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HK V257 5

Flow control check valve

Flow control check valve

MAS_V257_5

The product image may differ

MAS_V257_5 MAS_V257_5
MAS_V257_5 MAS_V257_5 MAS_V257_5
Max. working pressure
up to 400 bar 
Design
Needle valve with precision valve spindle 
Material
steel 
Download PDF

Please choose a variant

Show table of articles

Article

HK V257 5-1/8 HK V257 5-1/4 HK V257 5-3/8 HK V257 5-1/2 HK V257 5-3/4 HK V257 5-1 HK V257 5-11/4 HK V257 5-11/2 HK V257 5-2
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Characteristics

Max. working pressure
  • up to 400 bar 
Design
  • Needle valve with precision valve spindle 
Material
  • steel 
Suitable for
  • Panel mounting 
Surface
  • schwarz passiviert 
Customs tariff number
  • 84812010 
All characteristics

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
Search
Show dimensional drawing
Identifier
Flow max. (l/min)
Pressure (bar)
Thread
A (mm)
HK V257 5-1/8
8 l/min
400 bar
G 1/8″ -28 
50 mm
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HK V257 5-1/4
14 l/min
400 bar
G 1/4″ -19 
66 mm
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HK V257 5-3/8
38 l/min
400 bar
G 3/8″ -19 
79 mm
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HK V257 5-1/2
50 l/min
400 bar
G 1/2″ -14 
95 mm
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HK V257 5-3/4
80 l/min
400 bar
G 3/4″ -14 
115 mm
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HK V257 5-1
190 l/min
320 bar
G 1″ -11 
139 mm
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HK V257 5-11/4
200 l/min
320 bar
G 1.1/4″ -11 
157 mm
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HK V257 5-11/2
350 l/min
320 bar
G 1.1/2″ -11 
190 mm
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HK V257 5-2
450 l/min
320 bar
G 2″ -11 
228 mm
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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.

Parts and Accessories

Accessories

MAS_HK_KM_202

HK KM 202

9 Variants

Counter nut

Use

for control panel installation of valves HK V2 572 and HK V2 575

Customs tariff number

84812010