3800U / BUTTERFLY VALVE U TYPE

PRODUCTION STANDARDS
DN40 → DN2000 PN 10-16
Design	EN 593
Connection	EN 1092-2 ISO 7005-2 Flanged
End Connection	EN 558 Series 20
Marking	EN 19
Tests	EN 12266-1
Corrosion Protection	Electrostatic Powder Epoxy WRAS Approved (Optional)

Features

PTFE bushing ensure the maximum shaft support.
360° polished disc assures positive on-off.
Hard-backed cartridge seat.
Univeral ISO5211 mounting pad.
Flow curve tending to straight line. Excellent regulation performance.
Bubble-tight sealing with no leakage under pressure test.
Wide selection of materials, applicable for various mediums.
Higher thicknesses are available upon request.
Stem sealing is not easy deformation, so avoids leakage phenomenon.
Overall support is good, stable and solid.
Use less rubber of seat, so expansion has small impaction and easy to control torque value at an appropriate range.
Applying to two pieces of no-sells connection; structure is simple and convenient to be maintained.
Butterfly disc owns automatic alignment function and achieved small combination of disc and seat.
Phenolic back seat is featured such as no loss, tensile, anti-leak, convenient replacement etc.
For seat sealing surface and phenolic back as whole as a whole, it can reduce amount of deformation.
Long service life.

Temperature

Scope of Application