Triple Offset JIS 20K double flange butterfly valve can be used as metal seated or elastic valve seat. The main body is carbon steel or stainless steel. The valve core and stem can be produced according to customer requirements. Worm-gear, pneumatic and electric operating arrangements are described for this valve; confirm the selected assembly before ordering.
Frequently Asked Questions
Can I use this JIS 20K valve with the flanges already installed?
Provide the actual mating flange dimensions, facing and piping specification. Confirm the selected valve size, drilling and face-to-face length against the approved drawing before assuming the connections will match.
Should I request a metal or elastic seat for this valve?
The page describes both alternatives. Specify the medium, pressure-temperature conditions and shutoff requirements and ask for confirmation of the exact seat and trim arrangement for the ordered JIS 20K configuration.
Can this valve be supplied with pneumatic or electric operation?
The page lists these alternatives to worm-gear operation. Provide the required duty, available utilities and control requirements and request confirmation of the selected actuator and mounting arrangement.