Page 1118 - Softbound_Edition_19_en

Throttle valve

Throttle cartridge stainless
◆ Q = 25 l/min M18 x 1,5
max
◆ Q N max = 25 l/min ISO 7789
◆ p = 350 bar
max

DESCRIPTION APPLICATION
Mecanically adjustable throttle valve in screw-in cartridge const- Throttle valves are used where volume flows have to be controlled
ruction for cavity according to ISO 7789. The throttle spindle which continuously in both flow directions without taking into account
can be adjusted via a fine thread releases a ring gap or a triangular pressure fluctuations. The screw-in cartridge is perfectly suitable
notch for the volume flow entering the port 1 or 2. The adjusted for installation in control blocks and is installed in sandwich plates
throttle cross section generates a pressure drop which determines (vertical stacked systems, corresponding data sheets in this regis-
the volume flow. When screwed in, the throttle closes practically ter). For machining the cartridge cavity in steel and aluminum
leakage-free. The oil flow is possible in both directions. The stain- blocks, cavity tools are available (hire or purchase). Please refer to

less execution is especially suitable for the use in wet and salty the data sheets in register 2.13.

environment.

SYMBOL ACTUATION
Actuation Adjustment spindle M10 x 1
2 Execution S = blockable key adjustment
D = blockable knob adjustment
Optionally:
G = star handle adjustment
1 Actuation angle a = 1620 ° (4,5 rotations)
b
Actuation stroke S = 4,5 mm
b
TYPE CODE

DN PM18 - - K9 #
Throttle valve
Type of adjustment Key S
Control knob D
Cover A
Screw-in cartridge M18 x 1,5

Nominal volume flow rate Q N 0,32 l/min 0,32
3,2 l/min 3,2
25 l/min 25

Sealing material NBR
FKM (Viton) D1
NBR 872 Z604

Stainless
Design index (subject to change)
2.4-510

www.wandfluh.com Illustrations are not binding Data subject to change 1/4 Edition: 19 39 2.4-510S E