ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

1 of 6

Polyhydron Pvt. Ltd.

78-80, Machhe Industrial Estate,

Machhe, Belgaum - 590 014. INDIA.

Cartridge with hand knob for

pr. adjustment.

Cartridge with set screw for

pr. adjustment.

Cartridge cavity machining details.

Description

Direct acting valve.

Guided poppet design.

Cushion arrangement for greater stability and noise control.

Three sizes. - 06, 10 and 20.

Three mounting styles - Threaded cartridge.

Threaded port body.

Subplate Type (Factory Std. & ISO Std.)

Six pressure ranges - Upto 25, 50, 100, 200, 315 & 400.

- 700 bar. ( in size 06 only )

Two options for - With set screw and Lock nut.

pressure adjustment With hand knob.

Section

Dimensions in mm.

Threaded cartridge and cavity details

Unit dimensions

Hydraulic Symbol

Release 05 / 2014

Phone : +91-(0)831-2411001

Fax : +91-(0)831-2411002

E-mail : polyhydron@gmail.com

Website : www.polyhydron.com

Size

Mass

Kg.

A/F1 A/F2 A/F3

M

6H

ØD1

ØD2

6H

ØD3 ØD4 L1 L2 L3

L4

±0.5

L5

±0.2

L6

±0.2

L7

±0.2

L8 L9

Tightning

torque Nm.

6 0.45 19 30 4 M28 x 1.5 43 25 15 6 64 64 65 65 45 35 19 15 55 120

10 0.9 19 36 5 M35 x 1.5 48 32 19 10 77 82 80 80 52 41 23 18 69 140

20 1.6 19 46 5 M45 x 1.5 60 40 24 20 103 85 79 110 70 54 27 21 92 170

max.

ØD1

A

0.03

1.6

ØD4

ØD2

L1

L2

A/F3

A/F1

A/F2A/F2

T

P

L8

L4

°

L3

0.05

A

0.8

0.4R

max.

A

L9

L7

L6

L5

T

P

M

ØD3

6H

H9

20

90

P

T

P

Table 1.

ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

2 of 6

Subplate type

(Factory Standard)

Threaded port body

L4

H2

ØD1

L5

B1

B2

L1

ØD2

H1

A/F 3

L2

max.

L3

L6

A/F 1

A/F 2

T

P

ISO Interface

Ø4 Drill,

5 deep.

I.S.O Body (Sub-plate)

P

T

46

62

P

T

40.5

33

21.5

0

31.75

-0.75

31

5.1

25.9

0

Ø7.5 max.

Ø5.5

Subplate type

(ISO Standard) NG06

Table 2.

Size Mass Kg. B1 B2 ØD1 ØD2 A/F1 A/F2 A/F3 L1 L2 L3 L4 L5 L6 H1 H2

6 1.1 45 60 43 6.6 30 19 4 65 64 15 80 55 4 40 21

10 2.4 60 80 48 9 36 19 5 80 82 20 100 70 5 55 28

20 8 70 100 60 9 46 19 5 78.5 85 20 135 100 5 70 70

Table 3.

B2

L3

B1

L4

ØD1

L6

H2

A/F3

T

P

T

P

H1

M Tap

T1 deep

max.

L2

ØD3

(typical)

ØD4

A/F2

A/F1

Valve with

hand knob for

pr. adjustment.

L1

B1

T

P

Valve with

Set screw for

pr. adjustment.

Size

Mass

Kg

B1 B2 D1 D2 D4 M A/F1 A/F2 A/F3 L1 L2 L3 L4 L6 H1 H2 T1

06 1.2 45 60 43 22 G1/4 M6 30 19 4 65 64 35 80 55 40 25 11

10

2.8

60

80

48 30 G1/2 M8 36 19

5

80 82 42 100 69 60 40 15

20

6.2 70 100 60 44 G1 M8 46 19 5 78.5 85 54 135

85

70 50 15

ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

3 of 6

0.8

B3

B1

B4

Subplate

B2

L1

L2

L6

L5

L4

L3

T

1

T3

H1

L9

L11

L10

R

Valve mounting face

T2

ØD3

ØD4

Pannel cutout

P

T

L8

ØD1

ØD2

ØD5

M tap

T1 deep

Technical specifications

L7

P

Construction ..................................... Direct acting, Poppet type.

Mounting style .................................... Threaded Cartridge, Threaded Port body or

Subplate Type (Factory Std. & ISO Std.)

Interface ............................................ Factory standard

Note : Subplate mounting valves having interface as per

ISO 6264-03-04 and ISO 6264-06-09 are also

available on request. Please ask for details

Mounting position ............................. Optional.

Flow direction ................................... From P to T

Operating pressure for port P ........... 400 bar. (Standard model)

for port P .................. 700 bar max.(for Model DPR06*700-11 only)

for port T .................. 315 bar.

Pressure setting ranges .................... Upto 25, 50, 100, 200, 315, 400 and 700 bar max.

Hydraulic medium ............................ Mineral Oil

Viscosity range ................................ 10 Cst. to 380 Cst

Fluid temperature range ................... -20 °C to +70 °C

Fluid cleanliness requirement ......... As per ISO 16/13 or better.

Mass ................................................ Refer individual table.

Size Model Mass B1 B2 B3 B4 M ØD1 ØD2 ØD3 ØD4 ØD5 H1 L1 L2 L3 L4 L5

6 1NSR03G02 1.2 45 60 22.5 7.5 M6 11 7 22 G1/4 6 25 40 20 8 55 94

10 1NSR05G03 2.4 60 80 30 10 M8 11 7 25 G3/8 10 30 45 21 10 70 115

10 1NSR05G04 2.4 60 80 30 10 M8 11 7 30 G1/2 10 30 45 21 10 70 115

20 1NSR07G08 5.3 70 100 35 15 M8 17.5 11.5 44 G1 20 40 65 34 15 100 140

Size Model L6 L7 L8 L9 L10 L11 T1 T2 T3 R

6 1NSR03G02 110 22 65 39 37 20 10 16 12 25

10 1NSR05G03 135 27.5 80.5 40.5 47.5 20 12 16 12 35

10 1NSR05G04 135 27.5 80.5 40.5 47.5 20 12 16 14 35

20 1NSR07G08 170 20 97 42 50 40 22 27 20 40 M8 x 80 L4 Nos. (10.9)

Tightening Torque

15 N m

35 N m

Valve fixing screws S.H.C.S.

M6 x 30 L4 Nos. (10.9)

M8 x 40 L4 Nos. (10.9)

Table 4.

ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

4 of 6

Subject to revision.

Ordering Code

Note : Subplate to be ordered separately.

I.S.O. mounting I

04

11

DPR

H 06 T

25

04

Set screw

Hand knob

Size 06, 10 and 20

S

H

25, 50, 100, 200

315, 400 & 630 bar

K

T

S

Cartridge

Threaded

Subplate

21

10 thru 19, factory Std.

( For Threaded Valve only )

Design code subject to change.

Installation dimensions remain same.

20 thru 29, ISO Std.

( for DPR*06S*-21 only )

Direct operated

Pressure Relief Valve

01 thru 09, factory Std.

( For Subplate Valve only )

ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

Sectional View and Part List

5 of 6

19

2

18

1

2630

12

35

T4

34

16

Wrench key

T1

Spanner

T2

T3

Tools required

19 A/F

5 A/F

36 A/F

1

4 A/F

19 A/F

30 A/F

1

5 A/F

46 A/F

19 A/F

Hydraulic symbol

Size DPR06 Size DPR10 Size DPR20

6 A/F

Wrench key

T4

1

10 A/F 6/17 A/F

31

49

48

T P

14

42

32

36to41

28

3

29

27

4

9

5

11

10

43

T3

13

15

17

7

T2

T1

33

6

8

4746

44

45

Model :DPR*06I

ISO Mounting

ENGINEERING

D04896

DIRECT ACTING

PRESSURE RELIEF VALVE

Model : DPR

Ref. No. D04896

A Polyhydron Group Company

01

- -

01

02

01

02

01

- -

6 of 6

Valve seat

Poppet

Spring pad

Spring casing

Top nut

Adjusting screw ( Set pr.)

