Vexve butterfly valves
Available in sizes from DN 300 to DN 1600
Shut-off butterfly valves
DN 300–1400
Control and shut-off butterfly valves
DN 300–1200
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Butterfly valve features
Optimal flow properties for all most demanding applications
- disc and stem structure minimizes flow resistance and turbulence
- strong two-piece stem structure maximizes flow capacity
- full-bore structure in size classes DN 300–800
- particularly high Kv value in DN 900 to 1600 reduced bore butterfly valves
- high Kv value reduces pumping costs
All metal seat construction
- metal seals extend the lifetime of the butterfly valve
- suitable for many different applications and withstands varying water quality
- total tightness in both flow directions
- practically maintenance-free
Triple offset geometry design
- minimizes the friction between the disc and seat ring during operation
- prevents wear and ensures long service life of the valve
Butterfly valve main characteristics
Applications
district heating networks
district cooling networks
Available
as shut-off butterfly valve or control and shut-off butterfly valve
in sizes from DN 300 to DN 1600
with full bore or reduced bore
in pressure class PN25 (body)
in trim classes Δp=16 bar or Δp=25 bar
with tightness class A or B (EN12266-1)
for a temperature range of −40°C to 200°C (250°C)
with weld connections EN (DIN) together with GOST standards (recommended)
also with flanged connections
with manual gear, electric or hydraulic actuator
Characteristics
fully welded construction
manufactured using high quality materials and components
light weight, space saving design
easy-to-insulate
easy-to-install and operate
maintenance-free
metal seated
stainless steel disc+ special alloy chrome plated seat
triple offset geometry
total tightness in both flow directions
non-jamming seat construction
seat design for large temperature ranges
high Kv value
designed according to EN488
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