A stainless steel angle seat valve is a two-way, angle-pattern valve, usually air-actuated by a piston, used to start, stop or divert seawater, brine and treatment chemicals in a desalination plant. Choose it by matching port size and flow coefficient (Cv) to the pipeline, picking 304 or 316 stainless for chloride-rich media, and confirming seal material, working pressure and coil voltage for the exact model.
Direct Answer
A stainless angle seat valve controls seawater, brine and chemicals in desalination lines; specify by port and Cv, choose 304 or 316 stainless, and confirm seal, pressure and voltage.
Why Stainless Steel Angle Seat Valves in Desalination?
Chloride-rich media corrode carbon steel and brass; stainless resists pitting and cleans easily, with low pressure drop and compact angle pattern.
Buyer Checklist
Confirm body material, port and Cv, seal, actuator type, working pressure, coil voltage and end connection against the plant duty.
Selecting Stainless Grade and Actuator
316/316L for seawater and brine; 304 for lower chloride. Single-acting for fail-safe, double-acting to hold position; confirm ratings by model.
Validating a Supplier for Desalination Duty
Request material certificate, pressure/temperature table and drawing; provide medium, temperature, pressure and voltage; confirm MOQ and lead time.
Frequently Asked Questions
- FAQ What is the minimum order quantity (MOQ)?
MOQ is supplier-specific and varies by model, port size and material. Confirm MOQ with the supplier for the exact valve you plan to order. - FAQ How long is the lead time?
Lead time depends on stock, port size, material and actuator configuration. Ask the supplier to confirm a window for your specific model. - FAQ What details should I send to confirm the model?
Send the medium, operating temperature and pressure, port and end connection, control air pressure and coil voltage, plus a drawing or photo if replacing one. - FAQ Can I get a sample before ordering?
Many suppliers offer samples or prototypes. Confirm availability, cost and lead time directly with the supplier for your configuration. - FAQ Do you provide material certificates and drawings?
Request material certificates and dimensional drawings by model to verify compliance for the specific valve.
Need a quotation?
Send the page link, quantity, drawings and working conditions to Kailing for review.