Danfoss CVP, CVPP, CVC CVE, EVM, CVH Data sheet

Data Sheet

Pilot valve
Type CVP, CVPP, CVC
CVE, EVM and CVH

Intended for mechanical control of a main valve

Pilot valves are intended for mechanical control
of a main valve and are ready for direct
installation in the top cover of the main valve.

Small capacities can be controlled by the pilot
valve directly without a main valve when
installed in the matching CVH housing.

The extensive range of Danfoss pilot valves
include:

• Constant-pressure pilot valve, type CVP

• Dierential-pressure pilot valve, type CVPP

• Pressure-operated pilot valve with reference
pressure connection, type CVC

• Electronically operated constant-pressure
pilot valve, type CVE

• Solenoid pilot valve, type EVM (NC)

• Solenoid pilot valve, type EVM (NO)

• Housing, type CVH for pilot valves, for
mounting in external pilot lines

AI248786497190en-000601

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Features

• Applicable to HCFC, non ammable HFC, R717 (Ammonia) and R744 (CO2). The use of Pilots with ammable
hydrocarbons is not recommended

• Extremely accurate pressure and temperature control.

• The pilot valves can be screwed directly into the main valve, thus avoiding the necessity of welding, soldering and
separate pilot lines.

• The pilot valves can be mounted directly in the ICS, PM or ICF valve or it can be connected via an external pilot line
and a CVH housing.

• All pilot valves can be used on all sizes of main valves.

• Several pilot valves can be connected in series or in parallel to provide many functions in the same ICS or ICF valve.

• All pilot valves are delivered with gaskets.

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Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Functions

Constant-pressure pilot valve, type CVP

The kv/Cv value is measured with the pilot valve mounted in a CVH housing for external pilot lines. The value can
vary slightly, depending on the setting value.

Figure 1: CVP

CVP is a constant-pressure pilot valve for a max. working pressure (MWP) of 52 bar (754 psig) and with 3 setting
ranges covering settings of -0.66 to 52 bar (19.5 in. Hg to 754 psig). This pilot valve is used for maintaining a
constant pressure on the inlet side of the main valve.

When a CVP is mounted in a CVH housing, it can be used as a separate constant-pressure valve or a pressure relief
valve (e.g. to prevent hydraulic overpressure in an entrapped liquid).



NOTE:

The CVP pilot can be used for most applications in the refrigeration system including hot gas relief systems.

Dierential-pressure pilot valve, type CVPP

The kv/Cv value is measured with the pilot valve mounted in a CVH housing for external pilot lines. The value can
vary slightly, depending on the setting value.

Figure 2: CVPP

CVPP is a dierential-pressure pilot valve for a max. working pressure (MWP) of 52 bar (754 psig) and with 2 setting
ranges covering settings of -0.66 to 28 bar (19.5 in. Hg to 406 psig). The pilot valve is used for maintaining a constant
dierential pressure between the CVPP valve reference pressure connection and the main valve inlet pressure.

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Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

CVPP incorporates a diaphragm so that the reference pressure and the refrigerant in the valve are physically
separated. The pilot valve can therefore also be used as a pneumatic control valve either to control a main valve or
as a separate pneumatic valve mounted in a CVH housing.

Pressure-operated pilot valve with reference pressure connection, type CVC

The reference pressure must be connected to the low-pressure side of the system. The kv/Cv value is measured with
the pilot valve mounted in a CVH housing for external pilot lines. The value can vary slightly, depending on the
setting value.

Figure 3: CVC

CVC is a constant pressure pilot valve at an external reference point for a max. working pressure (MWP) of 52 bar
(754 psig) and with 2 setting ranges covering settings of -0.66 to 28 bar (19.5 in. Hg to 406 psig). The CVC-pilot is
designed to maintain a constant pressure at an external reference point in the system.

CVC pilot valve installed in an ICS servo valve are used for e.g.:

• Outlet pressure regulator to regulate max. suction pressure, e.g. as a compressor crankcase pressure regulator.

• Outlet pressure regulator as a pressure limiter, e.g. for hot gas defrost of hot gas lines.

Electronically operated constant-pressure (constant pressure dierence) pilot valve, type
CVE

The kv/Cv value is measured with the pilot valve mounted in a CVH housing for external pilot lines. The value can
vary slightly, depending on the setting value.

