background image

8  

EB 3930 EN

Design and principle of operation

3.1  Technical data

General data

Design

Solenoid and spool valve with return spring

Switching function

3/2 or 5/2-way function

Actuation

Pilot-operated on one side

Material

Enclosure: black polyamide (solenoid) and aluminum (valve body) 

Internal parts: stainless steel and brass 

Screws: zinc-plated steel 

Short-circuit ring: copper 

Gaskets: nitrile butadiene rubber

Degree of protection

IP 65 (with mounted cable socket)

Mounting

NAMUR interface ¼“ according to VDI/VDE 3845

Mounting position

Any desired position

Ambient temperature

–10 to +60 °C

Approx. weight

0.42 kg

Electric data

Nominal signal

24 V DC (±10 %) or 230 V AC (±10 %), other nominal signals on request

Power consumption

3 W (DC), 5 VA (AC)

Duty cycle

100 %

Connection

Connector according to DIN EN 175301-803, type B, 3-pole

Pneumatic data

Medium

Instrument air (free from corrosive substances)

Medium temperature

+5 to +80 °C

Compressed air quali-

ty according to 

ISO 8573-1

Max. particle size and density: Class 4 · Oil content: Class 3 · Pressure dew 

point: Class 3 or at least 10 K below the lowest ambient temperature to be ex

-

pected

K

VS

 1)

0.85

Output signal

Same as the operating pressure

Operating pressure

2.5 to 10 bar

Connection

Threaded connection G ¼ and NAMUR interface ¼“ according to VDI/

VDE 3845

1) 

The air flow rate when p

1

 = 2.4 bar and p

2

 = 1.0 bar is calculated using the following formula:

 

Q = K

VS

 x 36.22 in m³/h.

Summary of Contents for 3930

Page 1: ...Translation of original instructions EB 3930 EN Edition October 2020 Type 3930 Solenoid Valve...

Page 2: ...st you in mounting and operating the device safely The instructions are binding for handling SAMSON devices The images shown in these instructions are for illustration purposes only The actual product...

Page 3: ...unting and start up 10 4 1 Mounting position 10 4 2 Conversion from 5 2 way to 3 2 way function 10 4 3 Mounting on rotary actuators 12 4 4 Attachment to linear actuators using an adapter plate 13 5 Pn...

Page 4: ...y hazards that could be caused in the control valve by the process medium the signal pressure or by moving parts are to be prevented by taking appropriate precautions The pilot supply pressure must no...

Page 5: ...on the device 2 Markings on the device 2 1 Nameplate 1 Article code 2 Configuration ID 3 Serial number Solenoid valve 3930 SAMSON AG Germany Made in Germany Model 3930 Air supply max 10 bar 150 psi 1...

Page 6: ...ing a screwdriver 3 Switching function 3 2 way function 0 5 2 way function 1 Attachment NAMUR interface according to VDI VDE 3845 0 KVS coefficient 0 85 0 Pneumatic connection G 1 Enclosure material A...

Page 7: ...id plunger system with a downstream spool type poppet valve When the solenoid coil is energized the solenoid plunger is lift ed and opens the connection for the pilot control of the poppet valve The p...

Page 8: ...0 42 kg Electric data Nominal signal 24 V DC 10 or 230 V AC 10 other nominal signals on request Power consumption 3 W DC 5 VA AC Duty cycle 100 Connection Connector according to DIN EN 175301 803 type...

Page 9: ...2 Dimensions in mm 149 107 55 24 32 40 98 5 25 12 44 22 22 NAMUR interface according to VDI VDE 3845 Manual override Type B connector according to DIN EN 175301 803 Cap screw DIN EN ISO 4762 M5x25 Co...

Page 10: ...entries must face downward or in cases where this is not possible mount them in the horizontal position 4 2 Conversion from 5 2 way to 3 2 way function The solenoid valve can be converted from a 5 2 w...

Page 11: ...EB 3930 EN 11 Mounting and start up 4 2 A B A B 1 3 3 1 2 5 way 3 way Unused Unused Plug without seal Plug with seal Plug with seal Plug without seal Fig 2 Conversion from 5 2 way to 3 2 way function...

Page 12: ...ators These devices can be mounted to rotary actuators with NAMUR interface without additional mounting parts see Fig 3 Before mounting check that two O rings are seated properly Use two screws to mou...

Page 13: ...ent to linear actuators using an adapter plate These devices can be mounted to linear actuators with a NAMUR rib using an adapter plate order no 1400 6751 See Fig 4 60 92 30 Fig 4 Adapter plate item n...

Page 14: ...icient of an upstream pres sure reducing valve must be at least 1 6 times larger than the KVS coefficient of the device Port labeling Inscription Function 1 Supply air 2 4 Output 3 5 Exhaust WARNING 5...

Page 15: ...er is installed and the connections have been properly mounted A three pole connector according to DIN EN 175301 803 type B is used for electrical connection see Fig 5 81 8 7 6 2 5 3 2 1 1 2 4 3 3 4 8...

Page 16: ...witch Spool in the enclosure is blocked Contact SAMSON Insufficient pilot pressure Check the pressure line Check the pressure line for leak age Use a larger cross section for the pressure line The sol...

Page 17: ...On request we can appoint a service provider to dismantle and recycle the product 9 Accessories Designation Order number Blanking plug G stainless steel 1 4571 for threaded connections 0070 0856 O rin...

Page 18: ...18 EB 3930 EN...

Page 19: ...EB 3930 EN 19...

Page 20: ...2022 12 13 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 3930 EN...

Reviews: