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P. 1126
Throttle valve
Throttle valves Throttle valves
CHARACTERISTICS Oil viscosity υ = 30 mm /s Throttle valve
2
∆p = f (Q) Pressure drop/flow characteristics Screw-in cartridge M33x2
p [bar] • Q N max = 140 l/min ISO 7789
40 K4037 0,5 1 1,5 2 2,5 • Q = 140 l/min
3 • p max = 350 bar
30 3,5 max
4
20 4,5
DESCRIPTION FUNCTION APPLICATION
10 Manually adjustable, M33x2 screw-in cart- A fine tread on the adjustable throttle reveals Throttle valves can be used anywhere where
ridge throttle valve in accordance with cavity an annular gap. The adjusted throttle cross- volume flows can be infinitely controlled in both
0
0 10 20 30 40 50 60 70 80 Q [l/min] ISO 7789. The cartridge body made of steel is section produces a pressure drop which de- directions without taking pressure fluctuations
galvanized and therefore rust-protected. termines the volume flow. The volume flow is into account. Stepped tools are available for
zero when the throttle is screwed in (the metal making the receptacle bores in steel and alu-
sealing edge seals completely). The valve flow minium (hire or purchase). Please refer to the
DIMENSIONS is bidirectional. data sheets in register 2.13.
18 s4 Cavity drawing according to
ISO 7789–22–01–0–98
s17 M22x1,5 TYPE CODE
44 (48 max.) s24 (2) Throttle valve DN I PM33 - 140 #
83 (87 max.) M22x1.5 (1) (1) Screw-in cartridge M33x2 N 140 l/min
Type of adjustment
Ø28
Nominal volume flow rate Q
Design-Index (Subject to change)
39 (2) For detailed cavity drawing
and cavity tools see data
sheet 2.13-1008.
(1) ACCESSORIES
Line mount body Data sheet 2.9-205 GENERAL SPECIFICATIONS HYDRAULIC SPECIFICATIONS
Description Throttle valve Fluid Mineral oil, other fluid on request
Construction Screw-in cartridge for cavity Contamination efficiency ISO 4406:1999,
acc. to ISO 7789 class 20/18/14…21/19/15
Mounting Screw-in thread M33x2 Required filtration grade (ß 10…25 ≥ 75)
Ambient temperature -20…+50 °C (refer to data sheet 1.0-50/2)
Mounting position any Viscosity range 12mm /s…320mm /s
2
2
Fastening torque M = 80 Nm Fluid temperature -20…+70 °C
D
Weight m = 0,37 kg Peak pressure p max = 350 bar
Volume flow direction 1 ↔ 2 Nominal volume flow rates Q = 140 l/min
N
Q at 10 bar valve pressure loss
N
Max. volume flow Q max = 140 l/min
Leakage volume flow Almost leak free with closed restrictor
SYMBOL
MECHANICAL ACTUATION
1 2 Screw adjustment with fork wrench and Allen key
Control storke S b = 4,5 mm
Control angle α = 1620° / 4,5 turns
b
s 4
Technical explanation see data sheet 1.0-100
Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no. Wandfluh AG Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
s 19
Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.4-532E 2/2 Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.4-552E 1/2
CH-3714 Frutigen Edition 21 40 (max. 45) CH-3714 Frutigen Edition 11 26
Page 1126 s 30
38.75
88.8 M33 x 2
50.05
Ø 39
