Walvoil DPC130X Скачать руководство пользователя страница 9

D1WWTD02E

9

Service Manual

DPC130X

___________________________________________________________________________________  

General specifications

Working conditions

This catalogue shows technical specifications and diagrams measured with mineral oil of 46 mm

2

/s -

 

46 cSt

 

viscosity at 40°C - 

104°F

 

temperature.

Nominal flow rating

(open center circuit)

on inlet port with compensator
@ stand-by (margin pressure)

150 l/min - 

39.6 US gpm

 

@ 9 bar - 

131 psi

on working ports with compensator
@ stand-by (margin pressure)

100 l/min - 

26.4 US gpm

 @ 7 bar - 

102 psi

on working ports without compensator 
@ stand-by (margin pressure)

130 l/min - 

34.3 US gpm

 @ 9 bar -

 

131 psi

Max. pressure

inlet port

315 bar (

1

) - 

4500 psi

 

(

1

)

A

 

and 

working ports

315 bar (

1

) - 

4500 psi

 

(

1

)

Back pressure (max.)

on 

T

 outlet port

25 bar -

 

363 psi

on 

drain port

2.5 bar -

 

36 psi

Standard internal
leakage A(B)->T

∆p=100 bar -

 

1450 psi

16 cm

3

/min - 

0.98 in

3

/min

with port valves, ∆p=100 bar - 

1450 psi

 21 cm

3

/min - 

1.28 in

3

/min

Fluid

Mineral oil

Fluid temperature range

with seals NBR (BUNA-N)

from -20

°

C to 80

°

C -

 

from -4°F to 176°F

with seals FPM (VITON)

from -20

°

C to 80

°

C - 

from -4°F to 176°F

Viscosity

operating range

from 15 to 75 mm

2

/s -

 

from 15 to 75 cSt

min.

12 mm

2

/s -

 12 cSt

max.

400 mm

2

/s -

 

400 cSt

Contamination level

max.

-/18/15 - ISO 4406 -

 

NAS 1638 class 9

Environmental
temperature for working conditions

from -20

°

C to 60

°

C (

2

) - 

from -4°F to 140°F

 (

2

)

Environmental
pressure for working conditions

from +0.8 to + 1.1 bar - 

from +11.6 to 16 psi

NOTES: (

1

) According to NFPA T 2.6.1., fatigue rating verified for 1 million cycles on 6 sample valves with test Pressure = 1.23 x Max. pressure 

indicated - (

2

) DPC130X can operate with gases with an ignition temperature above 135°C - 

275°F

 and powders with an ignition temperature 

above 130°C - 

266°F

.

REFERENCE STANDARD

BSP

UN-UNF

THREAD 
ACCORDING TO

ISO 228/1

ISO 263

BS 2779

ANSI B1.1 unified

CAVITY 
DIMENSION 
ACCORDING TO

ISO

1179

11926

SAE

J1926

DIN 3852-2, X or Y shape

PORTS

BSP

UN-UNF

inlet

G 3/4

1 1/16-12 (SAE 12)

A

 and 

ports

G 1/2

7/8-14 (SAE10)

outlet

G 3/4

1 1/16-12 (SAE 12)

LS 

Load Sensing

G 1/4

9/16-18 (SAE 6)

V1 

pilot

G 1/4

9/16-18 (SAE 6)

V2 

pilot

depends on inlet section type:

see pages from 14 to 17 (

5

)

drain

G 1/4

7/16-20 (SAE 4)

pressure gauge

G 1/4

9/16-18 (SAE 6)

Hydraulic control ports

G 1/4

9/16-18 (SAE 6)

NOTES (

5

): ATTENTION! V2 pilot port requires dedicated

joints; please see Inlet section pages.

NOTES (

3

): Standard pressure series - (

4

): For pressure up to 350 bar 

(

5100 psi

)

Standard thread

Содержание DPC130X

Страница 1: ...DPC130X Pre compensated Load Sensing Sectional Valve ATEX version...

Страница 2: ...FOR ANY RESULTING INJURY OR DAMAGE TO PERSONS OR PROPERTY Whenever the symbols shown below appear follow the instructions that are given Be sure to perform all operations and maintenance in complete...

Страница 3: ...DPC130X _________________________________________________________________________________________ Table of contents Introduction page 4 Valve description page 5 General specifications page 9 Storage p...

Страница 4: ...e product you must read this Service Manual carefully and understand its contents in order to prevent accidents or damages Do not carry out assembly disassembly and or maintenance activities before co...

Страница 5: ..._____________________ Valve description Operating principle of Pre Compensated Load Sensing technology The main feature of this principle is that the flow rate to the user is proportional to the spool...

Страница 6: ...to which Group the product belong and determine the category inside the Group Areas Gas Air type explosive mixture G Dust Air type explosive mixture D With the Atex Directive 2014 34 UE for the safety...

Страница 7: ...tions for breakdown in case of explosion These products have to work in compliance with operative parameters established by the Manufacturer in environments with a high probabi lity of frequent or lon...

Страница 8: ...0 60 C T fluid 20 80 C Via Adige 13 D 42124 Reggio E Italy CE mark DATAMATRIX ATEX mark manufacturer reference ATEX category environmental temperature fluid temperature E F 230 9 06 54 5 2 15 5 0 197...

Страница 9: ...ng range from 15 to 75 mm2 s from 15 to 75 cSt min 12 mm2 s 12 cSt max 400 mm2 s 400 cSt Contamination level max 18 15 ISO 4406 NAS 1638 class 9 Environmental temperature for working conditions from 2...

Страница 10: ...WARNING WARNING Cast iron O ring seals Parback Spring steel Other steel Other Cast iron EN GJl 250 NBR 70 Sh AISI 302 11SMnPb37 Sint A50 Cast iron EN GJL 300 VITON 75 Sh VDSiCr EN10270 2 16CrNi4Pb Ca...

Страница 11: ...on of the hydraulic schema especially in case of electrohydraulic control be sure that drain line is directly connected to tank avoid any back pressure in case of variable displacement system be sure...

Страница 12: ...case of the presence of electrohydraulic controls or unloading valve please cover these electronic parts as well as the cables before painting avoid painting the marking label for the electric parts...

Страница 13: ...device before removing the hoses attach suitable indications on them so to be able to locate their positions later on It is also advisable to label dismounted parts and to write down their original l...

Страница 14: ...ction screw by hand the tie rods from the side of shorter thread on the inlet section mount the working sections according to the scheme mount the outlet section put on the spring washers on the tie r...

Страница 15: ...ces Periodically check the tightening of Tie rods Lever box Control kit screws Unloading screw Electrohydraulic valve screws Hydraulic fittings Constantly check oil contamination status and plant filt...

Страница 16: ...WWW WALVOIL COM 1st edition September 2018 D1WWTD02E...

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