Product Type

Size Range (mm / inch)

Pressure Rating

Compliance Standards

Material

Connection Type

Key Features

Huiya UPVC 90° Elbow

20–400mm  

PN10

DIN EN 1452-2

Unplasticized PVC (UPVC)

Solvent Cement, Threaded

Corrosion-resistant, smooth inner wall, low flow resistance, compatible with Huiya UPVC pipes

Huiya UPVC 45° Elbow

20–400mm /

PN10

DIN EN 1452-2

UPVC

Solvent Cement

Gentle directional change, high structural strength, easy installation for Huiya piping systems

Huiya UPVC Equal Tee

20–400mm

PN10

DIN EN 1452-2

UPVC

Solvent Cement

Balanced flow distribution, leak-proof, ideal for branch connections in Huiya UPVC pipelines

Huiya UPVC Concentric Reducer

25×20–400×315mm

PN10

DIN EN 1452-2

UPVC

Solvent Cement

Uniform wall thickness, no fluid turbulence, seamless diameter transition for 20-400mm Huiya pipes

Huiya UPVC Reducing Tee

25×20–400×315mm

PN10

DIN EN 1452-2

UPVC

Solvent Cement

 Fit different diameter pipelines, stable flow, suitable for industrial and municipal Huiya UPVC systems

Huiya UPVC Flat Face Flange

50–400mm

PN10

DIN EN 1452-2, DIN PN10 flange standard

UPVC

Bolted Connection

Full-face sealing, compatible with Huiya UPVC pipes and DIN-standard equipment, easy disassembly

Huiya UPVC Threaded Union

20–315mm

PN10

DIN EN 1452-2

UPVC

Threaded + Solvent Cement

Removable for maintenance, leak-proof, compatible with 20-315mm Huiya UPVC pipeline maintenance

Huiya UPVC Coupling (Socket)

20–400mm

PN10

DIN EN 1452-2

UPVC

Solvent Cement

Straight pipeline connection, high bonding strength, durable for long-term use in Huiya UPVC systems

Huiya UPVC End Cap

20–400mm

PN10

DIN EN 1452-2

UPVC

Solvent Cement

Securely seals pipeline ends, pressure-resistant, protects Huiya UPVC pipes from debris and contamination

Comparison Factor

Huiya UPVC Fittings (PN10, DIN)

CPVC Fittings

Stainless Steel Fittings (DIN)

PPR Fittings

Max Working Temperature

Up to 60°C (140°F), suitable for cold water systems

Up to 93°C (200°F), for hot water/chemicals

Up to 200°C (392°F), for high-temperature industrial use

Up to 70°C (158°F), for residential heating

Pressure Rating

PN10 (10 bar), compliant with DIN EN 1452-2

PN16-PN20

PN25+, higher pressure capacity

PN10-PN16

Corrosion Resistance

Excellent, resists acids, alkalis, sewage and humid environments; no rust

Excellent, stronger for harsh chemicals

Good, but prone to rust in corrosive/marine environments

Good, limited to mild chemicals

Cost Efficiency

Low cost (50-70% cheaper than stainless steel, 10-30% cheaper than CPVC/PPR); high cost-performance for bulk orders

Medium, 10-30% more expensive than Huiya UPVC

High (2-3x the cost of Huiya UPVC), high maintenance cost

Medium, similar to CPVC

Size Range

20-400mm, full coverage for residential/municipal/industrial needs

20-315mm, limited large-size options

15-500mm, wide range but heavy

20-160mm, mainly for small residential projects

Service Life

≥50 years (23°C, PN10), compliant with DIN standards; low aging rate

≥50 years

≥30 years, shortened by rust

≥30 years

Installation Difficulty

Easy, solvent cement/threaded connection; no professional welding needed

Easy, same as UPVC

Difficult, requires welding and heavy handling

Medium, needs heat fusion equipment

Key Applications

Municipal drainage, residential water supply, agricultural irrigation, industrial cold water pipelines (Huiya core scenarios)

Chemical transport, hot water systems

High-pressure industrial systems, high-temperature pipelines

Residential heating, drinking water pipelines

Industry

Application Scenario

Recommended Huiya UPVC Fittings

Recommended Size Range (mm)

Pressure Rating

Key Advantages for This Scenario

Municipal Engineering

Sewage treatment, rainwater collection, urban drainage

90°/45° Elbow, Equal Tee, Concentric Reducer, Flat Face Flange, Coupling

110-400mm

PN10

Corrosion-resistant, durable in underground humid environments, DIN standard compliance, suitable for large-flow pipelines

Residential Buildings

Home water supply, bathroom/kitchen drainage, balcony piping

90° Elbow, Threaded Union, Bushing, End Cap, Coupling

20-63mm

PN10

Lightweight, easy to install in narrow spaces, non-toxic, low cost, matches 20-63mm household Huiya UPVC pipes

Agricultural Irrigation

Farmland irrigation, greenhouse water supply, orchard sprinkler systems

45°/90° Elbow, Equal Tee, Concentric Reducer, Coupling

25-160mm

PN10

Anti-aging, suitable for outdoor use, low cost for bulk deployment, 25-160mm size fits most irrigation pipelines

Industrial Projects

Cold water transport, cooling water pipelines, non-corrosive fluid transfer

Flat Face Flange, Reducing Tee, Threaded Union, Concentric Reducer

63-400mm

PN10

High structural strength, DIN standard compatibility, easy maintenance, fits industrial 63-400mm Huiya UPVC piping systems

Commercial Buildings

Office building water supply/drainage, shopping mall ventilation supporting piping

Elbow, Tee, Coupling, Flange, End Cap

50-200mm

PN10

Leak-proof, stable performance, easy to maintain, compatible with commercial-scale Huiya UPVC pipeline layout