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HK V257 2-3/4

Throttle valve IGR3/4" 400bar
Flow max.
80 l/min
Thread
G 3/4″ 
Pressure
400 bar
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Product details for

HK V257 2-3/4

Flow max.
80 l/min
Thread
G 3/4″
Pressure
400 bar
A
86 mm
B
132 mm
C
40 mm
D
26.5 mm
All characteristics

Characteristics

Max. working pressure
  • up to 400 bar 
Design
  • steel version with precision valve spindle 
  • suitable for control panel installation 
Customs tariff number
  • 84812010 

Product description

Notes
These valves must be set according to the application.
Description
Precise volumetric flow control or barring in both directions.
Metallic seal without leakage, linear opening cross-section.
Precise throttling over a wide flow rate range.
The setting is made via a decimal scale from 0 - 9 on the underside of the setting knob and a reference scale A to C from 0 to 4 on the valve shaft for exactly reproducible settings.
The hexagon socket screw in the setting knob serves for locking.
An additional lock nut is available for control panel installation.

Product variants

9 Results
Show dimensional drawing
Identifier
Flow max. (l/min)
Thread
Pressure (bar)
A (mm)
Price / items
190 l/min
G 1″ -11 
320 bar
105 mm
200 l/min
G 1.1/4″ -11 
320 bar
120 mm
350 l/min
G 1.1/2″ -11 
320 bar
134 mm
450 l/min
G 2″ -11 
320 bar
150 mm
Values for max. flow at Δp = 20 bar.

Column selection

Flow max. (l/min)
Thread
Pressure (bar)
A (mm)
B (mm)
C (mm)
D (mm)
Values for max. flow at Δp = 20 bar.