UPVC Rubber Ring Joint Flange

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A UPVC rubber ring joint flange with a rubber ring socket on one end and a flange on the other. Used for transition connections between UPVC rubber ring piping and metal flanged valves, equipment, or other flanged pipes.

Diameter Range: 63-400mm
Pressure Rating: PN10, PN16
Applicable Standards: GB/T 10002.2, ISO 1452-3
Stock Availability: In stock
Sample Policy: Free sample available
Lead Time: 5–30 days

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The UPVC Rubber Ring Joint Flange turns a rubber ring socketed line into a flanged connection, so valves and equipment bolt on and stay easy to remove for maintenance.

Coding	Spec (D)			Size				Unit: mm
		d1	d2	H	h1	L	Φ	Holes (n)
F4501	63	125	165	88	16	76	17.5	4
F4502	75	145	185	92	16	81.5	17.5	4
F4503	90	160	200	112.5	20.5	113.5	17.5	8
F4504	110	180	225	148.5	21	124	17.5	8
F4505	125	200-210	250	121	23	109	17.5	8
F4506	140	200-210	250	125	23	115	17.5	8
F4507	160	240	285	154	24.5	142	22	8
F4508	200	295	336	167.5	27	153	22	8
F4509	225	295	340	173.5	31	163	22	8
F4510	250	350	395	188	33	177	22	12
F4511	280	350	395	190	35	169	22	12
F4512	315	400	445	215	36.5	199	22	12
F4513	355	445-460	505	225	38	209	22	16
F4514	400	495-515	565	247.5	41.5	227.5	26	16

Key Features of UPVC Rubber Ring Joint Flange

Socket + Flange: socket end seals against pipe spigot via rubber ring while flange end bolts to equipment.
Rubber ring seal: quick socket installation without solvent cement.
Detachable: flanged connection allows easy maintenance and replacement.
Corrosion resistant: fluid contacts only UPVC; flange ring can be metal.

Manufacturing Process of UPVC Rubber Ring Joint Flange

Each is injection molded from UPVC. The socket carries a machined rubber ring groove and the flange face is flat with bolt holes per standards.

Critical Process Parameters of UPVC Rubber Ring Joint Flange

Every is checked against these parameters:

Socket rubber ring groove dimensional accuracy of this UPVC flange adapter.
Flange face flatness and perpendicularity.
Bolt circle and hole diameter conform to standards.

Raw Material Characteristics of UPVC Rubber Ring Joint Flange

Material Composition: UPVC body; flange ring can be UPVC, PP, or metal. Sealing ring: EPDM.
Material Properties: provides high mechanical strength, outstanding chemical resistance, suitability for cold water up to 45°C, and compliance with potable water standards.

Typical Applications of UPVC Rubber Ring Joint Flange

Rubber ring to flanged transition: connects UPVC rubber ring piping to flanged equipment.
Flanged valve inline: lets you install flanged valves in rubber ring systems.
Metal pipe connection: bridges to metal flanged pipes.

Application Scenarios of UPVC Rubber Ring Joint Flange

Any UPVC rubber ring system needing a flanged equipment connection.

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UPVC Rubber Ring Joint Flange