Marine Suction Valves

Marine Suction Valves | Cast Steel & Bronze Suction Sea Valves for Marine Fluid Systems

Product Overview
Marine Suction Valves are essential flow control components designed for fluid handling systems in marine and industrial applications. These specialized valves regulate fluid flow in suction lines, preventing backflow and ensuring efficient operation of pumps and processing equipment. Available in cast steel and bronze constructions, our suction valves meet GB/T standards (GB/T 2029-80, GB/T 2030-80, GB/T 11691-1989, GB/T 11692-1989) and are engineered for reliability in seawater, fuel, and oil applications.

Key Features & Benefits

✅ Multiple Standard Compliance: GB/T 2029-80, 2030-80, 11691-1989, 11692-1989
✅ Material Options: Bronze for superior corrosion resistance, cast steel for high strength
✅ Backflow Prevention: Ensures unidirectional flow in suction lines
✅ Marine-Grade Construction: Suitable for seawater, fuel, and oil applications
✅ Custom Configuration: Optimal material selection for specific service conditions
✅ Global Certification Ready: Suitable for international classification society approvals

Available Models

GB/T 2029-80 Marine Cast Steel Suction Sea Valve
GB/T 2030-80 Marine Bronze Suction Sea Valve
GB/T 11691-1989 Cast Steel Suction Sea Valve
GB/T 11692-1989 Bronze Suction Sea Valve

Material Selection Guide

Valve Body:

Bronze: Excellent seawater corrosion resistance; slightly higher cost
Cast Steel: High mechanical strength, heat/corrosion resistance; moderate cost
Cast Iron: Economical option; not recommended for corrosive services

Spool:

Bronze: Superior low-temperature performance and seawater corrosion resistance
Stainless Steel: Excellent tensile strength, wear resistance, and high-temperature capability

Valve Stem:

Stainless Steel 304: Good acid/alkali resistance, high-temperature capability, cost-effective
Stainless Steel 316: Enhanced corrosion and acid resistance compared to 304

Valve Cover: