The Standard for Complete, Standalone 90° Press-Fit Turns
The Stainless Steel Double Press-Fit 90° Elbow (A-Type) is the definitive solution for creating a fully independent and sealed 90-degree directional change within a Double Press-Fit System Overview. As the “standard” configuration, its defining feature is the dual press-fit ends, meaning both connection points are designed to be permanently joined to pipes using the press tool, forming a complete, self-contained fitting.
Understanding Type A vs. Type B: Choosing the Right Elbow for the Job
This product is part of a strategic two-type system designed for installation flexibility:
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A-Type (This Product): Features two press-fit ends. It is used when creating a complete 90° turn between two pipe sections, with both ends being permanently pressed. This is the most common choice for new runs, prefabrication, and standard layouts.
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B-Type Elbow: Features one press-fit end and one threaded or other connection end. It is used for specific adaptations, such as connecting to equipment, valves, or existing threaded piping, or when final installation distance requires adjustment.
Core Advantages: Reliability & Efficiency through Symmetrical Design
The symmetrical, dual press-fit design of the Type A elbow offers distinct advantages:
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Installation Consistency: Both ports are identical, simplifying the installer’s workflow, eliminating orientation errors, and speeding up the process.
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Assured Seal Integrity: Two independent O-ring seals undergo the same double-press procedure, guaranteeing uniform, factory-tested leak-proof performance for the entire assembly.
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Perfect for Prefabrication: Its standardized nature makes it an ideal component for prefabricating pipe modules in a controlled workshop environment, significantly boosting on-site installation speed—a practice proven in large-scale projects like the Shenzhen Bantian Commercial Plaza Project.
Cross-section Diagram

Engineered for Performance and Global Compliance
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Material & Standards: Constructed from 304, 304L, 316, or 316L stainless steel. Fully compliant with GB/T 19228.1, ISO 15835, and other major international standards.
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Quality Verification: Every elbow undergoes individual pressure testing above 1.05 MPa. Material properties (Tensile Strength ≥520 MPa) and the sealing system are validated through rigorous System Pressure & Performance Testing.
Specification Table
| Model | Nominal Diameter | Dimensions(mm) | Dimensions(inch) |
| SKJ15 | DN15 | 16 | 0.63 |
| SKJ20 | DN20 | 20 | 0.787 |
| SKJ25 | DN25 | 25.4 | 1 |
| SKJ32 | DN32 | 32 | 1.26 |
| SKJ40 | DN40 | 40 | 1.57 |
| SKJ50 | DN50 | 50.8 | 2 |
| SKJ60 | DN60 | 63.5 | 2.5 |
| SKJ65 | DN65 | 76.1 | 3 |
| SKJ80 | DN80 | 88.9 | 3.5 |
| SKJ100 | DN100 | 101.6 | 4 |
| SKJ125 | DN125 | 133.3 | 5.25 |
| SKJ150 | DN150 | 159 | 6.26 |
| SKJ200 | DN200 | 219 | 8.62 |
Typical Applications
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Creating standard 90-degree turns in new potable water systems.
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Right-angle direction changes in HVAC and hydronic piping.
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A key component in prefabricated pipe modules for modular construction.
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Industrial pipeline modifications requiring permanent press-fit connections at both ends.









