Stainless Steel Valves - Pumps, Valves, Piping and Fittings

Stainless steel valves are used in marine pump, seawater, ballast, cooling, fuel, fire-fighting, and process piping systems. Common constructions include ball, butterfly, gate, globe, check, diaphragm, and control valves, selected for corrosion resistance and pressure compatibility.

ProShipWorks provides end-to-end support to source and supply Stainless Steel Valves for marine vessels, ship operators, industrial facilities, maintenance teams and procurement departments.

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Product Information

Product Name Stainless Steel Valves
Product Category Pumps, Valves, Piping and Fittings
Product Reference 660
Brands / Manufacturers Alfa Laval, KITZ, Velan, Swagelok, GEMÜ
Unit of Measure Piece

Key Features

Key Feature
1.   Corrosion-resistant stainless steel construction
2.   Suitable for seawater and freshwater services when correctly specified
3.   Available in wafer, flanged, threaded, socket-weld, and butt-weld ends
4.   Manual, pneumatic, electric, or hydraulic actuation options
5.   Available in grades such as 316, 316L, duplex, and super duplex

Applications of Stainless Steel Valves

Application
1.  Seawater cooling, ballast, and fire-fighting systems
2.  Marine pumps, bilge, sanitary, and utility piping
3.  Fuel, lube-oil, process, and chemical service systems

Models & Manufacturers

Model Manufacturer
Unique 7000 Alfa Laval
Unique Mixproof Alfa Laval
10UTB Series KITZ
Stainless Steel Ball Valve Series Swagelok

Technical Specifications

Model Specification Value Unit
Typical stainless-steel marine valve Body material Stainless steel, commonly 316 or 316L —
Typical stainless-steel marine valve Alternative material Duplex or super duplex stainless steel —
Typical stainless-steel marine valve Connection types Flanged, wafer, threaded, socket-weld, or butt-weld —
Typical stainless-steel marine valve Pressure rating Manufacturer- and design-dependent; commonly PN10 to PN40 or ASME Class 150 to 300 —
Typical stainless-steel marine valve Temperature range Service- and seal-dependent; verify the maker's certified rating —

Standards, Certifications & Class Approval

Review the available standards and approval information relevant to the product. Actual certification, material traceability, inspection and classification requirements depend on the product type, intended application and purchasing specification.

Applicable Standards & Certification Applicable standards may include ASME B16.34, API 598, API 608, ISO 5208, EN 12266-1, ISO 5211, EN 1092-1, and relevant flange or piping standards. Exact compliance depends on valve type, size, pressure class, and manufacturer.
Class Approval Marine class approval is product- and service-specific. Applicable societies may include DNV, ABS, Lloyd's Register, Bureau Veritas, and ClassNK. Approval should be verified for the exact valve model, material, pressure rating, and intended shipboard service.

Installation, Maintenance & Safety Information

Installation Notes Verify valve material, pressure class, connection standard, flow direction, gasket compatibility, and actuator clearance before installation. Flush piping, align flanges without forcing the valve, and use approved fastener torque. Apply suitable anti-seize to compatible threaded connections.
Maintenance Tips Inspect for leakage, corrosion, packing deterioration, actuator problems, and difficult operation. Exercise manually operated valves periodically where permitted. Check bolts, flange joints, position indicators, and actuator limit settings during planned maintenance.
Safety Notes Isolate, depressurize, drain, and verify the line is safe before removal or servicing. Use suitable PPE for seawater, fuel, chemicals, and hot fluids. Do not exceed the valve pressure-temperature rating, and confirm material compatibility before use in corrosive or hazardous services.

Request a Quote for Stainless Steel Valves

Contact ProShipWorks for marine or industrial product sourcing, quotations and delivery.

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  • Required quantity
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