Burkert 0420 Manual de usuario

Operating Instructions Type 0420

Marking (example):

Body Material

PL = Polyamide Plastic

Seal Material

NBR = NBR

FKM = FKM

Circuit Function

G = 4-way

Recorder No.

Voltage / Frequency / Power Consumption

Maximum Pressure

Approvals

The valve is either approved as

General Purpose valve for Hazardous Locations

Class I, Division 1, Group A, B, C, D

Class II, Division 1, Group E, F, G

Class III, Division 1 and 2

Operating Temperature T 4

or General Purpose valve for Hazardous Locations

Class I, Division 1, Group A, B, C, D

Class II, Division 1, Group E, F, G

Class III, Division 1 and 2

Operating Temperature T 6

or FM approved as

Nonincendive for Hazardous Locations

Class I, Division 2, Group A, B, C, D

Class II, Division 2, Group F, G

Class III, Division 1 and 2

Operating Temperature T 4A

UL listed for Ordinary locations

CSA approved for Ordinary locations

See label on the valve.

Operating Instructions 0605/08_EU-EN_00893139

Table 1 Seal materials

Fluid Tempera-

tures [°F] Buna "N" (B) FKM (F)

Air Fluid T.

Ambient + 14 to + 122

+ 14 to + 122 + 14 to + 122

+ 14 to + 122

Neutral

gas Fluid T.

Ambient + 14 to + 122

+ 14 to + 122 + 14 to + 122

+ 14 to + 122

Design:

4-way solenoid valve, internally piloted, in the de-energized

condition port P connected to port B and port R connected to

port A. With manual override and flow restrictors.

Seal Materials and Fluids handled:

See Table1.

Fluid and Ambient Temperature:

For Hazardous Locations Div. 1 (T6 rated)

Max. Ambient Temperature 104 °F (40 °C)

Max. Fluid Temperature 140 °F (60 °C)

For Hazardous Locations Div. 2 and Ordinary Locations:

See Table1.

Pressure Range:

Minimum pressure differential between inlet and outlet port is

35 PSI.

Maximum inlet pressure see label on valve.

Installation:

Installation position as required. Ensure exhaust outlets for

pilot valve and main valve remain unrestricted but protect

against entry of dust, water and foreign matter. Pipework

should be clean. Do not put any loads on coil unit. Pipework

should be supported and installed to prevent strain on valve

body. Fittings should be sealed with PTFE tape, max. torque

80 in-lbs. Mounting is accomplished by means of two M4 self-

locking threaded brass inserts located on the valve

underside. Maximum thread depth is 6 mm.

Operating Instructions

Wiring Diagram

Electrical Connection Type 2509

Electrical Connection:

Ensure supply voltage/frequency corresponds with that on label.

Voltage tolerance is ± 10 %.

Available Electrical Connections see “Marking”.

Wiring diagram see above.

For this product to be considered UL-listed and CSA approved

for General Purpose and FM approved for Hazardous Locations

Division 2, it must be in conjunction with the type 2509 cable plug

connector (Electrically Operated Valves Parts, YSYI2).

The connector and gasket must be assembled to the valve with the

screw provided after the connection of the wire leads. This valve

and connector assembly is delivered together and is to be used as

one unit.

For valves to be used in Intrinsically Safe Applications the positive

pole is identified by a “+” on the pin or wire No. 1 has to be con-

nected to the “+”.

See Control Drawing for the Rules of Interconnection.

Warning:

All valves to be used in Intrinsically Safe Applications must be

clearly marked as Intrinsically Safe Apparatus.

Trouble-Shooting:

Check port connections, minimum operating pressure differential

if required and supply voltage. Ensure pilot hole in piston is clear

and pilot bore in the valve outlet is not abstracted. If core does not

pull in, check for short circuit, coil burn-out or foreign matter im-

peding core movement. A jammed or missing core causes the coil

to overheat in the case of AC supply.

Warning:

These products are designed to operate in a wide variety of ap-

plications, it is the user’s responsibility to select a model that is

appropriate for the application. This product is designed to be

installed only by suitably qualified and trained personnel.

Specifications should not be exceeded under any circumstances.

The torque for the terminal screw on type 2509 is 0,5 Nm

(4,4 lbf-in.).

Changes made to this product will render any applicable warranty

null and avoid.

Specifications subject to change without notice.

Any questions? Please call Bürkert Contromatic Technical Service

at (949) 223 31 00.

Power*

Ground (green dot)

* Orientation is not important

Germany

Contact address:

Bürkert Fluid Control Systems

Sales Center

Chr.-Bürkert-Str. 13-17

D-74653 Ingelﬁngen

Tel. + 49 (0) 7940 - 10 91 111

Fax + 49 (0) 7940 - 10 91 448

E-mail: [email protected]

International

Contact addresses can be found on the Internet at:

www.burkert.com Bürkert Company Locations

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