Page 892 - Softbound_Edition_19_en

Pressure reducing valves

Pressure reducing valve
Screw-in cartridge M16x1,5
• Direct operated
• Q max = 26 6 l/min Wandfluh standard
• p max = 210 bar (350 bar)
• p = 50 bar
N red max 20 72.9
DESCRIPTION FUNCTION APPLICATION
Direct operated pressure reducing valve as a The pressure reducing valve controls the Pressure reducing valves are used to keep
screw-in cartridge with a thread M16x1,5. The pressure in port A (1). By increasing the spring the pressure in the consumer constant inde-
valve reduces the inlet pressure to an adju- tension, the pressure in port A (1) increases. pendent of pressure fluctuations on the supply
stable outlet pressure. The integrated pressure The valve works practically independent of the side. In the case of several consumers, the
s30
40
30
relief function prevents the reduced pressure, s24 pressure in port P (2). A pressure increase in pressure of the individual consumers can be
M16
a result of external pressures, from being ex- port A (1) above the adjusted pressure, e.g. by adjusted individually by the pressure reducing
s13
ceeded. The valve is available with 2 types of an active oil consumer, is prevented by reliefing valve. By the integrated pressure relief, an ad-
(3)
(2)
adjustment. For the key adjustment, in addition excess oil to tank T (3). ditional pressure relief valve is not necessary in
Ø 17
a cover is available, see data sheet 2.0-50. The (1) the consumer line. Installaltion of the screw-in
s4
special surface treatment protects the external cartridge in control blocks.
parts against corrosion and improves the slide
properties of the control spool. The housing is 50 60 65
made of stainless steel. 65.4 27.1
92.5
TYPE CODE
M D PM16 - - #
Pressure reducing valve
Direct operated
Type of adjustment Key S A (1)
Turning knob D
Cover A (see data sheet 2.0-50)
Screw-in cartridge M16x1,5
Nominal pressure range p N red 18 bar 18
32 bar 32
50 bar 50 P (2) T (3)
26
Sealing material NBR
FKM (Viton) D1
System pressure max. 210 bar
20 72.9 System pressure max. 350 bar Z406
Design-Index (Subject to change)

GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Description Direct operated pressure reducing valve Fluid Mineral oil, other fluid on request
30 40 s30 Construction Screw-in cartridge for cavity Contamination efficiency ISO 4406: 1999, class 18/16/13
s24 according to Wandfluh standard (Required filtration grade ß 6…10≥75)
s13 M16 Mounting Screw thread M16x1,5 refer to data sheet 1.0-50/2
(3) (2) Ambient temperature -25…+70°C Viscosity range 12 mm /s…320 mm /s
2
2
(1)
Ø 17 Mounting position any Fluid temperature -25…+70 °C
M = 30 Nm
Fastening torque
Peak pressure
p
= 210 bar
s4 D max
Weight: m = 0,11 kg (Key) Minimum adjustable pressure < 0,5 bar
m = 0,12 kg (Control knob) Nominal pressure range p N red = 18 bar, 32 bar, 50 bar
50 60 65 Volume flow range Q = 0…6 l/min
65.4 27.1 Leakage volume flow 18/32 bar version
p = 210 bar p = 0 bar: < 10 ml / min.
92.5 sys red
p = 25 bar: < 50 ml / min.
red
50 bar version
p = 0 bar: < 10 ml / min.
red
p = 40 bar: < 40 ml / min.
red
SYMBOL ACTUATION
Mechanical types of actuation in 2 different executions:
A (1) S = Key adjustment with fork wrench and Allen key
D = Control knob adjustment, lockable
Actuation stroke S = 5,25 mm
b
Actuation angle α = 1890° (5,25 revolutions)
b
P (2) T (3)
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 2.2-508E 1/2
CH-3714 Frutigen Edition 16 18