What is a storm valve on a ship?
A storm valve (often non-return / check style) prevents seawater ingress into overboard sanitary or gray-water lines in heavy seas.
RFQ-intent page · From live buyer enquiry language · Updated October 2026
Who manufactures marine storm valves and gray water valves for shipyard RFQs?
Supreme Valves India quotes marine storm valves and gray / sanitary water valves for vessel and shipyard packages. Material and class notes (bronze, NAB, SS, cast iron) follow the medium and yard specification. Class society stamping is quoted only when stated on the RFQ.
Typical RFQ specification
- Applications: storm valves, gray water / sanitary lines
- Materials: bronze, NAB, SS, CI per datasheet
- Connections: flanged or threaded per yard standard
- Optional: class society inspection when buyer specifies
Buyer FAQ
Do you supply to shipyards outside India?
Yes, subject to confirmed datasheet and packing for marine export.
Class approval required?
Confirm class society (ABS, DNV, LR, etc.) on the RFQ. Approval scope and fees are stated on quotation when requested.
Seawater NAB RFQ · NAB valves · Get quote
Pages are written from aggregated RFQ intent (valve type, size, class, material, application). Client names and private email content are not published.
Request quotation