 100 kPa.).

If the Cv is already known, it may be converted directly to its
kvs equivalent: kvs=

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Document Number: F-27252-4

Actuator Specifications and Valve Assembly Mounting Dimensions

Valve Assemblies with MA51-710x, MF51-7103, and MS51-7103
1/2” (13mm) Stroke 105lbf (467N) Linear Series Schneider Electric SmartX Actuators

Actuator Specifications

Inputs
Control Signal and
Power Requirements (see table) All 24Vac circuits are Class2.
All circuits 30Vac and above are Class1
Connections
Connecting wiring
Mx51-710x-0x0 Appliance wire, 3ft. (0.9m) long
Mx51-710x-1x0 Plenum cable, 3ft. (0.9m) long

Conduit connectors Enclosure accepts 1/2” (13mm)
conduit connectors. For M20 metric
connector, use AM-756 adaptor
Motor Type Brush DC motor
Outputs
Electrical: Position feedback voltage
MF51-7103-xxx and MS51-7103-xxx For voltage ranges, the feedback
signal is the same range as
the input signal. The 0…20mAdc
current range and floating actuators
have a 2…10Vdc position feedback
signal. The position feedback signal
can supply up to 0.5mA to operate
up to four additional slave actuators
Mechanical
Output force rating 105lbf (467N)
Linear stroke 1/2” (13mm) nominal
Timing
Manual override Allows valve positioning and preload
adjustment, using manual crank

Reverse acting/direct acting jumper
MS51-7103-xxx Permits reverse acting or
direct acting linear motion

Environmental
Temperature Limits
Shipping and storage -40…160°F (-40…71°C) ambient
Operating -22…140°F (-30…60°C) ambient
Temperature restrictions For maximum ambient of 140°F (60°C),
maximum fluid temperature must
not exceed 366°F (186°C)
Humidity 5…95% RH, non-condensing
Enclosure Rating NEMA2, UL Type2 (IEC IP54) with
customer-supplied watertight
conduit connectors
Agency Listings (Actuator)
UL UL-873, Underwriters Laboratories
File #E9429 Category Temperature-indicating
and Regulating Equipment)
cUL UL Listed for use in Canada
by Underwriters Laboratories
Canadian Standards C22.2 No.24-93
European Community EMC Directive (89/336/EEC)
Low Voltage DIrective (72/23/EEC)
Australia This product meets requirements
to bear the RSM Mark according to the
terms specified by the Communications
Authority under the Radiocommunications
Act 1992

Approximate Stroke Timing in

Part Number

Seconds @ 70°F (21°C)

Powered Spring Return

MA51-710x-xxx 27 19

MF51-710x-xxx

MS51-710x-xxx

60 16

Selection Guide

Power Input

Part Number

MA51-7100-000

MA51-7101-000

MA51-7103-000, MA51-7103-100

MF51-7103-000, MF51-7103-100

MS51-7103-000, MS51-7103-100

MS51-7103-020, MS51-7103-120

MS51-7103-030, MS51-7103-130

MS51-7103-040, MS51-7103-140 7.8 4.9 0.16 3.4

MS51-7103-050, MS51-7103-150

MS51-7103-060, MS51-7103-160

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Docume nt Numbe r: F-2725 2-4

Control
Signal

Two-position
SPST

Floating
SPST

2…10Vdc
Proportional

0…3Vdc
Proportional

6…9Vdc
Proportional

0…10Vdc
Proportional

2…20mAdc
Proportional

Voltage

120Vac ±10%
50/60Hz

230Vac ±10%
50/60Hz

24Vac ±20%
20 to 30Vdc

Running
50/60Hz

VA W W

7.9 6.2

7.4 5.4 2.1

5.3 4.1 0.15 1.2

6.9 4.7 0.16 2.1

6.6 4.2 0.14 1.5

6.6 4.2 0.14 1.5

DC
Amps

—

Holding
50/60Hz

2.1

Selection Guide

Dimensions — 1/2” to 2” Globe Valve Assemblies

Valve Dimensions in inches (mm)

Valve Assembly

Part Number

Valve

2-Way (Refer to Figure-8, Figure-10, and Figure-11) 3-Way (Refer to Figure-9 and Figure-12)

Size
in.

