The unique design, a quadruple (four offset) design and a new manufacturing technology, Quadax® meets the highest tightness requirements, even under extreme temperature conditions, ranging from -270 °C to +800 °C.
4-offset butterfly valves have as good precision control ability as a globe valve...
» Zero leakage in cryogenic applications
» Highest quality of the seat and sealing surface due to patented quadruple (four offset) design
» Dead leg area minimized, higher Kv-value possible, less dirt collection
» Brand new disc design with lowest shaft deflection even at highest pressures
» Tight in both directions up to full pressure
» All metal design available, with no graphite oxygen approved up to 300 bar (4351 psi) and 550°C
» Floating disc design for highest temperature differences
» Good regulation performance, linear characteristic between 20° and 80° of opening
Technical Specifications:
» Available up to 160 bar (2320 psi) and above
» Available up to 1000 mm and above
» Temperature range -270°C to +800°C
» Fire safe in both directions
» Carbon steel, stainless steel, special materials (duplex, inconel, bronze)
» Leak rate: 1 DIN 3230, A DIN EN 12266, BS 6364, Fire safe. API 598, ANSI FCI 70-2 Class VI