Throttle Valve | GF-V251

Throttle Valve | GF-V251

Throttle Valve  – Overview

This throttle valve is compact in design with robust construction. It has good control characteristics, ensuring high operational safety.  It has good chemical resistance thanks to highly resistant plastics (PVC, PP, PVDF). It requires virtually no maintenance and can be installed in any position. A spindle with a cone narrows the cross-section of the opening in the housing, thus restricting the volume flow to the desired value. The setting is made using a tool (screwdriver or flat material), having the added advantage that the set value cannot be changed unintentionally. Applications include chemical dosing and water treatment. Suitable for use in neutral or aggressive media with a small quantity of particles/solids. The chemical resistance depends on the selected valve material

Throttle Valve  – Features

  • Good chemical resistance (PVC, PP, PVDF)
  • Virtually no maintenance
  • Installed in any position
  • High operational safety
  • Compact and robust construction
  • Good control characteristics

Description

Throttle Valve | GF-V251

Specification
Dimensions
d16/DN10 – d63/DN50
Materials
PVC-U, PP, PVDF
Gasket materials
EPDM/FKM (PVDF: FKM)
Pressure level PN10
Setting range 100 – 20 000 l/h
Connections
Cement and fusion spigot
Assembly Unrestricted
Product standard EN ISO 21787
Test standard
ISO 9393-2, EN 12266-1

Dimensions
d (mm) DN (mm) L (mm) H (mm) h (mm) D (mm)
16 10 47 57 45 29
20 15 55 66 51 35
25 20 66 80 62.5 40
32 25 80 96 74.5 47
40 32 100 111 86 56
50 40 120 133 101 70
63 50 146 158 118 88

Throttle Valve | GF-V251

Brand

Georg Fischer

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