Page 1122 - Softbound_Edition_19_en

Drosselventil
Throttle valve Throttle valves

ACCESSORIES SURFACE TREATMENT Throttle valve
Types of adjustment for screw-in Data sheet 2.0-50 ◆ The cartridge body and the control knob are made of stainless Screw-in cartridge M18x1,5
cartridges steel • Q N max = 30 l/min ISO 7789
Technical explanations Data sheet 1.0-100 • Q max = 40 l/min
Filtration Data sheet 1.0-50 • p max = 350 bar

SEALING MATERIAL STANDARDS DESCRIPTION FUNCTION APPLICATION
NBR or FKM (Viton) as standard, choice in the type code Cartridge cavity ISO 7789 Manually adjustable, M18x1,5 screw-in cart- A fine tread on the adjustable throttle reveals Throttle valves can be used anywhere where
Contamination ISO 4406 ridge throttle valve in accordance with cavity an annular gap. The adjusted throttle cross- volume flows can be infinitely controlled in both
section produces a pressure drop which de-
directions without taking pressure fluctuations
ISO 7789. The cartridge body made of steel is
efficiency 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
INSTALLATION NOTES is bidirectional. data sheets in register 2.13.
Mounting type Screw-in cartridge M18 x 1,5
Mounting position Any, preferably horizontal
Tightening torque M = 40 Nm Screw-in cartridge
D

TYPE CODE
DN I PM18 - 30 #

Throttle valve
Type of adjustment
Screw-in cartridge M18x1,5
Nominal volume flow rate Q N 30 l/min
Design-Index (Subject to change)

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 M18x1,5 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 = 30 Nm Fluid temperature -20…+70 °C
D
Weight m = 0,11 kg Peak pressure p max = 350 bar
Volume flow direction 1 ↔ 2 Nominal volume flow rates Q = 30 l/min
N
Q at 10 bar valve pressure loss
N
Max. volume flow Q max = 40 l/min
Leakage volume flow Almost leak free with closed restrictor

SYMBOL MECHANICAL ACTUATION
Screw adjustment with fork wrench and Allen key
Control storke S = 4,5 mm
1 2 Control angle α b b = 1620° / 4,5 turns

Wandfluh AG Postfach CH-3714 Frutigen
Tel. +41 33 672 72 72 Fax +41 33 672 72 12 sales@wandfluh.com s 4
Wandfluh AG Ø 17 Tel. +41 33 672 72 72 E-mail: sales@wandfluh.com Illustrations not obligatory Data sheet no.
www.wandfluh.com Abbildung unverbindlich Änderungen vorbehalten 4/4 Ausgabe: 19 39 2.4-510S D Postfach Fax +41 33 672 72 12 Internet: www.wandfluh.com Data subject to change 2.4-512E 1/2
CH-3714 Frutigen Edition 11 26
Page 1122 s 17
(max. 47 .5) s 19

43
72
M18 x 1,5
29

Ø 22.6