Figure 4: CVE

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EVM (NC)

EVM (NO)

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

CVE is, when tted with the ICAD 1200A stepper motor, a constant pressure pilot valve with electronic change of
set-point for a max. working pressure (MWP) of 52 bar (754 psig) and with electronic controlled full range settings of

-0.66 to 8 bar gauge (19.5 in. Hg to 116 psig). The CVE interface to the ICAD is hermetic closed and rotation force is

transferred from the ICAD by magnetic forces.

The CVE pilot valve is designed to maintain a constant and very accurate inlet pressure of an ICS servo valve, e.g.
evaporator pressure regulation.

The CVE/ICAD unit can be either stand-alone or connected to a remote EKC 361/EKE 400 or PLC with appropriate
controller function.

The stand-alone arrangement allows the on-site ICAD setting - and the remote wiring allows remote setting of the
desired set pressure.

Solenoid pilot valve, type EVM (NC) and EVM (NO)

The kv/Cv value is measured with the pilot valve mounted in a CVH housing for external pilot lines.
MOPD: Maximum opening dierential pressure with a 10 W a.c. coil.
With:
20 W a.c. coil: 40 bar (580 psig)
20 W d.c. coil: 14 bar (203 psig)
MCPD: Maximum closing dierential pressure with a 10/12 W a.c. coil or a 20 W d.c.coil.

Table 1: Solenoid pilot valve, type EVM (NC) and type EVM (NO)

EVM is a solenoid pilot valve for use when on/ o operation of the main valve is required. EVM valves are intended
for use with Danfoss solenoid valve coils (“Coils for solenoid valves”, data sheet DKRCC.PD.BS0.F). Together with CVH,
an EVM can also be used as an independent solenoid valve.

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Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Media

Refrigerants

Applicable to HCFC, non ammable HFC, R717 (Ammonia) and R744 (CO2). The use of pilot valves with ammable
hydrocarbons is not recommended

New refrigerants

Danfoss products are continually evaluated for use with new refrigerants depending on market requirements.

When a refrigerant is approved for use by Danfoss, it is added to the relevant portfolio, and the R number of the
refrigerant (e.g. R513A) will be added to the technical data of the code number. Therefore, products for specic
refrigerants are best checked at store.danfoss.com/en/, or by contacting your local Danfoss representative.

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Valve type

Max. working pressure

kv / Cv value

Temperature range

Pressure range MOPD/MCPD

Code no.

[bar]

[psig]

[m3/h]

[US

gal/min]

[°C]

[°F]

[bar]

[psig]

CVP-L52754

0.40

0.46

-60/+120

-76/+248

-0.66 - 7

19.5 in Hg to 102

027B0920

CVP-M52754

0.40

0.46

-60/+120

-76/+248

4 - 28

58 - 406

027B0921

CVP-H52754

0.40

0.46

-60/+120

-76/+248

25 - 52

363 - 754

027B0922

Valve type

Max. working pressure

k

v

/ Cv value

Temperature range

Pressure range MOPD/MCPD

Code no.

[bar]

[psig]

[m

3

/h]

[US

gal/min]

[°C]

[°F]

[bar]

[psig]

CVPP-L52754

0.40

0.46

-60/+120

-76/+248

-0.66 - 7

19.5 in Hg to 102

027B0930

CVPP-M52754

0.40

0.46

-60/+120

-76/+248

4 - 28

58 - 406

027B0931

Valve type

Max. working pressure

k

v

/ Cv value

Temperature range

Pressure range MOPD/MCPD

Code no.

[bar]

[psig]

[m

3

/h]

[US

gal/min]

[°C]

[°F]

[bar]

[psig]

CVC-L52754

0.20

0.23

-60/+120

-76/+248

-0.66 - 7

19.5 in Hg to 102

027B0940

CVC-M52754

0.20

0.23

-60/+120

-76/+248

4 - 28

58 - 406

027B0941

Valve type

Max. working pressure

k

v

/ Cv value

Temperature range

Pressure range MOPD/MCPD

Code no.

