Honeywell VRN2D, VRN2E, VRN2F, VRN2G Series Manual

38-00032-01

Global Field Devices

VRN Pressure Independent Control
Valves and Actuators

PRODUCT DATA

required. In new construction, VRN2 valves perform better
than reverse return piping designs without the extra
materials these systems need.

Pressure-independent control requires less flow, enabling
use of smaller piping, pumps, and chillers.

FEATURES

• Sizes from 1/2 to 3 in. with internal (female) NPT
connections.

• Controls hot or chilled water with up to 50% glycol.

• Regulated flow rates available from 1 to 95 gpm.

• Differential pressure regulator for constant pressure
drop across valve seat.

APPLICATION

The VRN2 two-way pressure independent control valves
maintain constant flow of hot or chilled water with glycol
solutions up to 50% in closed-loop heating, ventilating,
and air conditioning (HVAC Division 23) systems
regardless of head pressure fluctuations above the
minimum specified pressure drop. These valve assemblies
can be used with Honeywell non-spring return or spring
return direct coupled actuators (DCA).

The built-in differential pressure regulator makes fluid
flow through the valve independent of changes in supply
pressure, eliminating “hunting” by the control system,
even at low coil flow. The pressure regulator virtually
eliminates cavitation in the valve, and decouples the
control valve from the effects of piping components such
as reducers and elbows.

Pressure independent control valves are sized to match
design coil flow regardless of coil size. VRN2 valves
eliminate the need to balance the system for proper flow,
and allow chillers to be operated at design temperature
differential for maximum efficiency at every load
condition. When used in a system with variable speed
pump drives, 3-way valves and coil bypass lines are not

• Positive pressure, rolling diaphragm regulator design
for flow control accuracy of ±5%.

• Equal percentage flow characteristic using patented
flow control ball insert.

• Multiple maximum flow rates available per valve size.

• Patented ball seals for low operating torque.

• Nickel-chrome plated brass or stainless steel trim.

• Choice of factory-installed actuation using
Honeywell MVN or MN/MS series direct coupled
actuators: Floating, Modulating (2-10 V), Non-Spring
Return and Spring Return.

• Spring return actuators field-configurable for
normally open or normally closed fail-safe position.

• Removable, manual operating handle to control
valve during installation or in an event of power
failure.

• Upstream Test Port for venting or pressure gauge
attachment.

• Three actuator orientations on the valve for cramped
spaces.

• Integral snubber eliminates effect of system
pressure fluctuations and entrapped air while
improving flow performance.

Contents

Application ..................................................................................... 1

Features .......................................................................................... 1

Specifications ............................................................................... 2

Ordering Information ................................................................ 2

Typical Specifications ............................................................... 12

Installation .................................................................................... 13

Operation and Checkout .......................................................... 18

VRN PRESSURE INDEPENDENT CONTROL VALVES AND ACTUATORS

SPECIFICATIONS

Valve Type: Pressure Independent Control Valve

Body Style: Two-way ball valve, straight-through flow, full

port with patented flow control insert.

Pipe Size: 1/2 to 3 inches with female NPT pipe fittings.

Body Pressure Rating (maximum): 360 psi (2500 kPa) at

250°F (121 C).

Controlled Medium: Water or Glycol solutions up to 50%.

Not suitable for combustible gases, oil or steam.

Medium Temperature Range: -22 to +250°F

(-30 to +121 C).

Maximum Differential Pressure: See Table 1.

Close-off pressure: 100 psid

Flow Characteristics

Equal Percentage with flow control insert. See Fig. 31.

Materials

Body: Forged Brass (ASTM B283).

Flow Optimizer: laser-milled, glass-reinforced Noryl

®

Trim (ball and stem): Nickel-chrome plated brass, or

stainless steel.

Stem Seals: EPDM O-ring and Teflon

Ball Seals: Reinforced Teflon™ seals, with EPDM O-rings.

Regulator: Hydrogenated acrylonitrile-butadiene rubber

rolling diaphragm in stainless steel housing.

Compatible Actuators

Minimum Torque Required:

35 lb-in. (4 Nm) up to 3 in. (≤DN80).
27 lb-in. (3 Nm) up to 1-1/4 in. (≤DN32).

Fail Safe: MSXX05*

Non-Fail Safe: MVN & MNXX05*

* These actuators are available as factory-installed

assemblies.

