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Proportional pressure reducing valve
Proportional pressure reducing valve Proportional pressure reducing valve

COMMISSIONING ACCESSORIES Proportional pressure reducing cartridge
For DSV amplifiers as a rule no parameter adjustments by the cusot­ Parameterisation software See start­up ◆ pilot operated M22 x 1,5
mer are required. The plugs have to be connected in accordance with ◆ Q = 40 l/min ISO 7789
max
the chapter «Electrical connection». Parameterisation cable for interface Article no. 219.2896 ◆ p = 400 bar
USB p max = 350 bar x II 2 G Ex db IIC T6, T4
(from plug type A on Mini B, 3 m) ◆ N red max x II 2 D Ex tb III C T80 °C, T130 °C
Controllers are supplied configured as amplifiers. The adjustment of
the mode of control and of the controller are carried out by the custo­ Mating connector (plug female) for analog interface x I M2 Ex db I Mb
mer by means of the software adjustment (USB interface, Mini B). straight, soldering contact M23, 12 Article no. 219.2330 Class I Division 1
Further information can be found on: «www.wandfluh.com». pole Class I Zone 1
Free­ of charge download of the «PASO» software and the operation angled, soldering contact M23, 12 Article no. 219.2331
instructions for «DSV» hydraulic valves as well as the operation inst­ pole
ructions CANopen Protocol resp. Profibus DP Protocol, with Device straight, soldering contact, 7 pole Article no. 219.2335 DESCRIPTION APPLICATION
Profile DSP­408 for «DSV». Pilot operated proportional pressure reducing valve in screw-in These valves are suitable for applications in explosion-hazard
cartridge construction for cavity according to ISO 7789. Proportio- areas, open cast and also in mines. The electrical remote control in
Flange body / sandwich plate Data sheet 2.3­820 nally to the solenoid current, the solenoid force and the pressure in conjunction with process controls allows economical solutions
NG4­Mini port A (1) rise. The valve functions practically independently of the with repeatable processes. The screw-in cartridge is perfectly sui-
Note! The mating connectors and the parameterisation cable Flange body / sandwich plate NG6 Data sheet 2.3­840 pressure in port P (2). Pressure increase in the consumer port A (1) table for installation in control blocks and is installed in sandwich-
are not part of the delivery. Refer to chapter «Accesso­ to above the adjusted value, e.g. through an active consumer, is (vertical stacked systems) and in flange plates (corresponding data
ries». Flange body / sandwich plate NG10 Data sheet 2.3­860 avoided by discharging excess oil to the tank T (3). With the sole- sheets in this register). For machining the cartridge cavity in steel
Threaded body Data sheet 2.9­210
noid deenergised, the oil flows freely from consumer port A (1) to and aluminum blocks, cavity tools are available (hire or purchase).
Technical explanations Data sheet 1.0­100 port T (3). For the control, Wandfluh proportional amplifiers are Please refer to the data sheets in register 2.13.
Filtration Data sheet 1.0­50 available (see register 1.13). The pressure tight encapsulated
Relative duty factor Data sheet 1.1­430 Ex-protection solenoid coil prevents an explosion on the inside
penetrating to the outside as well as an ignitable surface tempera-
Note! Auxiliary conditions for the cable: ture.
– External diameter 12 pol: 3,5…14,7 mm
– External diameter 7 pol: 8…10 mm
– Wire cross section max. 1 mm 2 SYMBOL CERTIFICATES
– Recommended wire cross section:
0…25 m = 0,75 mm (AWG18) Surface Mining Standard M248
2
25…50 m = 1 mm (AWG17) (A) 1 -25 °C Electronic
2
to…
INSTALLATION NOTES STANDARDS ATEX x x x x
IECEx x x x x
Mounting type Screw­in cartridge M22 x 1,5 Cartridge cavity ISO 7789 (P) 2 (T) 3
Mounting position Any, preferably horizontal CANopen DRP 303­1 CCC x x x x
Tightening torque M = 60 Nm Screw­in cartridge Profibus DP IEC 947­5­2 EAC x x x x
D
M = 5 Nm knurled nut Protection class EN 60 529 Australia x x x
D
Contamination ISO 4406 MA x x x
efficiency UL / CSA x x
The certificates can be found on www.wandfluh.com
SEALING MATERIAL MANUAL OVERRIDE
NBR or FKM (Viton) as standard, choice in the type code HB4,5 as standard
GENERAL SPECIFICATIONS ACTUATION
Designation Proportional pressure reducing valve Actuation Proportional solenoid, wet pin push
SURFACE TREATMENT Construction Pilot operated type, pressure tight
◆ The cartridge body and the solenoid are zinc­nickel coated Mounting Screw-in cartridge construction Execution MKY45 / 18x60 (data sheet 1.1-183)
◆ The electronics housing is made of aluminium. Nominal size M22 x 1,5 according to ISO 7789 MKU45 / 18x60 (data sheet 1.1-184)
Actuation Proportional solenoid Connection Cable gland for cable Ø 6,5…14 mm
Ambient temperature Operation as T4 Attention! The UL execution is always supplied without cable
-25…+70 °C (L15 / L17) gland
Weight 2,2 kg
MTTFd 150 years

Wandfluh AG Postfach CH­3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com

www.wandfluh.com Illustrations are not binding Data subject to change 6/6 Edition: 20 22 2.3-643 E www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 21 21 2.3-644 E
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