[bar]

[psig]

[m

3

/h]

[US

gal/min]

[°C]

[°F]

[bar]

[psig]

CVE-L52754

0.4

0.46

-60/+120

-76/+248

-0.66 - 8

19.5 in. Hg to 116

027B0980

ICAD 1200A with 1.5 m. / 60 in. cables

ICAD 1200A without cable

027H9077

027H9122

bar(g)

-0.6601234567

8

psig

19.5 in. Hg

0

14.52943.505872.587101.5

116mA18.3

17.1

15.9

14.7

13.5

12.3

11.1

9.9

8.7

7.5

ICAD reading %

90%

83%

75%

67%

60%

53%

45%

37%

30%

23%

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Product specication

Design

Each pilot valve is designed to give the optimum control accuracy within the specic function range of the valve.
Several pilot valves can be mounted in series and/or in parallel on the main valve (ICS, ICF or the discontinued PM)
to suit numerous applications.

Mounted in a CVH housing, the pilot valves can be used in external lines, either as independently operating valves
or as external control valves for the main valve. Mounted in a CVH housing, the pilot valves can be used in external
lines, either as independently operating valves or as external control valves for the main valve.

Pressure and temperature data

Temperature range: -60 °C/+120 °C (-76 °F/+248 °F)

Pressure range: The pilot valves are designed for a max. working pressure of 52 bar (754 psig). Pressure setting

ranges are given separately for the specic pilot valve. For further information please see installation guides for ICS
or ICF valves.

Table 2: Technical data for CVP

P-band for a valve system regulated by CVP and ICS or PM main valve: < 0.2 bar (2.9 psig)

Table 3: Technical data for CVPP

P-band for a valve system regulated by CVPP and ICS, ICF or PM main valve: <0.2 bar (2.9 psig).

Table 4: Technical data for CVC

P-band for a valve system regulated by CVC and ICS/PM/PMC: < 0.3 bar (4.4 psig).

Table 5: Technical data for CVE

Table 6: ICAD 1200A is the suitable stepper motor for CVE

CVE Pressure setting (see the installation guide AN213086423355 for ICAD setup)

Table 7: ICAD readings

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-1

0

1

2

3

4

5

6

7

8

0% 20% 40% 60% 80% 100%

bar(g)

0

14.5

29.0

43.5

58.0

72.5

87.0

101.5

psig

116.0

-29.5 in. Hg

Non setting area*

Non setting area*

ICAD reading (spring decompression)

Valve type

Max. working pressure

kv / Cv value

Temperature range

Pressure range MOPD/MCPD

Code no.

[bar]

[psig]

[m3/h]

[US

gal/min]

[°C]

[°F]

[bar]

[psig]

EVM NC65940

0.28

0.32

-60/+120

-76/[phone]

027B1120

EVM NO52754

0.12

0.14

-60/+120

-76/[phone]

027B1130

EVM NO52754

0.12

0.14

-60/+120

-76/[phone]

027B1132

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 5: ICAD readings

These areas are dedicated regulation band for the pilot valve. It is recommended not to exceed the limits in above
table value.

Table 8: Technical data for EVM (NC) and EVM (NO)

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Ø50 mm (1.97 in.)

58 mm (2.28 in.)

227 mm (8.94 in.)

187 mm (7.36 in.)

182 mm (7.17 in.)

= 31.7

M24 x 1.5

Ø50 mm (1.97 in.)

66 mm (2.60 in.)

255 mm (10.04 in.)

214 mm (8.42 in.)

136 mm (5.35 in.)

= 31.7

M24 x 1.5

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Dimension and weight

Figure 6: CVP

Figure 7: CVPP

Weight: Approx. 1.46 kg (3.22 lbs)

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Weight: Approx. 1.75 kg (3.86 lbs)

263 mm (10.35 in.)

236 mm (9.29 in.)

= 31.7

M24 x 1.5

66 mm (2.60 in.)

182 mm (7.16 in.)

215 mm (8.46 in.)

Danfoss

27B360

215 mm

(8.5 in.)

Ø 50 mm

(1.97 in.)

= 31.7

M24 x 1.5

58 mm

(2.28 in.)

45 mm

(1.77 in.)

117 mm

(4.6 in.)

Danfoss
27B384

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 8: CVC

Figure 9: CVE

Weight: Approx. 1.78 kg (3.92 lbs)

Weight: Approx. 1.75 kg (3.86 lbs)

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= 32

M24 x 1.5

107 mm (4.21 in.)

83 mm (3.27 in.)

12 W a.c./d.c.

82 mm (3.23 in.)

10 W a.c.

72 mm (2.83 in.)

6

9

10

11

13

14

15

1
2

3
4

5

7
8

16

12

No.

Part

Material

1

Protective cap

Steel

2

Setting spindle

Stainless steel

3

Cap seal

Nylon

4

Packing gland

Steel5Seal

Teon6Spring

Steel

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 10: EVM

Weight: Approx. 0.25 kg (0.6 lbs) - without coil

Material specication

Figure 11: CVP

Table 9: Material specication - CVP

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No.

Part

Material

7

Spring plate

Steel

8

Diaphragm assembly

Stainless steel

9

Valve bonnet

Steel

10

Cover seal

Alu

11

Back up O-ring

12

O-ring

13

Base part

Steel14Seal

Fiber gasket

15

O-ring16O-ring

1
2

3
4

5
16
17

18

7

8

20

12

19

16

19

10

11

13

14

15

No.

Part

Material

1

Protective cap

Steel

2

Setting spindle

Stainless steel

3

Cap seal

Nylon

4

Packing gland

Steel5Seal

Teon6Spring

Steel

7

Spring plate

Steel

8

Diaphragm assembly

Stainless steel

9

Valve bonnet

Steel

10

Cover seal

Alu

11

Back up O-ring

12

O-ring

13

Base part

Steel14Seal

Fiber gasket

15

O-ring16Seal

Fiber gasket

17

Plug for external pressure G1/4

Steel

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 12: CVPP

Table 10: Material specication - CVPP

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No.

Part

Material

18

Seal

Fiber gasket

19

Banjo

Steel20O-ring

1
2

3
4
5

7

8

22

16
17

23

18
15

16

19

10

11

13

14

19
20

21

12

No.

Part

Material

1

Protective cap

Steel

2

Setting spindle

Stainless steel

3

Cap seal

Nylon

4

Packing gland

Steel5Seal

Teon6Spring

Steel

7

Spring plate

Steel

8

Diaphragm assembly

Stainless steel

9

Valve bonnet

Steel

10

Cover seal

Alu

11

Back up O-ring

12

O-ring

13

Base part

Steel14Seal

Fiber gasket

15

O-ring16Seal

Fiber gasket

17

Plug for external pressure G1/4

Steel18Seal

Fiber gasket

19

Banjo

Steel20O-ring21O-ring22O-ring

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 13: CVC

Table 11: Material specication - CVC

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1
26
27

2

6

7

8
28

12

9

10

11

13

14

15

No.

Part

Material

1

Adapter

Stainless steel

2

Setting spindle

Stainless steel

6

Spring

Steel

7

Spring plate

Steel

8

Diaphragm assembly

Stainless steel

9

Valve bonnet

Stainless steel

10

Cover seal

Alu

11

Back up O-ring

12

O-ring

13

Base part

Steel14Seal

Fiber gasket

15

O-ring26Seal

Teon27O-ring

Chloroprene (Neoprene)

28

O-ring

1

2

7

6

A2

A1

11

10

pg 13.5

3

Danfoss

27B287.12.17

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 14: CVE

Table 12: Material specication - CVE

Figure 15: EVM

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No.

Part

Material

1

Coil2Armature

Stainless steel

3

Armature tube

Stainless steel

A2

Seal

Non-asbestos

A1

O-ring

Chloroprene (Neoprene)

6

Seal

Aluminium

7

Spacing ring

8

Nut

9

Lock button

10

Valve body

Steel

11

Valve seat

Teon (PTFE)

24 mm

(0.94 in.)

19.5 mm

(0.77 in.)

76 mm

(2.99 in.)

36 mm

(1.42 in.)

36 mm

(1.42 in.)

1

/

4

in. NPT

DN

Standard

Material

Code no.

6

ANSI/ASME B1.20.1

DIN 9SMnPb 28, W no. 1.0718

027F1159

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Table 13: Material specication - EVM

Housing for pilot valves, type CVH, for mounting in external pilot lines

Figure 16: Pilot valve

Figure 17: Internal pipe thread

Weight: 0.35 kg. (0.8 lb.)

Table 14: Internal pipe thread

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24 mm

(0.94 in.)

19.5 mm

(0.77 in.)

76 mm

(2.99 in.)

36 mm

(1.42 in.)

36 mm

(1.42 in.)

G

1

/

4

A

DN

Standard

Material

Code no.

6

ISO 228-1

DIN 9SMnPb 28, W no. 1.0718

027F1160

18 mm

(0.71 in.)

12.7 mm

(0.5 in.)

70 mm

(2.76 in.)

36 mm

(1.42 in.)