1/2 4-3/16 (106) 2-11/16 (68) 1-3/16 (30) 7-7/16 (189) 6-5/8 (168)

A B C E J A C E J

Union Straightway
2-Way (N.C.)
Vx-7221-8xx-4-P

Union Straightway
2-Way (N.O.)
Vx-7211-8xx-4-P

Flared
2-Way
Vx-7212-8xx-4-P
Vx-7222-8xx-4-P
3-Way
Vx-7312-8xx-4-P

NPT/Metric Thread
2-Way (N.C.)
Vx-722x-8xx-4-P
Vx-726x-8xx-4-P
Vx-728x-8xx-4-P
3-Way
Vx-731x-8xx-4-P
Vx-732x-8xx-4-P

3/4 4-15/16 (125) 3-3/16 (81) 1-3/16 (30) 7-7/16 (189) 6-7/8 (175)

1 6 (152) 3-5/8 (92) 1-3/4 (44) 7½ (190) 7-3/8 (187)

1¼ 6¼ (159) 3-15/16 (100) 1-3/4 (44) 7-3/4 (197) 7-3/8 (187)

1/2 4-3/16 (106) 2-11/16 (68) 1-3/16 (30) 7-7/16 (189) 6-5/8 (168)

3/4 4-15/16 (125) 3-3/16 (81) 1-1/16 (27) 7-7/16 (189) 6-7/8 (175)

1 6 (152) 3-5/8 (92) 1-3/16 (30) 8-1/8 (206) 7-3/8 (187)

1¼ 6¼ (159) 3-15/16 (100) 1-3/8 (35) 8-1/8 (206) 7-3/8 (187)

1/2 4 (102)

1/2 3-1/16 (78) 1-3/16 (30) 7-7/16 (189) 6-5/8 (168) 3-1/16 (78) 1-3/4 (44) 7-7/16 (189) 6-5/8 (168)

3/4 3-5/8 (92) 1-3/16 (30) 7-7/16 (189) 6-7/8 (175) 3-5/8 (92) 1-13/16 (46) 7-7/16 (189) 6-7/8 (175)

1 4-5/8 (118) 1-3/4 (44) 7½ (190) 7-3/8 (187) 4-5/8 (118) 1-3/4 (44) 7½ (191) 7-3/8 (187)

1¼ 4-5/8 (118) 1-3/4 (44) 7-3/4 (197) 7-3/8 (187) 4-5/8 (118) 1-3/4 (44) 7-3/4 (197) 7-3/8 (187)

1½ 5-3/8 (137) 1-13/16 (46) 7-7/8 (200) 7-13/16 (198) 5-3/8 (137) 1-13/16 (46) 7-7/8 (200) 7-13/16 (198)

2 6-1/8 (156) 2¼ (57) 8-9/16 (217) 8-5/32 (208) 6-1/8 (156) 2¼ (57) 8-9/16 (217) 8-5/32 (208)

—

1-3/16 (30) 7-7/16 (189) 7-3/32 (180) 4 (102) 2¼ (57) 7-7/16 (189) 7-3/32 (180)

—

NPT/Metric Thread
2-Way (N.O.)
Vx-721x-8xx-4-P
Vx-725x-8xx-4-P
Vx-727x-8xx-4-P

1/2 3-1/16 (78) 1-3/16 (30) 7-7/16 (189) 6-5/8 (168)

3/4 3-5/8 (92) 1-1/16 (27) 7-7/16 (189) 6-7/8 (175)

1 4-5/8 (118) 1-3/16 (30) 8-1/8 (206) 7-3/8 (187)

—

1¼ 4-5/8 (118) 1-3/8 (35) 8-1/8 (206) 7-3/8 (187)

1½ 5-3/8 (137) 1½ (38) 8-3/16 (208) 7-13/16 (198)

2 6-1/8 (156) 1-9/16 (40) 8-7/16 (214) 8-5/32 (208)

June, 2019 tc © 2019 Schneider Ele ctric . All rig hts res erve d. All tr ademarks are o wned by S chneid er Elect ric Ind ustri es SAS or its af filiat ed companies.
Document Number: F-27252-4

Selection Guide

Valve Assemblies with MA51-720x, MF51-7203, and MS51-7203
1/2” (13mm) Nominal Stroke 220lbf (979N) Linear Series SmartX Actuators

Actuator Specifications

Inputs
Control SIgnal and
Power Requirements (see table) All 24Vac circuits are Class2
All circuits 30Vac and above are Class1
Connections
Connecting wiring Appliance cable, 3ft. (91cm) long
Conduit connectors Enclosure accepts 1/2” (13mm) conduit
connectors. For M20 metric
connector, use AM-756 adaptor
Motor Type Brushless DC
Outputs
Electrical
Position feedback voltage: MS51-7203 2…10Vdc (max. 0.5mA)
output signal for position feedback
or to operate up to four additional
slave actuators.

