HDPE Butt Fusion Y Type Tee for Siphonic Drainage

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Butt fusion Y-type tee with 45° branch angle for smooth branch connections.

Diameter Range: 50–315 mm
Pressure Rating: SDR17 (PN10) or SDR11 (PN16)
Applicable Standards: ISO 8770, EN 1519-1, GB/T 13663.3
Stock Availability: In stock
Sample Policy: Free sample available
Lead Time: 5–30 days

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The HDPE Butt Fusion Y Type Tee for Siphonic Drainage is a 45° branch tee with butt fusion ends, designed for smooth branch connections and efficient flow confluence in siphonic drainage systems.

Article	d1/d2	K	k1	k2	k3	e	e2
Y Branch 45°	40	131.0	34.0	39.5	39.5	3.2	3.2
Y Branch 45°	50.8*50.8	161.0	45.0	43.0	48.0	3.2	3.2
Y Branch 45°	56.6*56.6	157.0	40.0	37.0	41.0	3.2	3.2
Y Branch 45°	63*50.3	154.0	49.0	38.0	40.0	3.2	3.2
Y Branch 45°	63.2*63.4	189.0	51.5	48.0	50.0	3.4	3.4
Y Branch 45°	75.7*50.7	163.5	44.0	45.0	49.0	3.4	3.2
Y Branch 45°	76.1*56.4	183.0	50.0	53.0	57.0	3.5	3.2
Y Branch 45°	76*63.5	193.5	53.0	51.0	54.0	3.8	3.5
Y Branch 45°	75.7*76	199.0	44.5	45.0	51.0	3.4	3.4
Y Branch 45°	91*50.6	175.0	53.0	51.0	55.0	4.5	3.5
Y Branch 45°	91.2*63.5	192.0	51.5	52.0	54.0	4.3	3.5
Y Branch 45°	91*75.7	224.0	61.0	57.0	59.0	4.2	3.4
Y Branch 45°	91*90.7	246.4	61.5	57.0	63.0	4.2	4.2
Y Branch 45°	111*50.7	173.5	51.0	49.0	47.0	4.5	3.2

Key Features of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

45° flow design reduces head loss by 30%-50% compared to 90° tees.
Butt fusion joints on all three ends form a homogeneous monolithic structure.
Self-cleaning sloped entry minimizes debris buildup.
High-strength body with rounded transitions eliminates stress concentration.

Manufacturing Process of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

Each is integrally formed using multi-slide precision injection molds.

Critical Process Parameters of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

Angle tolerance control for 45° ± 1° branch-to-main angle
Dimensional accuracy of the intersection point of the three end centerlines

Raw Material Characteristics of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

HDPE material with excellent impact resistance
The fitting Complies with ISO 8770, EN 1519-1, GB/T 13663.3

Typical Applications of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

is used for lateral branch connections into horizontal mains.
serves symmetrical confluence connections in multi-outlet systems.
is installed at nodes requiring smooth flow confluence.

Application Scenarios of HDPE Butt Fusion Y Type Tee for Siphonic Drainage

Branch line confluence in large roof siphonic drainage systems — is the standard tee for these applications.

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HDPE Butt Fusion Y Type Tee for Siphonic Drainage