What is a gear-operated wafer butterfly valve used for?
Large diameter isolation where torque exceeds lever operation. Wafer body fits between flanges; gear box allows manual operation of DN300+ valves.
RFQ-intent page · From live buyer enquiry language · Updated October 2026
Who manufactures DN500 gear-operated wafer butterfly valves and fire-safe butterfly valves in India?
Supreme Valves India supplies gear-operated wafer / lug butterfly valves for large-bore isolation (including DN500 / 16 inch class enquiries), plus fire-safe butterfly valve packages for firewater and process RFQs. Body/seat materials are confirmed against medium (SS, WCB, elastomer / metal seat).
Typical RFQ specification
- Type: wafer or lug butterfly valve, gear operated
- Size focus from recent RFQs: DN500 / 16 inch; also 6 inch export lots
- Options: fire-safe construction when specified (API 607 / project firewater notes)
- Applications seen: refinery fire protection, chemical lines, utility isolation
- Related package: butterfly + gate valve BOQ on same RFQ
Buyer FAQ
Can fire-safe butterfly valves be quoted with gate valves?
Yes. Many fire-protection RFQs request butterfly and gate together. Send both line lists for a package offer.
Export to Middle East for butterfly valves?
Yes. FOB Mundra / CIF GCC ports with MTC and test certificates.
Butterfly hub · API 607 fire safe · Get quote
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