What material is used for seawater threaded valves?
Nickel aluminium bronze (NAB) and selected bronzes are common for seawater corrosion resistance. Confirm chloride level and velocity on the RFQ.
RFQ-intent page · From live buyer enquiry language · Updated October 2026
Who supplies seawater duty NAB / bronze threaded valves and CuNi pressure safety valves?
Supreme Valves India manufactures and quotes nickel aluminium bronze (NAB), gunmetal/bronze, and CuNi seawater-service valves for marine, offshore, desalination and firewater RFQs — including threaded small-bore valves and pressure safety valves when specified for seawater.
Typical RFQ specification
- Materials: NiAlBr (NAB), bronze / gunmetal, CuNi (on PSV / specialty RFQs)
- Service: seawater, marine gray water / storm valves, firewater
- Connections: threaded BSP/NPT or flanged per datasheet
- Related: storm / gray water marine valves, camlock marine couplings
- Docs: MTC, hydro test; marine project docs on request
Buyer FAQ
Do you quote CuNi pressure safety valves for seawater?
CuNi / seawater PSV enquiries are reviewed case by case against set pressure, size, and code (API 526). Send set pressure, orifice, and medium.
Marine storm / gray water valves?
Marine sanitary and gray-water storm valve RFQs are accepted with ship/yard reference and class notes if any.
NAB valves · PSV manufacturer · 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