Manual Blind Valves
Yihe own blind-valve listing identifies manual operation and a DN2000 item. Confirm its actual design documents rather than treating general range statements as a completed isolation-system specification.
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D343X is the supplier listed butterfly reference, described with double-offset geometry. This is separate from its other manual and electric butterfly listings.
Provide the medium, isolation or control task, pipe interfaces, operating conditions and drive requirements. Request the selected disc, seat, body and operating arrangement with the installation dimensions for the intended system. Request the current catalogue or drawing for this item, and confirm the offered configuration and supporting documents with the company before specifying an order.