Duplex Stainless Steel Angle Valve Body
- Superior corrosion resistance: Duplex stainless steel alloys provide exceptional corrosion resistance in challenging conditions, such as those found in the petroleum, chemical, and marine sectors.
- Nickel-saving material: Duplex stainless steel reduces nickel content while maintaining performance, offering a cost-effective alternative to traditional stainless steel.
- Weldability: Exceptional welding performance allows for easy assembly and maintenance of pump systems.
- Wide dimensional flexibility: Available in various sizes, with maximum dimensions up to 1500 x 1500 x 1500 mm, suitable for both small and large parts.
Technical Specifications
| Item | Details |
| Product Name | Duplex Stainless Steel Angle Valve Body |
| Materials | Duplex stainless steel (S31803 SAF2205, S32750 SAF2507) |
| Casting Process | Sand casting, precision casting |
| Weight Range | 0.001 kg to 99 kg (investment casting); 0.5 kg to 500 kg (sand casting) |
| Maximum Dimensions | 1500 × 1500 × 1500 mm |
| Wall Thickness | Minimum 0.5 mm |
| Surface Finish | Ra1.6-3.2 (standard roughness), finish machining tolerance of ±0.009 mm |
| Corrosion Resistance | Outstanding resistance to harsh conditions, perfect for the petrochemical, chemical, and marine sectors |
| Mechanical Properties | High strength, enhanced toughness, and ductility with no room-temperature brittleness |
| Welding Capability | Excellent weldability for easy assembly and repair |
| Standards | EN, BS, AISI, ASTM, JIS, ASTM A351, ASTM A995 |
| Supply Capacity | 100–150 tons per month |
| Delivery Time | 45 days (standard lead time) |
Duplex Stainless Steel Chemical Composition
| TYPE | C≤ | Mn≤ | Si≤ | S≤ | P≤ | Cr | Ni | Mo | Cu≤ | N |
| S32750 (SAF2507) | 0.03 | 1.2 | 0.8 | 0.02 | 0.035 | 24.0/26.0 | 6.0/8.0 | 3.0/5.0 | 0.5 | 0.24/0.32 |
| S31803 (SAF2205) | 0.03 | 2 | 1 | 0.02 | 0.03 | 21.0/23.0 | 4.50/6.50 | 2.50/3.50 | – | 0.08/0.20 |
| S31500 (3RE60) | 0.03 | 1.2/2.0 | 1.4/2.0 | 0.03 | 0.03 | 18.0/19.0 | 4.25/5.25 | 2.50/2.00 | – | 0.05/0.10 |
Applications
- Marine industry: Corrosion-resistant pump housings and valves for offshore oil rigs, ships, and water treatment systems.
- Petroleum refining: Pump casings and valve bodies for use in oil extraction, processing, and transportation systems.
- Chemical industry: Durable and corrosion-resistant components for chemical reactors, pumps, and pipelines.
- Heat exchangers: High-performance casings and housings for industrial heat exchanger systems.
- Cold storage and refrigeration systems: Parts for refrigeration and air conditioning systems operating in extreme environments.
- Oil pump manufacturing: Cast housings and components for pumps used in automotive, industrial, and marine applications.
- Transmission machinery: Critical pump and gearbox housings used in heavy-duty transmission systems.
- Construction and power generation: Cast housings for pumps, turbines, and other machinery used in power plants and industrial construction.
Production Process
Our precision casting production process integrates wax modeling, automated shell making, controlled pouring, heat treatment, and machining to ensure dimensional accuracy, integrity, and quality.
Wax Injection
Shell Making
Shell Baking
Pouring
Shot Blasting
Heat Treatment
Machining
Inspection
Advanced Workshop
Advanced workshops include wax model production, CNC robotic shell making, semi-automatic pouring, baking furnaces, and machining centers supporting automation, efficiency, flexibility, and operations.
Medium Temperature Wax Workshop
Low Temperature Wax Workshop
9-axles CNC Shell-making Robot Arm Workshop
Semi-auto Pouring Machine
Baking Furnace
Horizontal CNC Machining Center
New Shell Making Automation Line
New shell making automation line optimizes reduction processes, improves production efficiency, ensures reliable equipment operation, extends running time, and significantly reduces labor intensity overall.
Shell Making Automation Line No. 01 – Small & Medium Parts
Automated shell making line for small and medium castings improves shell uniformity, reduces manual intervention, and enhances production stability and efficiency.
Shell Making Automation Line No. 02 – Large Parts
Specialized automation line supports large investment castings, handling complex geometries and higher weights while maintaining shell strength and process reliability.
Shell Making Automation Line No. 03 – Investment Casting
Optimized shell making system streamlines reduction processes, improves efficiency, ensures long-term equipment reliability, and significantly reduces labor intensity.
Quality Inspection
Comprehensive quality inspection system covering materials, processes, dimensions, and final products to ensure traceability, consistency, and full compliance with customer specifications.
Zeiss CMM Machine
X-ray Flaw Detector
100T Horizontal Tensile Testing Machine
Rockwell Hardness Standard Machine
Logistics & Delivery
Monthly Capacity: 500–1000 tons.
Packing: Wooden crates, steel frames, or per client request.
Shipment: By Sea (recommended, saves cost for forging parts) / By Air (fast but expensive).
Payment Terms: 30% deposit with balance via B/L copy; or 100% L/C at sight.
Delivery Terms: FOB, CIF, CNF.