HDPE Butt Fusion 90° Elbow for Siphonic Drainage

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A butt fusion 90° elbow for standard 90° directional changes.

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 90° Elbow for Siphonic Drainage is a standard 90° elbow with butt fusion ends, designed for reliable directional changes in siphonic drainage systems.

Size DN	Dimensions (mm)
	D0	d1	d2	d	T	L	H
15	26.30	20.30	19.95	18.00	16.20	27.70	40.80	S5(PN20)
20	31.80	25.30	24.95	23.00	18.70	32.70	48.60	S5(PN20)
25	39.90	32.30	31.90	30.00	22.20	39.70	59.60	S5(PN20)
32	49.70	40.40	39.90	38.00	26.20	47.70	72.50	S5(PN20)
40	61.90	50.40	49.90	48.00	31.20	57.70	88.70	S5(PN20)
50	77.90	63.40	62.90	61.00	37.70	70.70	109.70	S5(PN20)
65	91.00	75.40	74.90	70.90	43.70	82.50	128.00	S6.3(PN16)
80	107.40	90.50	89.90	85.90	51.20	97.50	151.20	S6.3(PN16)
100	127.00	110.60	109.90	103.90	61.20	117.50	181.10	S6.3(PN16)
De125	144.30	125.70	124.90	118.90	68.70	132.50	204.70	S6.3(PN16)
125	162.30	140.80	139.90	133.90	76.20	148.00	229.10	S6.3(PN16)
150	184.60	160.80	159.90	153.50	86.20	168.50	260.80	S6.3(PN16)
De180	202.60	180.90	179.90	178.50	97.00	190.00	291.30	S6.3(PN16)
De200	230.50	201.00	199.90	193.50	106.20	208.00	323.30	S6.3(PN16)
200	259.40	226.20	224.90	216.90	119.10	233.60	363.20	S6.3(PN16)
De250	287.90	251.30	249.90	241.90	131.65	258.50	402.50	S8(PN16)
250	314.80	281.50	279.90	278.00	147.00	291.00	448.40	S8(PN16)
300	358.20	316.70	314.90	306.90	164.30	323.00	502.10	S8(PN16)
350	394.00	356.80	355.00	331.50	184.00	375.75	576.00	S8(PN16)
400	450.00	402.00	400.00	363.80	204.20	413.50	657.50	S8(PN16)
500	540.50	503.00	500.00	469.00	256.00	515.00	784.75	PN6
600	668.50	633.00	630.00	591.80	321.00	645.00	978.75	PN6

Key Features of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

Standard 90° turn for typical nodes.
Butt fusion joints create a monolithic joint with no leakage risk.
Long radius design reduces local pressure drop.
High strength with uniform wall thickness resists deformation under negative pressure.

Manufacturing Process of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

Each is injection molded with mold design ensuring uniform wall thickness.

Critical Process Parameters of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

Wall thinning in the bend area ≤10%
Angle accuracy: 90° ± 1° between end centerlines

Raw Material Characteristics of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

HDPE material with excellent impact and chemical resistance
The fitting Complies with ISO 8770 and EN 1519-1

Typical Applications of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

is used for horizontal directional changes at top or bottom of vertical stacks.
transitions from roof outlet to horizontal suspended pipe.
routes piping around structural obstacles.

Application Scenarios of HDPE Butt Fusion 90° Elbow for Siphonic Drainage

All 90° directional change nodes in siphonic drainage piping — is the standard elbow for these transitions.

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HDPE Butt Fusion 90° Elbow for Siphonic Drainage