Premium Socket Plain SPU pipe fittings from a leading China factory. High-pressure resistant sockets available in sizes 1/8, 1/4, 3/8, 1/2, 3/4, 1, and 1 1/4. Trusted suppliers for industrial pressure vessels.
Our SOCKET PLAIN (SPU) series represents the pinnacle of precision engineering in the metal pressure vessel and piping industry. Designed for seamless integration into high-pressure industrial systems, these sockets provide a robust and secure connection, ensuring maximum leak prevention and structural integrity for critical fluid and gas transport.
Manufactured under strict industrial standards, the SPU line is optimized for diverse applications ranging from chemical processing to oil and gas infrastructure. By combining superior material durability with exacting dimensional tolerances, our socket plain fittings guarantee long-term operational safety and reduced maintenance downtime in the most demanding environments.
Detailed Parameters
| Size Range (Min) | 1/8" - 1/2" | Size Range (Max) | 3/4" - 4" |
|---|---|---|---|
| S-Series 1/8" to 1/2" | 13.00 / 17.00 / 19.50 / 24.00 | S-Series 3/4" to 4" | 30.00 / 37.00 / 47.50 / 52.50 / 66.00 / 83.00 / 94.00 / 120.00 |
| R-Series 1/8" to 1/2" | 19.00 / 23.50 / 24.00 / 32.00 | R-Series 3/4" to 4" | 45.00 / 40.00 / 46.50 / 46.50 / 51.00 / 63.50 / 66.50 / 78.00 |
| Product Category | Pipe Fitting / SPU | Industry Application | Metal Pressure Vessels |
| Fit Type | Plain Socket | Precision Level | Industrial Grade |
Key Advantages
High Pressure Resistance
Engineered to withstand extreme internal pressures, ensuring safety in metal pressure vessel environments.
Extended Service Life
Premium material composition prevents premature wear and corrosion, reducing overall replacement costs.
Precision Dimensions
Strict adherence to size specifications ensures a perfect fit and rapid installation process.
Versatile Compatibility
Seamlessly integrates with forged products, flanges, and various pipe fitting standards.
Strict Quality Control
Every unit undergoes rigorous inspection to meet international metal packaging and vessel standards.
Optimized Workflow
Standardized S and R series sizing allows for streamlined inventory and procurement management.
Product Gallery
Management Platforms
Inventory Control
Real-time tracking of SPU socket stock across all size variants from 1/8" to 4".
Production Sync
Direct integration between forged product casting and final socket machining.
Quality Alerts
Automated notifications for batch testing results and tolerance deviations.
Order Monitoring
End-to-end visibility of custom pressure vessel component shipments.
Logistics Hub
Optimized distribution for heavy metal products to ensure timely project delivery.
Compliance Tracking
Digital certification management for all pressure-rated metal components.
Investment Return Comparison
| Performance Metric | Standard Fittings | SPU Premium Series |
|---|---|---|
| Installation Speed | Moderate | High (Precision Fit) |
| Leakage Rate | Standard | Ultra-Low |
| Maintenance Cycle | Frequent | Extended |
| Material Durability | Basic | High-Grade Alloy |
| Overall ROI | Baseline | +25% Efficiency Gain |
Frequently Asked Questions
SPU sockets are primarily used for secure piping connections within metal pressure vessels, ensuring airtight and watertight seals in high-pressure industrial environments.
The S and R series denote different dimensional standards for wall thickness and outer diameters, allowing engineers to choose the best fit based on pressure requirements and pipe schedules.
Yes, our SPU fittings are specifically engineered to be compatible with forged products and flanges, creating a cohesive and high-strength piping system.
We adhere to strict international manufacturing standards for metal pressure vessels, emphasizing material traceability, dimensional accuracy, and pressure testing.
Depending on the material grade selected, our SPU sockets are designed to resist corrosion, making them suitable for chemical processing and metal packaging environments.
We provide a comprehensive range of sizes starting from 1/8" up to 4", covering most standard industrial requirements for pressure vessel connections.
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