36 mm

(1.42 in.)

DN

Standard

Material

Code no.

10

ASME B 36.10M, SCHEDULE 80

DIN. CK 15, W no. 1.1141

027F1047

22 mm

(0.87 in.)

17 mm

(0.67 in.)

70 mm

(2.76 in.)

36 mm

(1.42 in.)

36 mm

(1.42 in.)

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Figure 18: Internal pipe thread

Weight: 0.35 kg. (0.8 lb.)

Table 15: Internal pipe thread

Figure 19: 3/8 in. butt weld

Weight: 0.33 kg. (0.7 lb.)

Table 16: 3/8 in. butt weld

Figure 20: ½ in. butt weld

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DN

Standard

Material

Code no.

15

ASME B 36.10M, SCHEDULE 80

DIN. CK 15, W no. 1.1141

027F1090

31 mm

(1.22 in.)

22 mm

(0.587 in.)

70 mm

(2.76 in.)

36 mm

(1.42 in.)

36 mm

(1.42 in.)

DN

Standard

Material

Code no.

15

ASME B 16.11

DIN. CK 15, W no. 1.1141

027F1091

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Weight: 0.34 kg. (0.7 lb.)

Table 17: ½ in. butt weld

Figure 21: ½ in. socket weld

Weight: 0.40 kg. (0.9 lb.)

Table 18: ½ in. socket weld

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Description

Code no.

∅ 6.5 mm / ∅ 10 mm

(∅ 0.26 in. / ∅ 0.39 in.) weld / solder

027B2035

B₁

B₄

B₃

B₂

B₅

L

L₁

LL1B1B2B3B4B5

mm

6654AF 19

AF 22

G 1/4 A

G 3/8 A

∅6.5 / ∅10

in.

2.6

2.13

∅0.26/ ∅0.39

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Ordering

Ordering for CVPP and CVC

Figure 22: Ordering for CVPP and CVC

Table 19: Ordering for CVPP

Figure 23: Connector

Table 20: Dimensions

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File name

Document type

Document topic

Approval Authority

RU Д-DK.БЛ08.В.00191_18

EAC Declaration

Machinery & Equipment

EAC

MD 033F0691.AE

Manufacturers Declaration

RoHS

Danfoss

MD 033F0686.AH

Manufacturers Declaration

PED

Danfoss

CRN.0C18990.5123467890YTN

Pressure - Safety Certicate

CRN

TSSA

19.10325.266

Marine - Safety Certicate

RMRS

SA7200

Mechanical - Safety Certicate

UL

RU Д-DK.БЛ08.B.03639

EAC Declaration

Machinery & Equipment

EAC

RU Д-DK.БЛ08.B.00189_18

EAC Declaration

EMC

EAC

033F0474.AC

Manufacturers Declaration

ATEX

Danfoss

033F0686.AG

Manufacturers Declaration

PED

Danfoss

033F0453.AD

Manufacturers Declaration

ATEX

Danfoss

Pilot valve, type CVP, CVPP, CVC, CVE, EVM and CVH

Certicates, declarations and approvals

The list contains all certicates, declarations, and approvals for this product type. Individual code number may have
some or all of these approvals, and certain local approvals may not appear on the list.

Some approvals may change over time. You can check the most current status at danfoss.com or contact your local
Danfoss representative if you have any questions.

Table 21: Certicates, declarations and approvals

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Local Danfoss websites are the main sources for help and information about our company and
products. Find product availability, get the latest regional news, or connect with a nearby expert—all
in your own language.

Find your local Danfoss website here: www.danfoss.com/en/choose-region.

Spare Parts

Get access to the Danfoss spare parts and service kit catalog right from your smartphone. The app
contains a wide range of components for air conditioning and refrigeration applications, such as
valves, strainers, pressure switches, and sensors.

Download the Spare Parts app for free at www.danfoss.com/en/service-and-support/downloads.

Coolselector®2 - nd the best components for you HVAC/R system

Coolselector®2 makes it easy for engineers, consultants, and designers to nd and order the best
components for refrigeration and air conditioning systems. Run calculations based on your operating
conditions and then choose the best setup for your system design.

Download Coolselector®2 for free at coolselector.danfoss.com.

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its
products without notice. This also applies to products already on order provided that such alterations can be made without subsequential
changes being necessary in specications already agreed. All trademarks in this material are property of the respective companies. Danfoss and
the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

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