Power Input

Part
Number

MA51-7200

MA51-7201

MA51-7203

Control

Triacs

Two-position SPST or

Voltage

Signal

120Vac

50/60Hz

230Vac

50/60Hz

22…30Vdc

±10%

±10%

24Vac

±20%

Running

50Hz 60Hz

VA W VA W W

11.7 8.8 10.0 8.4 — 3.6/5.0

15.5 9.5 10.6 8.5 — 4.6/3.3

9.8 7.5 9.7 7.5 0.29 2.8

Holding

50 /

60Hz

DC Amps

Mechanical
Output force rating 220lbf (979N)
Linear stroke 1/2” (13mm) nominal
Timing @ 70°F (21°C) Approximately 100seconds powered;
35seconds spring return
Measured with no load applied to actuator
Manual override Allows valve positioning and
preload adjustment, using manual crank
Right/left switch: MS51-7203 Permits reverse acting or
direct acting linear motion
Environmental
Temperature Limits
Shipping and storage -40…160°F (-40…71°C) ambient
Operating 0°F (-18°C) to maximum ambient
shown in table below
Temperature restrictions
Humidity 15…95% RH, non-condensing
Enclosure Rating NEMA2, UL Type2 (IEC IP54)
with customer-supplied watertight
conduit connectors.
Agency Listings (Actuator)
UL UL-873, Underwriters Laboratories
File #E9429 Category Temperature-indicating
and Regulating Equipment
cUL UL Listed for use in Canada by
Underwriters Laboratories
Canadian Standards C22.2 No.24-93
European Community EMC Directive (89/336/EEC)
Low Voltage DIrective (72/23/EEC)
Australia This product meets requirements
to bear the RSM Mark according to the
terms specified by the Communications
Authority under the Radiocommunications
Act 1992

MF51-7203

MS51-7203

Floating Point

SPDT or Triacs

22 to 30Vdc

4-20Vdc

Proportional

2…10Vdc or

24Vac

±20%

9.8 7.7 9.7 7.7 0.30 3.3

9.8 7.4 9.7 7.4 0.28 2.9

Dimensions — 1/2” to 2” Globe Valve Assemblies

Valve Dimensions in inches (mm)

Valve Assembly

Part Number

NPT/Metric Thread
2-Way (N.C.)
Vx-722x-59x-4-P
Vx-725x-59x-4-P
Vx-726x-59x-4-P
Vx-727x-59x-4-P
Vx-728x-59x-4-P
3-Way
Vx-73xx-59x-4-P

NPT/Metric Thread
2-Way (N.O.)
Vx-721x-59x-4-P

Valve

2-Way (Refer to Figure 13) 3-Way (Refer to Figure 14)

Size
in.

A C E J A C E J

1¼ 4-5/8 (117) 1-3/4 (44) 8-3/8 (213) 11-11/16 (297) 4-5/8 (117) 1-3/4 (44) 8-3/8 (213) 11-11/16 (297)

1½ 5-3/8 (137) 1-13/16 (46) 8½ (216) 12-1/16 (306) 5-3/8 (137) 1-13/16 (46) 8½ (216) 12-1/16 (306)

2 6-1/8 (156) 2¼ (57) 9-3/16 (233) 12-7/16 (316) 6-1/8 (156) 2¼ (57) 9-3/16 (233) 12-7/16 (316)

1¼ 4-5/8 (117) 1-3/8 (35) 8-3/4 (222) 11-11/16 (297)

1½ 5-3/8 (137) 1½ (38)

2 6-1/8 (156) 1-9/16 (40) 9-1/16 (230) 12-7/16 (316)

8-13/16

(224)

12-1/16 (306)

Part Number

Actuator Valve Assembly

Vx-721x-59x-4-P, Vx-722x­59x-4-P

Vx-73xx-59x-4-P 120°F (49°C) @ 300°F (149°C)

