Page 819 - Softbound_Edition_19_en
P. 819
Pressure relief valve
Pressure relief valve Pressure relief valve
GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS DIMENSIONS
Designation Pressure relief valve Key adjustment «S» Control knob adjustment «D»
Construction Pilot operated Working pressure p = 400 bar 17 27
max
= 210 bar
Mounting Screw-in cartridge construction Tank pressure p p = 63; 160; 350 bar s4
T max
Nominal pressure
Nominal size M22 x 1,5 according to ISO 7789 range N
Actuation Manually Minimum pressure See characteristics 30
Ambient temperature -25…+90 °C Volume flow range Q = 0,2…100 l/min 40
Weight 0,17 kg key adjustment Leakage oil See characteristics s13 20
0,26 kg control knob adjustment 47.9
0,21 kg cover Fluid Mineral oil, other fluid on request 40.4
2
2
MTTFd 150 years Viscosity range 12 mm /s…320 mm /s s27
Temperature range -25…+90 °C (NBR) 86.7
fluid -20…+90 °C (FKM) 79.2 Ø30
Contamination Class 18 / 16 / 13 M22x1.5
efficiency 50
Filtration Required filtration grade ß 6…10 ≥ 75, 38.8 Star handle «G»
see data sheet 1.0-50 2(T)
PERFORMANCE SPECIFICATIONS 60 40
Oil viscosity u = 30 mm /s
2
p = f (Q) Pressure volume flow characteristics p = f (Q) Pressure volume flow characteristics 1(P) 70
Maximal adjustable pressure Minimal adjustable pressure
p [bar] p [bar] Cover «A»
400 K0669 P N = 350 bar 40 K0670 23
P N = 160/350 bar 55.9 26
300 30
200 P N = 160 bar 20 P N = 63 bar
100 P N = 63 bar 10 94.7
0 0 25
0 25 50 75 100 Q [l/min] 0 25 50 75 100 Q [l/min] 48
p = f (n) Pressure adjustment characteristics Q = f (p) Leakage volume flow characteristics
L
Measured at Q = 5 l/min P (1) → T (2) 86.8 ACCESSORIES
p [bar] Q [cm /min] Types of adjustment for screw-in Data sheet 2.0-50
3
400 K0113 200 K0114 cartridges
P N = 350 bar
300 150 Technical explanations Data sheet 1.0-100
Filtration Data sheet 1.0-50
200 100
P N = 160 bar HYDRAULIC CONNECTION PARTS LIST
100 P N = 63 bar 50 Cavity drawing according to ISO 7789–22–02–0–98
0 0 Position Article Description
0 1 2 3 4 5 n [-] 0 50 100 150 200 250 300 350 p [bar] M22x1.5 20 114.2228 Control knob K9
25 032.0616 Cover rd 23 / 3 x 35 K9
26 082.2004 Star handle rd 40 x 26
SEALING MATERIAL SURFACE TREATMENT (2) 30 193.1062 Retainer rd 6 DIN 6799
NBR or FKM (Viton) as standard, choice in the type code ◆ The cartridge body and the control knob are made of stainless 40 154.7407 Hexagon nut M8 x 1 x 4
steel (1) 50 160.2188 O-ring ID 18,77 x 1,78 (NBR)
160.6188 O-ring ID 18,77 x 1,78 (FKM)
STANDARDS INSTALLATION NOTES (1) 60 160.2140 O-ring ID 14,00 x 1,78 (NBR)
160.6141 O-ring ID 14,00 x 1,78 (FKM)
Cartridge cavity ISO 7789 Mounting type Screw-in cartridge M22 x 1,5 70 049.8177 Back-up ring PTSM rd 12,4 x 15,3 x 1,4
Contamination ISO 4406 Mounting position Any, preferably horizontal Note! For detailed cavity drawing and cavity tools see data
efficiency Tightening torque M = 60 Nm Screw-in cartridge sheet 2.13-1003
D
Wandfluh AG Postfach CH-3714 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 2/3 Edition: 19 05 2.1-530S E www.wandfluh.com Illustrations are not binding Data subject to change 3/3 Edition: 19 05 2.1-530S E
Page 819
