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HK V257 5

Flow control check valve
Max. working pressure
up to 400 bar 
Design
steel version with precision valve spindle 
suitable for control panel installation 
Customs tariff number
84812010 
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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 one flow direction, free flow in the opposite direction.
Metallic seal without leakage, linear opening cross-section.
Precise throttling over a wide flow rate range.
Opening pressure of the check valve 0.5 bar.
Setting is as for the throttle valve.
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)
Pressure (bar)
Thread
A (mm)
Details / items
8 l/min
400 bar
G 1/8″ -28 
50 mm
Learn more
14 l/min
400 bar
G 1/4″ -19 
66 mm
Learn more
38 l/min
400 bar
G 3/8″ -19 
79 mm
Learn more
50 l/min
400 bar
G 1/2″ -14 
95 mm
Learn more
80 l/min
400 bar
G 3/4″ -14 
115 mm
Learn more
190 l/min
320 bar
G 1″ -11 
139 mm
Learn more
200 l/min
320 bar
G 1.1/4″ -11 
157 mm
Learn more
350 l/min
320 bar
G 1.1/2″ -11 
190 mm
Learn more
450 l/min
320 bar
G 2″ -11 
228 mm
Learn more
Values for max. flow at Δp = 20 bar.

Column selection

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