Mx51-720x

Vx-725x-59x-4-P, Vx-726x­59x-4-P

Vx-727x-59x-4-P, Vx-728x­59x-4-P

Max. Allowable Ambient
@ Max. Fluid Temperatures

140°F (60°C) @ 281°F (138°C)

100°F (38°C) @ 340°F (171°C)

90°F (32°C) @ 366°F (186°C)

—

June, 2019 tc © 2019 Schneider Ele ctric . All rig hts res erve d. All tr ademarks are o wned by S chneid er Elect ric Ind ustri es SAS or its af filiat ed companies.
Document Number: F-27252-4

Selection Guide

Valve Assemblies with MA61-720x, MF61-7203, and MS61-7203
1” (25mm) Nominal Stroke 220lbf (979N) Linear Series SmartX Actuators

Actuator Specifications

Inputs
Control Signal and
Power Requirements( see table) All 24Vac circuits are Class2
All circuits 30Vac and above
are Class1
Connections
Connecting wiring Appliance cable, 3ft. (91cm) long
Conduit connectors Enclosure accepts 1/2” (13mm)
conduit connectors. For M20 metric
connector, use AM-756 adaptor
Motor Type Brushless DC.
Outputs
Electrical Position feedback voltage
MS61-7203 2…10Vdc (max. 0.5mA)
output signal for position feedback
or to operate up to four additional
slave actuators
Mechanical
Output force rating 220lbf (979N) minimum;
495lbf (2202N) maximum stall
Linear stroke 1” (25mm) nominal
Timing @ 70°F (21°C) Approximately 190seconds powered;
40seconds spring return
Measured with no load applied to actuator
Manual override Allows valve positioning and
preload adjustment, using manual crank
Right/left switch
MS61-7203 Permits reverse acting or direct
acting linear motion.

Environmental
Temperature Limits
Shipping and storage -40…160°F (-40…71°C) ambient
Operating 0°F (-18°C) to maximum
ambient shown in table below
Temperature restrictions
Humidity 15…95% RH, non-condensing
Enclosure Rating NEMA2, UL Type2 (IEC IP54)
with customer-supplied watertight
conduit connectors.
Agency Listings (Actuator)
UL UL-873, Underwriters Laboratories
File #E9429 Category Temperature-indicating
and Regulating Equipment
cUL UL Listed for use in Canada
by Underwriters Laboratories. Canadian
Standards C22.2 No.24-93
European Community EMC Directive (89/336/EEC)
Low Voltage DIrective (72/23/EEC
Australia This product meets requirements
to bear the RSM Mark according to the
terms specified by the Communications
Authority under the Radiocommunications
Act 1992.

Part Number

Actuator Valve Assembly

Mx61-720x

Vx-9xxx-59x-4-P
Vx-9xxx-59x-5-P

Max. Allowable Ambient
@ Max. Fluid Temperatures

140°F (60°C) @ 300°F (149°C)

Part Number

MA61‑7200

MA61‑7201

MA61‑7203

MF61‑7203

MS61‑7203

Control
Signal

Two‑position

SPST or

Triacs

Floating Point

SPDT or

Triacs

Proportional

2…10 Vdc or

4‑20 Vdc

Power Input

Voltage

120 Vac ±10%

50/60 Hz

230 Vac ±10%

50/60 Hz

24 Vac ±20%

22 to 30 Vdc

24 Vac ±20%

22 to 30 Vdc

Running

50Hz 60Hz 50/60Hz

VA W VA W W

11.7 8.8 10.0 8.4 — 3.6/5.0

15.5 9.5 10.6 8.5 — 4.6/3.3

9.8 7.5 9.7 7.5 0.29 2.8

9.8 7.7 9.7 7.7 0.30 3.3

9.8 7.4 9.7 7.4 0.28 2.9

DC
Amps

Holding

June, 2019 tc © 2019 Schneider Ele ctric . All rig hts res erve d. All tr ademarks are o wned by S chneid er Elect ric Ind ustri es SAS or its af filiat ed companies.
Document Number: F-27252-4

Selection Guide

June, 2019 tc © 2019 Schneider Ele ctric . All rig hts res erve d. All tr ademarks are o wned by S chneid er Elect ric Ind ustri es SAS or its af filiat ed companies.
Document Number: F-27252-4