The Vatac Wafer Eccentric Butterfly
Valves are designed and manufactured to API 509, with Eccentric structure, Center of the valve stem deviate form Disc Center to
avoid the extrusion between disc
and seat, then Extend the service life of the valve.
Vatac Wafer Eccentric Butterfly Valve s are with main
Features as below:
» Lockable Lever
» Site maintanence
» Ease of automation
» Positive tight shut-off
» Optional top flanges to ISO 5211
» Qualified for both gaseous and liquid services
» Broad line of body and trim materials for a variety of
medium service.
» ISO 5752, BS 5155, API 609, MSS-SP-68, ASME B16.10, ASME
B16.5, DIN 3202
» Materials: Cast Carbon Steel, Low Temp. Carbon Steel,
Satinless Steel, Alloy Steel, duplex steel and ect.
» Temperture: -20 Deg. C to 150 Deg.C
» Pressure Ratings: ANSI 150#~600, PN10~PN100
» Size Ranges: 2" to
48"-50mm to 1200mm (Larger sizes upon request)
» Soft Seat: NBR, EPDM, VITON, PTFE
» Ends Connections: Wafer, Lugged, Double Flanged, Butt Weld
or Grooved
» Actuations: Manual, Pneumatic, Electric, Hydraulic
(Counterweight) & Electro-hydraulic