HDPE Butt Fusion Rubber Gasket for Water

Diameter Range: DN 20 - DN 1200Pressure Rating: PN 6 - PN 25Applicable Standards: ISO 4427, EN 12201, ASTM F714Stock Availability: In stockSample Policy: Free s

HDPE Butt Fusion Rubber Gasket for Water

HDPE Butt Fusion Rubber Gasket for Water

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Rubber sealing gasket designed for butt fusion connections in HDPE pipelines, ensuring long-term leak-proof performance in water supply systems.

Diameter Range: DN 20 - DN 1200
Pressure Rating: PN 6 - PN 25
Applicable Standards: ISO 4427, EN 12201, ASTM F714
Stock Availability: In stock
Sample Policy: Free sample available
Lead Time: 5–30 days

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尺寸 Size DN	D0 (mm)	D1 (mm)	D2 (mm)	da (mm)	H (mm)	L (mm)	螺孔数 n Number of bolt holes
15	93	16	65	14	3	115	4
20	103	21	75	14	3	125	4
25	113	28	85	14	3	135	4
32	138	36	100	18	3	160	4
40	148	45	110	18	3	170	4
50	163	57	125	18	3	185	4
65	183	69	145	18	3	205	4
80	198	83	160	18	3	220	8
100	218	103	180	18	3	250	8
De125	248	117	210	18	3	280	8
125	248	131.5	210	18	3	280	8
150	283	151	240	22	3	315	8
De180	283	166	240	22	3	315	8
De200	338	190	295	22	3	370	8
200	338	203	295	22	3	370	8
De250	393	239.5	350	22	3	430	12
300	443	302	400	22	3	485	12
350	500	320	450	22	3	550	16
400	550	350	500	22	3	590	16

Key Features

EPDM rubber material offers superior weather/chemical resistance
Optimized compression design ensures permanent elastic sealing
Compatible with ISO-standard HDPE butt fusion fittings
Low-friction surface facilitates installation positioning

Typical Applications

Municipal water supply network joints
Industrial cooling water circulation systems
Irrigation water transmission pipelines
Building water supply/drainage interfaces

Manufacturing Process

Rubber compression molding and vulcanization process

Vulcanization temperature control: ±2℃ tolerance
Molding pressure maintenance ≥15MPa
Raw material mixing homogeneity testing
Dimensional compliance with ISO 3302

Raw Material Characteristics

Density: 1.2-1.3 g/cm³
Hardness: 70±5 Shore A
Tensile strength: ≥12 MPa
Compression set: ≤25% (ISO 815)

Sealing for buried HDPE water transmission pipelines
Flange connections in water treatment pump stations
Low-pressure pipelines in desalination systems
Maintenance joints in fire-fighting water networks

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