HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

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Butt fusion straight-through tee for 90° branch connections.

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

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The HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage is a butt fusion tee with streamlined flow geometry, designed for reliable branch connections in siphonic drainage systems.

SizeDN				Dimensions(mm)					Nominal Pressure PN(kg/cm²)
	D0	D1	D2	d	T	L	H1	H
15	26.30	20.30	19.95	18.00	16.20	55.40	27.70	40.85	S5(PN20)
20	31.80	25.30	24.95	23.00	18.70	65.40	32.70	48.60	S5(PN20)
25	39.90	32.30	31.90	30.00	22.20	79.40	39.70	59.65	S5(PN20)
32	49.70	40.40	39.90	38.00	26.20	97.20	47.70	72.55	S5(PN20)
40	61.90	50.40	49.90	48.00	31.20	114.50	57.70	88.65	S5(PN20)
50	77.90	63.40	62.90	61.00	37.70	141.00	70.70	109.65	S5(PN20)
65	91.20	75.40	74.90	70.90	43.70	165.00	82.50	128.10	S6.3(PN16)
80	107.60	90.50	89.90	85.90	51.20	194.00	97.50	151.30	S6.3(PN16)
100	127.00	110.60	109.90	103.90	61.20	234.00	117.50	181.00	S6.3(PN16)
De125	144.30	125.70	124.90	118.90	68.70	264.00	132.50	204.65	S6.3(PN16)
125	161.60	140.80	139.90	133.90	76.20	296.00	148.00	228.80	S6.3(PN16)
150	184.60	160.80	159.90	153.90	86.20	334.00	168.00	260.30	S6.3(PN16)
De180	202.60	180.90	179.90	178.50	97.00	380.00	190.00	291.30	S6.3(PN16)
De200	230.50	201.00	199.90	193.50	106.20	415.00	208.00	323.25	S6.3(PN16)
200	259.40	226.20	224.90	216.90	119.10	463.50	233.50	363.20	S6.3(PN16)
De250	287.90	251.30	249.90	241.90	131.65	516.00	258.50	402.45	S8(PN16)
250	314.80	281.50	279.90	278.00	147.00	581.50	291.00	448.40	S8(PN16)
300	358.20	316.70	314.90	306.90	164.30	645.00	323.00	502.10	S8(PN16)
350	394.11	356.80	355.00	331.50	184.00	742.20	371.10	571.6	S8(PN16)
400	450.00	402.00	400.00	363.80	204.20	828.00	414.00	640.5	S8(PN16)
500	540.50	503.00	500.00	469.00	256.00	1029.00	514.50	784.75	PN6
600	668.50	633.00	630.00	591.80	321.00	1289.00	644.50	978.75	PN6

Key Features of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

Streamlined flow guides branch flow smoothly into the main line.
Butt fusion joints on all three ends form a homogeneous monolithic structure.
High-strength body with reinforced junction resists water hammer.
Full range available as equal and reducing tees.

Manufacturing Process of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

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

Critical Process Parameters of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

Inspection of coaxiality and perpendicularity of the three ends
Control of mold temperature at the junction

Raw Material Characteristics of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

HDPE material, impact and chemical resistant
The fitting Complies with ISO 8770 and EN 1519-1

Typical Applications of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

The fitting connects multiple roof outlets via branch pipes to the suspended main collector.
serves as the junction point where branch lines merge into the main vertical stack.

Application Scenarios of HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage

Nodes where horizontal branch pipes connect to mains in siphonic drainage systems — is the standard tee for these connections.

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HDPE Butt Fusion Straight-Through Tee for Siphonic Drainage