溢流阀

pmax = 8 l/min

max = 400 barNG3-Mini

®

• Direct operated: Qmax = 5 l/min pN max = 315 bar pmax = 400 bar

DESCRIPTION

FUNCTION

APPLICATION

Pilot and direct operated pressure reducing When the inlet pressure exceeds the control For limiting the operating pressure in hydraulic valves NG3-Mini. Flange and sandwich con-spring setting the main poppet opens allow-systems by by-passing fl uid from the protected struction according to Wandfl uh standard with ing fl uid to by-pass to tank „T“. Both fl ange „P“, „A“ and „B“ lines to tank „T“. Flange and 4 ports. Incorporated are proportional pressure and sandwich bodies with the pressure relief sandwich vertical stacking valves are suitable reducing cartridges size M18x1,5 according cartridge in the „P“ line have a G1/4“ tapping for machine tools, also for mobile equipment to Wandfl uh standard. The fl ange body and for a pressure gauge or similar device.

of all kinds. The mini-3 pressure relief valves sandwich plates are made of aluminium.

are recommended whenever hydraulic systems specify small valves at a low weight and size.

TYPE CODE

B

A 03 -

-

#

Pressure relief valveDirect operated SPilot operated

VSetting versions Key S Control knob D Lock K Cover AFlange design FSandwich design

SMounting interface acc. to Wandfl uh standard, NG3-Mini

Type list / function Flange design Sandwich design

P P P P A A B B A und B ABStandard nominal Pilot operated

direct operated pressure ranges p63 p pN= 63 bar N= 63 bar 63p

N= 160 bar 160 pN= 160 bar 160

N= 350 bar 350 pN= 315 bar 315Design-Index (Subject to change)

GENERAL CHARACTERISTICSHYDRAULIC CHARACTERISTICS

Denomination Pilot or direct operated pressure relief valve Hydraulic fl uid Mineral oils, other media on requestNominal size NG3-Mini acc. to Wandfl uh standardMax. permissible ISO 4406:1999, classe 18/16/13Construction Flange or sandwich constructioncontamination level (Rec. fi lter gauge ß 6...10≥75)Type of mounting 3 fi xing holes for socket head cap screws M4 see data sheet 1.0-50/2 or stud M4Viscosity range 12 mm2/s ... 320 mm2/sFastening torque MFluid temperature -20…+70 °C MD = 2,8 Nm (quality 8.8) for fi xing screwsPeak pressure: pThread- connection platesD = 30 Nm for screw-in cartridgeType of connections fl ow

max = 400 barMaximum volume rows of fl ange plates andpilot, direct op. conical spool Q horizontal stacking systemmax = 8 l/mindirect operated control spool QInstallation position anymax = 5 l/min

Ambient temperature -20…+50°CWeight • Flange design m = 0,13 kg(without screw-in- • Sandwich design P, A, B m = 0,15 kgcartridges) • Sandwich design AB m = 0,19 kg

Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com

Illustrations not obligatory

Data sheet no.Postfach

Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.1-600E 1/2CH-3714 Frutigen Edition 07 13

Pressure relief valvesREMARK!

Detailed performance data and additional hydraulic specifi cations may by drawn from the data sheets of the corresponding installed pressure relief cartridge.

SCREW-IN CARTRIDGES INSTALLED

The following screw-in cartridges are used in either the fl ange body or the sandwich body:

Type Designation BV.PM18 Pressure relief valve • pilot operated BS.PM18 Pressure relief valve • direct operated

Data sheet no.

2.1-510

CAUTION!

The performace data especially the „pressure-fl ow-cha-racteristic„ on the data sheets of the screw-in catridges refere to the screw-in cartridges only. The additional press-ure drop of the fl ange body respectivly sandwich body must be taken into consideration.

TYPES/DIMENSIONSFlange constructionB..FA03-P

2.1-520

Flange construction

3015201041PATToÆ 7,5Æ 4,2G1/4\"17,53017,5153015112130ToB82230356732Sandwich constructionB..SA03-P

Sandwich construction in P

PATB15G1/4\"B..SA03-A

488032Sandwich construction in A, B or AB

B..SA03-B

B..SA03-AB

2010PATToBB=67A=67AB=96PARTS LISTPosition10

Article128.3200128.3607 128.3606 128.3610128.3611593.…160.2045238.2406

DescriptionFlange body

Sandwich plate PSandwich plate ABSandwich plate ASandwich plate B

Pressure relief cartridge M18x1,5to data sheet 2.1-510 and 2.1-520O-ring ID 4,50x1,78Plug VSTI G1/4“-ED

(only for fl ange and sandwich plate P)

203041

∗ The exterior dimensions or the cartridges can be obtained from the

corresponding data sheets

Technical explanation see data sheet 1.0-100D

Wandfluh AG Postfach

CH-3714 Frutigen Tel. +41 33 672 72 72 Fax +41 33 672 72 12 E-mail: sales@wandfluh.com

Internet: www.wandfluh.com Illustrations not obligatory

Data subject to change Data sheet no.2.1-600E 2/2Edition 07 13