Description

Direct operated pressure relief 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 (in size 06 only) bar.
Two options for pressure adjustment With set screw and Lock nut.
With hand knob.
Direct operated pressure relief valve - DPR
Section

Unit Dimensions

Threaded cartridge and cavity details

 

Size

Mass Kg.

A/F1

A/F2

A/F3

M6H

ØD1

ØD2H9

ØD3

ØD4

L1

L2

L3

L4±0.5

L5±0.2

L6±0.2

L7±0.2

L8

L9

Tightening torque Nm.

06

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

78.5

110

70

54

27

21

91.5

170

 

Threaded port body

Size NG

Mass Kg.

B1

B2

ØD1

ØD2

ØD3

ØD4

M

A/F1

A/F2

A/F3

L1

L2

L3

L4

L5

L6

H1

H2

T1

06

1.2

45

60

43

6.6

22

G1/4

M6

30

19

4

65

64

20

80

15

40

40

25

11

10

2.8

60

80

48

9

30

G1/2

M8

36

19

5

80

82

22

100

20

49

60

40

15

20

6.2

70

100

60

9

44

G1

M8

46

19

5

78.5

85

34

135

20

65

70

50

15

 

Subplate Type

  ( Factory Standard )

Size

Mass Kg.

B1

B2

ØD1

ØD2

A/F1

A/F2

A/F3

L1

L2

L3

L4

L5

L6

H1

H2

06

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


  ( ISO Standard ) NG06

Subplate

Size

Model

Mass

B1

B2

B3

B4

M

ØD1

ØD2

ØD3

ØD4

ØD5

H1

L1

L2

L3

L4

L5

06

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

Valve fixing screws S.H.C.S.

Tightening Torque

06

1NSR03G02

110

22

65

39

37

20

10

16

12

25

M6 x 30L, 4 Nos. (10.9)

15 N m

10

1NSR05G03

135

27.5

80.5

40.5

47.5

20

12

16

12

35

M8 x 40L, 4 Nos. (10.9)

35 N m

10

1NSR05G04

135

27.5

80.5

40.5

47.5

20

12

16

14

35

M8 x 40L, 4 Nos. (10.9

35 N m

20

1NSR07G08

170

20

97

42

50

40

22

27

20

40

M8 x 80L, 4 Nos. (10.9)

35 N m

 

Technical Specifications
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 6462-AB-03-4-C and ISO 6462-AR-06-2-A 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. (for Model DPR06*700-011 only)

                                  for port T ........

315 bar. 
Pressure setting ranges ................... Upto 25, 50, 100, 200, 315, 400 and 700 bar.
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.
Performance  .................................... Refer graph.

Performance Curves

Oil used : ISO VG 68, Viscosity : 68 cSt @ 40º C, Temp. @ test : 50º C

d04896-6.gif (4256 bytes)

Ordering Informations

Note : Subplate to be ordered separately

 

Direct operated pr. relief valve DPR
Pressure Adjustments
Size
Mounting Styles
Pressure Range
Design Code Subject to Change.
Installation dimension remain
same for design code

Product Code

All rights reserved.
Subject to revision.

Regd. office & Works :
78-80, Machhe Industrial Estate, Machhe, Belgaum - 590 014. Karnataka, INDIA. 
Phone :
+91-0831-2411001.  Fax : +91-0831-2411002 ,  
E-mail :
 
polyhydron@vsnl.com ,  Website :  www.polyhydron.com

 

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Updated on May 13, 2010 02:30 pm .