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20060808<br />
<strong>Butterfly</strong> <strong>valves</strong><br />
Econosto has a wide range of butterfly <strong>valves</strong> for various applications in its program.<br />
The compact construction of butterfly <strong>valves</strong> makes them lightweight, and the streamlined shape of the butterfly<br />
gives them a large capacity. Moreover, the standard fittings can be fitted with controls and/or<br />
accessories to match your specification, in our well-equipped workshop. Because of the limited number of parts,<br />
butterfly <strong>valves</strong> are maintenance-friendly and easy to use.<br />
Top flange<br />
as per ISO 5211, suitable for<br />
easy installation of various<br />
manual controls and actuators<br />
Body<br />
illustrated here as ring type.<br />
The Econosto butterfly valve range<br />
also includes a mono-flange, lug type<br />
and double-flange execution.<br />
The body is available in various qualities.<br />
<strong>Butterfly</strong><br />
illustrated here as a centric disc.<br />
The Econosto also includes options<br />
with excentric and double excentric<br />
discs.<br />
Available in various materials.<br />
Shaft<br />
fitted with square cap for easy<br />
actuator installation<br />
Bearing bush<br />
reduces the actuation torque<br />
and insulates the shaft from<br />
the body<br />
Disc/shaft connection<br />
depends on materials<br />
and execution<br />
Lining<br />
the bonded liner forms one complete whole<br />
Bearing bush<br />
with the body, so preventing excessive distortion.<br />
reduces the actuation torque and<br />
The lining continues unbroken over the flange sealing<br />
insulates the shaft from the body<br />
faces and is also fully enclosed.<br />
This avoids the need to use flange gaskets.<br />
The vulcanisation principle enables excellent size tolerances with a resulting actuating torque.<br />
The Econosto butterfly <strong>valves</strong> are with bonded liner with various qualities of rubber.<br />
The Econosto programme also includes rubber-lined butterfly <strong>valves</strong> with a replaceable (non) liner,<br />
PTFE-lined and High-Performance butterfly <strong>valves</strong> with PTFE or metal seal.<br />
Bonded<br />
liner<br />
Replaceable<br />
liner<br />
PTFE<br />
liner<br />
Non replaceable<br />
liner<br />
High<br />
Performance<br />
E5 • Valves AN-002 page 2
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