CPVC Vitroling Reducer Coupler

A CPVC Vitroling Reducer Coupler is a pipe fitting made from Chlorinated Polyvinyl Chloride (CPVC) that is used to connect two CPVC pipes of different diameters in a straight line. It reduces the pipe size from a larger diameter to a smaller diameter while maintaining a smooth flow of fluid through the pipeline. The Vitroling design refers to a reinforced or specially shaped coupling structure that provides better strength, durability, and leak-proof performance. CPVC Vitroling reducer couplers are commonly used in hot and cold water systems, industrial piping, and chemical processing applications where a change in pipe size is required.

The CPVC Vitroling Reducer Coupler is a high-performance pipe fitting designed to connect two CPVC pipes of different diameters in a straight line while maintaining chemical compatibility and structural integrity. Chlorinated Polyvinyl Chloride (CPVC), this reducer coupler is specifically designed for use in industrial piping systems that handle hot fluids and aggressive chemicals. The term “Vitroling” refers to an enhanced coupling design that supports high-pressure and temperature conditions, ensuring a durable, leak-proof joint.

CPVC Vitroling Reducer Coupler Details

ID: Internal Diameter (Socket)
OD: Outside Diameter
WT: Wall Thickness
SL: Socket Length (Insertion Depth)
H: Total Overall Height/Length of the fitting

Size (Inch)	ID-1 (mm)	OD-1 (mm)	WT-1 (mm)	SL-1 (mm)	ID-2 (mm)	OD-2 (mm)	WT-2 (mm)	SL-2 (mm)	H (mm)
¾ x ½	26.97	34.79	3.91	25.40	21.64	29.10	3.73	22.23	56
1 x ½	33.78	42.88	4.55	28.58	21.64	29.10	3.73	22.23	66
1 x ¾	33.78	42.88	4.55	28.58	26.97	34.79	3.91	25.40	65
1¼ x ½	42.55	52.25	4.85	31.75	21.64	29.10	3.73	22.23	69
1¼ x ¾	42.55	52.25	4.85	31.75	26.97	34.79	3.91	25.40	68
1¼ x 1	42.55	52.25	4.85	31.75	33.78	42.88	4.55	28.58	68
1½ x ½	48.72	58.88	5.08	34.93	21.64	29.10	3.73	22.23	74
1½ x ¾	48.72	58.88	5.08	34.93	26.97	34.79	3.91	25.40	76
1½ x 1	48.72	58.88	5.08	34.93	33.78	42.88	4.55	28.58	75
1½ x 1¼	48.72	58.88	5.08	34.93	42.55	52.25	4.85	31.75	74
2 x ½	60.78	71.86	5.54	38.10	21.64	29.10	3.73	22.23	85
2 x ¾	60.78	71.86	5.54	38.10	26.97	34.43	3.73	25.40	85
2 x 1	60.78	71.86	5.54	38.10	33.78	42.88	4.55	28.58	85
2 x 1¼	60.78	71.86	5.54	38.10	42.55	52.25	4.85	31.75	83
2 x 1½	60.78	71.86	5.54	38.10	48.72	58.88	5.08	34.93	83
2½ x 2	73.56	87.58	7.01	44.45	60.78	71.86	5.54	38.10	104
3 x 2	89.31	105.55	16.24	48.63	60.78	88.54	27.76	48.93	104
3 x 2½	89.51	104.75	7.62	47.63	73.38	83.70	5.16	44.45	107

Parameter	Details
Product Name	CPVC Reducer Coupler
Material	Chlorinated Polyvinyl Chloride (CPVC)
Size Range	½ inch × ¼ inch to 4 inch × 2 inch (custom configurations available)
Connection Type	Socket (Solvent Weld)
Reducer Type	Straight-line, concentric reducer coupler
Temperature Range	0°C to 100°C
Pressure Rating	Up to 10 kg/cm² at 23°C (varies with size and application)
Color	Light Grey / Beige / Off-white / Cream
Standards Compliance	ASTM D2846 / ASTM F439 / IS 15778
Applications	Industrial piping, chemical transfer, hot water distribution, water treatment
Installation Method	Solvent cement welding for permanent joint
Density	Approximately 1.50 – 1.55 g/cm³
Maximum Service Temp	0 to 100°C
Thermal Conductivity	About 0.14 W/m·K
Tensile Strength	Approximately $50 - 55\text{ MPa}$
Flexural Strength	Around $90 - 100\text{ MPa}$
Thermal Expansion Coeff	6.2 × 10⁻⁵ m/m/°C
Impact Strength	High impact resistance
Surface Finish	Smooth internal and external surface
Corrosion Resistance	Excellent resistance to rust, scale, and chemicals

