Three-quarter angle view of a stainless steel 45-degree elbow (A-Type) isolated on a white background.
Direct side view of the 45-degree elbow, clearly showing the angle between the two ports on a white background.
Overhead view of the elbow, displaying its angular orientation and port alignment.
Close-up, head-on view into one socket of the elbow, highlighting the machined internal threads.
Two identical 45-degree stainless steel elbows placed side-by-side on a white background.
Two 45-degree elbows positioned at complementary angles, offering a three-dimensional understanding of their form.

Stainless Steel Threaded Press-Fit 45° Elbow A-Type & Socket Weld Fittings

Category Tag

  • Optimized 45-Degree Diversion: Engineered for smoother directional changes with reduced flow resistance and pressure drop compared to 90° turns.

  • Socket Weld Dimensional Match: Features identical end-to-end dimensions as standard Socket Weld (SW) 45° elbows, ensuring seamless integration in hybrid or retrofit projects.

  • Dual-Sealing Assurance: Employs the patented combination of mechanical press-fit force and permanent anaerobic adhesive bonding for ultimate leak security.

  • Certified System Component: An integral part of the piping system validated for 70-year service life through independent aging tests.

  • Full Material & Standard Compliance: Manufactured from 304/316L stainless steel, conforming to Q/9297288, CECS 423, ASME B16.11, and critical gas standards.

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Engineered for Efficient, Low-Resistance Directional Changes

The Stainless Steel Threaded Press-Fit 45° Elbow (A-Type) is designed for applications where a gentler change in flow direction is required. As a key component of our high-performance Threaded Press-Fit Fittings Series, this elbow minimizes turbulence and pressure loss, making it ideal for optimizing system efficiency in both plumbing and industrial piping layouts.

 

Superior Hydraulic Performance & Space Optimization

The 45-degree angle offers a significant hydraulic advantage over sharper turns. It facilitates smoother fluid flow, reducing long-term energy consumption in pumping systems and minimizing erosion potential. Its A-Type design provides a compact and straightforward connection between two pipes, perfect for creating offset lines or navigating around obstacles in confined spaces within mechanical rooms.

 

Key Feature: Universal Socket Weld Interchangeability

This elbow is machined to precise dimensional parity with standard Socket Weld 45° elbows. This intentional design allows for unparalleled flexibility:

  • Design Freedom: Enables engineers to specify a single fitting footprint, with the on-site choice between a faster press-fit installation or a traditional welded joint.

  • Simplified Inventory: Contractors and distributors can maintain one stock item that serves both installation methods.

  • Retrofit Ease: Allows direct, drop-in replacement of existing welded 45° elbows without system redesign.

 

Core Sealing Technology: Durability by Design

Like all fittings in our flagship series, this elbow utilizes the proven Threaded Press-Fit Technology Overview. Precision internal threads are engineered to work with a specialized anaerobic adhesive. When pressed, the adhesive is forced into a sealed labyrinth where it cures, forming multiple, irreversible sealing barriers. This science-backed method is the foundation of the system’s verified 70-Year Service Life Certification.

Cross-sectional view of a 45-degree elbow cut at the bend, revealing the internal threaded pathway and the cured anaerobic adhesive forming a continuous seal.
Anatomy of a Permanent Seal: This diagram shows how the adhesive completely fills the threaded interface, creating a solid, leak-proof barrier even at the angled joint.

Material Integrity & Regulatory Compliance

Fabricated from certified Stainless Steel 304/304L/316/316L, this elbow ensures excellent corrosion resistance. It is produced in full compliance with a comprehensive suite of standards, including stringent gas pipeline specifications like DBJ51/T 023-2014, ensuring its suitability for critical and regulated applications.

 

Specification Table

Model Nominal Diameter Dimensions(mm) Dimensions(inch)
J15 DN15 16 0.63
J20 DN20 20 0.787
J25 DN25 25.4 1
J32 DN32 32 1.26
J40 DN40 40 1.57
J50 DN50 50.8 2
J60 DN60 63.5 2.5
J65 DN65 76.1 3
J80 DN80 88.9 3.5
J100 DN100 101.6 4
J125 DN125 133.3 5.25
J150 DN150 159 6.26
J200 DN200 219 8.62

 

Applications

  • Low-resistance directional changes in HVAC and hydronic systems.

  • Potable water lines where optimized flow efficiency is desired.

  • Industrial process piping requiring smooth flow transitions.

  • Gas distribution networks (where compliant with applicable standards).

  • Chemical and food processing lines.

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