See Table 1 for all available options.

Approvals Standards

Actuators: See literature for the given actuator.

™

bearings.

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further
information, or would like to comment on our products or services, please write or phone:

1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone

directory).

2. Honeywell Customer Care

1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386

3. http://customer.honeywell.com or http://customer.honeywell.ca

International Sales and Service Offices in all principal cities of the world. Manufacturing in Belgium, Canada, China,
Czech Republic, Germany, Hungary, Italy, Mexico, Netherlands, United Kingdom, and United States.

38-00032—01 2

Table 1. VRN Model Selection.

Model Selection: Pressure Independent Control Valve

VRN PRESSURE INDEPENDENT CONTROL VALVES AND ACTUATORS

Valve

Fitting

Size

Body/Flow Type

Max flow rate

Trim

Profile

Actuator Fail Position Accessories

VR - Pressure Independent Control Valve MVN613A0000* Leave blank = Fail in place C1 - 1 meter cable

N- Female NPT threaded MVN643A0000* 3R - NEMA

2- 2 way MVN713A0000*

Enclosure

MN6105A1011

MN6105A1201

MN7505A2001

A - 1/2 (DN15)
B - 3/4 (DN20)
C - 1 (DN25)
D - 1-1/4 (DN32)
E - 1-1/2 (DN40)
F - 2 (DN50)
G - 2-1/2 (DN65)
H - 3 (DN80)

MN7505A2209

MS7505A2030

MS7505A2130

MS8105A1030

MS8105A1130

MS4105A1030

FSO = Fail Safe Open
FSC = Fail Safe Closed

MS4105A1130

xxx.xx - Max flow rate designator

See Table 4.

P - Plated Brass
S - Stainless Steel

A - Standard Base

X - MN/MS DCA
Actuator Bracket

VR N 2 A 001.00 P A + MVN613A0000 + + C1

Example part number: VRN2A001.00PA+MVN613A0000+C1
* Only compatible with valves 1-1/4” or smaller.

Table 2. Actuator Control Description.

Actuator Control

MVN613A0000

MVN643A0000

MVN713A0000

Floating, Two-position (SPDT or SPST) (90 sec. timing), 24 V, Fail in Place

Floating, Two-position (SPDT) Fast Acting (30 sec. timing), 24 V, Fail in Place

Modulating, 24 V, Fail in Place

MN6105A1011 Floating, Two-position (SPDT), 24 V, Fail in Place

MN6105A1201 Floating, Two-Position (SPDT), 24 V, Fail in Place with end switches

MN7505A2001 Modulating, 24 V, Fail in Place

MN7505A2209 Modulating, 24 V, Fail in Place with end switches

MS7505A2030 Modulating, Floating, Two-position (SPDT), 24 V, Fail Safe

MS7505A2130 Modulating, Floating, Two-Position (SPDT), 24 V, Fail Safe with end switches

MS8105A1030 Two-Position (SPST), 24 V, Fail Safe

MS8105A1130 Two-Position (SPST), 24 V, Fail Safe with end switches

MS4105A1030 Two-Position (SPST), 120 V, Fail Safe

MS4105A1130 Two-Position (SPST), 120 V, Fail Safe with end switches

3 38-00032—01

VRN PRESSURE INDEPENDENT CONTROL VALVES AND ACTUATORS

Table 3. Pressure Independent Valve Short Order Codes ½” – 3”.

Model Selection: Control Valve

Valve

Valve Size

Body Flow Type

VRN - Pressure Independent Control Valve

Trim

Adapter

Actuator

Max Flow Rate

0 - No Actuator

(valve only)

Actuator Fail Position Accessories

0 - No Actuator

or Fail in Place (FIP)

00 - None

1 - 24 Vac, Floating/2-Pos., 90 sec.

2 - 2-way

A---1/2 (DN15)
B---3/4 (DN20)
C---1 (DN25)
D---1-1/4 (DN32)
E---1-1/2 (DN40)
F---2 (DN50)
G---2-1/2 (DN65)
H---3 (DN80)

(MVN613, Fail in place)*

2 - 24 Vac, Floating/2-Pos., 30 sec.

