HDPE Concentric Reducer

HDPE Pipe Fittings

An HDPE Concentric Reducer is a precision-engineered pipe fitting made from high-density polyethylene (PE100/PE80 grades), specifically designed to connect two pipes of different diameters while keeping their centerlines aligned, thereby allowing a smooth and balanced reduction in flow size without causing turbulence or flow interruption in the piping system. With its excellent strength-to-density ratio, high flexibility, corrosion and chemical resistance, lightweight design, and ability to withstand harsh environmental conditions, this reducer ensures long-term leak-proof performance and durability. Widely used in sewage and wastewater pipelines, gas supply lines, and various industrial applications, the HDPE Concentric Reducer provides a reliable solution for adapting pipelines of different sizes while maintaining efficiency, safety, and longevity of the system.

Key Feature of HDPE Concentric Reducer

Material Strength – Manufactured from high-grade HDPE (PE100/PE80) for durability and long service life.
Smooth Flow Transition – Provides gradual reduction in pipe size while maintaining aligned centerlines, reducing turbulence and pressure loss.
Corrosion Resistant – Unaffected by rust, scaling, or electrochemical reactions unlike metal fittings.
Chemical Resistance – Suitable for a wide range of industrial fluids and aggressive chemicals.
Leak-Proof Jointing – Compatible with butt fusion, electrofusion, or mechanical jointing methods.
Flexibility & Impact Resistance – Absorbs stress and vibrations effectively, ideal for underground and dynamic applications.
Lightweight & Easy Handling – Easier to transport, install, and maintain compared to metallic reducers.
Wide Range of Sizes & Ratings – Available in multiple diameters and pressure classes (PN6, PN10, PN16, PN20).
Standards Compliance – Manufactured as per ISO 4427, EN 12201, DIN 16963, IS 8008 standards.

Technical Details of HDPE Concentric Reducer

Specification	Details
Product Type	HDPE Concentric Reducer
Material	High-Density Polyethylene (HDPE) – PE80 / PE100 grade.
Standards	ISO 4427, EN 12201, DIN 16963, IS 8008.
Size Range	OD: 20 mm to 800mm
SDR	SDR11, SDR21, SDR33 and SDR17
Pressure Rating	PN 6,PN 10,PN 16, PN 20
Temperature Range	–40°C to +60°C
Color	Black
Density	0.941 – 0.965 g/cm³
Tensile Strength	≥ 20 MPa
Welding Compatibility	Butt Weld, Electrofusion Welding, Socket Fusion Weld, or Mechanical Jointing.
Chemical Resistance	Excellent against acids, alkalis, and salts.
Applications	Gas distribution , Sewage treatment, Industrial fluid handling, Mining & slurry transportation and Firefighting networks

Technical Measurement of HDPE Concentric Reducer

dₑ₁/dₑ₂	L	I₁	I₂
25/20	37	12	12
32/25	43	12	12
40/20	50	12	12
40/25	50	12	12
40/32	50	12	12
50/25	55	12	12
50/32	55	12	12
50/40	55	12	12
63/32	65	16	12
63/40	65	16	12
63/50	65	16	12
75/32	80	19	12
75/40	71	19	12
75/50	71	19	12
75/63	71	19	16
90/50	80	22	12
90/63	80	22	16
90/75	80	22	19
110/50	105	28	12
110/63	97	28	16
110/75	97	28	19
110/90	97	28	22
125/63	112	30	16
125/75	108	32	19
125/90	108	32	22
125/110	108	32	28
140/75	123	35	19

dₑ₁/dₑ₂ (mm) → External Diameter 1 / External Diameter 2 (in millimeters)
L (mm) → Overall Length (in millimeters)
I₁ (mm) → Insertion Depth 1 (in millimeters)
I₂ (mm) → Insertion Depth 2 (in millimeters)

At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include:

Tailor-made dimensions and wall thicknesses
Custom-molded and machined PVDF fittings
Pre-fabricated manifolds and assemblies
Choice of connection type (butt fusion, socket fusion, or flanged)
OEM branding or marking options

HDPE Pipe Fittings