Check nut

Cap

Adjusting screw ( Hand knob )

Hand knob

Label ( Regulation )

Body ( Threaded )

Label ( Threaded )

Body ( Subplate )

Label ( Subplate )

Body ( ISO mounting )

Label ( Standard )

Valve seat ( dia 4 )

Poppet ( dia 4 )

Body ( Threaded ) - 700 bar

Body ( Subplate ) - 700 bar

- -

O'ring ( Nitrile )

Backup ring ( Teflon )

O'ring ( Nitrile )

Grub screw

Circlip ( IS 3075-1965 )

Elastomeric plug

Dowel pin

Spring 25 bar

Spring 50 bar

Spring 100 bar

Spring 200 bar

Spring 315 bar

Spring 400 bar

Rivet ( Type ' U ' )

Spring retainer

Circlip ( IS 3075 - 1965 )

O'ring

- -

17 id x 1.8 csd

11.3 id x 2.4 csd

22 id x 1.8 csd

22.3 x 24.98 x 1.2 th.

7 id x 1.5 csd

7.5 id x 1.8 csd

M6 x 1, 8 L

'C' type, dia 6 nominal,

( External )

G1/4

Dia 3 x 8 L

Code 20136

- - " - - 20137

- - " - - 20138

- - " - - 20139

- - " - - 20140

- - " - - 20141

2 x 4.5 M ( Nettlefold )

- - " - -

- -

20101

20102

20103

20104

20105

20106

20107

20108

20109

20110

20111

20112

20113

20114

20115

20116

00002

20118

20119

20120

20121

- -

20126

20127

20128

20129

20130

20131

00045

00060

00202

00036

20136

20137

20138

20139

20140

20141

00001

- -

Sl.no. Description Part no. Size. Qty.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

* 26

* 27

* 28

* 29

* 30

* 31

32

33

34

35

# 36

# 37

# 38

# 39

# 40

# 41

42

43

44

45

# 46

# 47

Part no.

Size. Qty.

- -

23.5 id x 1.8 csd

17 id x 2.5 csd

28.3 id x 1.78 csd

31.98 x 29.3 x 1.2 th.

12 id x 2 csd

- -

M8 x 8 L

'C' type,dia 8 Nominal,

( External )

G1/2

- -

Code 20236

- - " - - 20237

- - " - - 20238

- - " - - 20239

- - " - - 20240

- - " - - 20241

2 x 4.5 M ( Nettlefold )

- - " - -

- -

Size DPR 06 Size DPR 10

01

- -

01

02

- -

02

01

- -

01

02

01

- -

20201

20202

20203

20204

20205

20206

20207

20208

20209

20210

20211

20212

20213

20214

20215

- -

20226

20227

20228

20229

20230

20231

00042

20233

00204

- -

20236

20237

20238

20239

20240

20241

00001

- -

Part no. Size. Qty.

- -

28.2 id x 2.65 csd

- -

34.5 id x 2.65 csd

31.98 x 29.3 x 1.2 th.

23 id x 2.5 csd

- -

M8 x 8 L

'C' type,dia 8 Nominal,

( External )

G1 ( Threaded )

- -

Code 20336

- - " - - 20337

- - " - - 20338

- - " - - 20339

- - " - - 20340

- - " - - 20341

2 x 4.5 M ( Nettlefold )

- - - " - - - " - - -

- -

'C' type,dia 8 Nominal,

( External )

14 id x 1.8 csd

32 id x 2.3 csd

Size DPR 20

20301

20302

20303

20304

20305

20306

20307

20308

20309

20310

20311

20312

20313

20314

20315

20316

00002

20318

20319

20320

20321

- -

20326

20327

20328

20329

20330

20331

00042

20333

00202

- -

20336

20337

20338

20339

20340

20341

00001

20344

20345

20346

20347

01

- -

01

02

- -

02

01

- -

01

02

01

- -

01

Note : * Recommended seal kit. * & # Recommended spare kit.

While ordering the individual spares / spare kit / seal kit, give part no. and

complete details of model code as on the label.