Size Transition Capability: Provides a smooth and secure connection between two pipes of different diameters.
Enhanced Strength Design: Vitroling structure ensures better mechanical stability under pressure.
High Temperature Resistance: Can operate continuously at temperatures up to 93°C (200°F).
Excellent Chemical Resistance: Inert to a wide range of corrosive chemicals, acids, and bases.
Leak-Proof Performance: Designed for solvent weld bonding, ensuring a tight and long-lasting seal.
Non-Corrosive and Durable: CPVC construction resists scaling, corrosion, and biological growth.
Easy to Install: Lightweight and easy to handle, suitable for quick assembly in piping systems.
UV and Weather Resistant: Suitable for protected outdoor installations.

Nominal Size (inch)	Nominal Size (mm)	Pressure Rating (psi)	Pressure Rating (kg/cm²)	Temperature
½” × ¾”	15 × 20 mm	150 psi	10 kg/cm²	23°C
¾” × 1″	20 × 25 mm	150 psi	10 kg/cm²	23°C
1″ × 1¼”	25 × 32 mm	150 psi	10 kg/cm²	23°C
1¼” × 1½”	32 × 40 mm	150 psi	10 kg/cm²	23°C
1½” × 2″	40 × 50 mm	150 psi	10 kg/cm²	23°C

If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.

Benefits of Using CPVC Vitroling Reducer Coupler

Size Transition

Allows smooth connection between two CPVC pipes of different diameters, ensuring proper flow control in piping systems.

Corrosion Resistance

CPVC material is highly resistant to corrosion, rust, and chemical reactions, making it suitable for long-term use.

High Temperature Resistance

Can handle hot water applications up to about 93°C, making it ideal for hot water distribution systems.

Leak-Proof Joint

Designed for solvent cement joints, which provide strong, tight, and leak-free connections.

Lightweight Material

CPVC fittings are lighter than metal fittings, making transportation, handling, and installation easier.

Long Service Life

The material is durable and resistant to scaling, providing a long operational life.

Easy Installation

A simple socket-type connection reduces installation time and does not require complex tools.

Low Maintenance

Because of its chemical and corrosion resistance, it requires minimal maintenance after installation.

Good Flow Efficiency

Smooth internal surface helps reduce friction and pressure loss in the piping system.

Cost-Effective

Compared with metal fittings, CPVC fittings are economical and provide reliable performance for systems.

Types of CPVC Vitroling Reducer Coupler

Socket Type Vitroling Reducer Coupler

Both ends have socket connections.
Pipes are joined using solvent cement.
Commonly used in CPVC systems

Spigot × Socket Vitroling Reducer Coupler

One side has a spigot end, and the other has a socket end.
The spigot fits directly into another socket fitting.

Plain Vitroling Reducer Coupler

Standard reducer coupler used to connect two different pipe sizes.
Simple design for general applications.

Heavy Duty Vitroling Reducer Coupler

Designed with thicker walls.
Used for systems requiring higher strength and durability.

Industrial Vitroling Reducer Coupler

Used in industrial piping systems such as chemical plants and water treatment systems.
Provides good chemical and temperature resistance.

Standard CPVC Vitroling Reducer Coupler

Manufactured according to ASTM / IS standards.
Suitable for hot and cold water distribution systems.

Applications of CPVC Vitroling Reducer Coupler

Process Industry

High Purity Applications

Electronic Industry

Electrical Industry

Semi-conductors Industry

Pharmaceutical Industry

Solar power panels

Sugar Industry

Paper & Pulp Industry

Nuclear Power Industry

Automotive Industry

DI water plants

Why Choose Petron Thermoplast?

Petron Thermoplast is a trusted manufacturer and supplier of high-qualityCPVC Vitroling Reducer Coupler, engineered to deliver reliable flow control in demanding industrial environments. Our CPVC Vitroling Reducer Coupler is designed to meet international standards while offering long-term performance and cost efficiency.

1. Premium-Grade CPVC Material

We use high-quality, corrosion-resistant CPVC that ensures excellent resistance to chemicals, acids, alkalis, and saline media—making our coupler ideal for chemical, oil treatment, and industrial process applications.

2. Robust & Leak-Proof Design

Petron Thermoplast CPVC Vitroling Reducer Coupler features precision-engineered discs, high-performance elastomer seals, and rigid valve bodies, ensuring bubble-tight shut-off and consistent operation under pressure.

3. Smooth Operation & Low Torque

Our CPVC Vitroling Reducer Coupler are designed for low operating torque, allowing smooth manual, gear-operated, pneumatic, or electric actuation. This reduces actuator wear and improves overall system efficiency.