(MVN643, Fail in place)*

3 - 24 Vac, Modulating 0(2)-10 Vdc

(MVN713, Fail in place)*

4 - 24 Vac, Floating/2-Position

(MN6105, Fail in place)

5 - 24 Vac, Mod. 0(2)-10 Vdc

(MN7505, Fail in place)

1 - Fail Safe Open (FSO) 01 - 1 m Cable (C1)

02 - 3R - NEMA

2 - Fail Safe Closed (FSC)

enclosure

6 - 24 Vac, Mod. 0(2)-10 Vdc/Floating

(MS7505, Fail safe)

Flow Rate (GPM)

Options range from B-9.
See Table 4.

P - Nickel Chrome

Plated Brass

S - 316 Stainless Steel

(2-way only)

7 - 24 Vac, 2-Position (MS8105, Fail safe)

8 - 100-250 Vac, 2-Position

(MS4105, Fail safe)

9 - 100-250 Vac, 2-Pos. w/ end switches

(MS4105, Fail safe)

A - 24 Vac, 2-Position w/ end switches

(MS8105, Fail safe)

B - 24 Vac, Mod 0(2)-10 Vdc/Floating w/

A - Standard Base

end switches (MS7505, Fail safe)

C - 24 Vac, Floating/2-Position w/ end

switches (MN 6105, Fail in place)

X - MN/MS DCA

Actuator Bracket

D - 24 Vac, Mod. 0(2)-10Vdc w/ end

switches (MN7505, Fail in place)

VRN 2 A B P A 1 0 00

Example part number: VRN2ABPA1000
* Only compatible with valves 1-1/4” or smaller.

38-00032—01 4

Table 4. VRN Flow Rate (GPM) and Differential Pressure with Short Order Code Indicator.

Model

Size

ΔP range

Min Max

Head

Loss

(inch) (psi) (psi) (psi)BDEFGHJKLMNPQR S TU12345678 9

VRN2A 0.5

VRN2B 0.75

VRN2C 1

VRN2D 1.25

VRN2E 1.5

VRN2F 2

VRN2G 2.5

VRN2H 3

3 35 3 1234567

3 35 3 1234567

6356 8910*

3 35 3 1234567

6356 89

4 50 4 10 15 20

4 50 4 10 15 20

5505 2530

6.5586.5 35*

4 50 4 10 15 20

5505 2530

4584 35

6586 404550

7 58 7 55 60 65 70 75 80 85

11 58 11 95*

4 50 4 10 15 20

5505 2530

4584 35

6586 404550

7 58 7 55 60 65 70 75

4584 253035

6586 404550

7 58 7 55 60 65 70 75 80 85

11 58 11 95*

4584 253035

6586 404550

7 58 7 55 60 65 70 75 80 85

11 58 11 95*

* Denotes full port valve (with no insert).

VRN PRESSURE INDEPENDENT CONTROL VALVES AND ACTUATORS

Short Order Code Indicator

Maximum GPM

5 38-00032—01

VRN PRESSURE INDEPENDENT CONTROL VALVES AND ACTUATORS

CLEARANCE ABOVE ACTUATOR 3/4 (19)

G

E

F

D

A

B

C

M34967

Fig. 1. Valve Dimensions with MVN Actuator; see Table 5.

Table 5. Valve Dimensions with MVN Actuator.

Model Pipe Size Flow, gpm (m3/h) Dimensions in in. (mm)

VRN2A 1/2 DN15 1.0 (0.23) 7.0 (1.6) 5.71

VRN2B 3/4 DN20 9.0 (2.0) 10 (2.3) 6.63

VRN2C 1 DN25 15.0 (3.4) 5.83

20 (4.5) 20 (4.5) 9.65

VRN2D 1–1/4 DN32 10 (2.3) 30 (6.8) 35 (7.9) 8.98

(145)

(148)

(245)

(228)

4.56

(116)

6.57

(167)

(168)

9.13

(232)

8.79

(223)

2.32
(59)

2.41
(61)

3.87
(98)

Weight
lb. (kg)

7.36

2.8 (71) 2.5 (1.1) Stem: 5112-19

(187)

8.01

(203)

7.1 (3.2) Stem: 5112-20

Service Replacement

PartsNPT in. S.I. metric Min. Rating Max. Rating Full Port A B C D E F G

5112-22 (SS);
Regulator:
8615-100 for 1-3 gpm;
8615-101 for 4-10 gpm

5112-23 (SS);
Regulator:
8615-102

38-00032—01 6