Steel-Plastic Coated Rubber Ring Joint Flange for Water

Hot Product

A steel-plastic coated rubber ring joint flange with rubber ring socket/spigot on one end and a plain flange on the other. The external metal reinforcement layer provides ultra-high strength.

Diameter Range: 63-1200mm
Pressure Rating: PN10, PN16, PN25
Applicable Standards: GB/T 10002.2, ISO 1452-3
Stock Availability: In stock
Sample Policy: Free sample available
Lead Time: 5–30 days

Request Quote Download Specs

Need help? Contact our technical support team

+86 1551559 6408

The Steel-Plastic Coated Rubber Ring Joint Flange for Water is a steel-reinforced flange with a rubber ring socket, designed for transition connections between large-diameter rubber ring piping and flanged equipment.

Nominal Diameter	Φ63	Φ75	Φ90	Φ110	Φ125	Φ140	Φ160	Φ200	Φ225	Φ250	Φ280	Φ315	Φ355	Φ400	Φ450	Φ500	Φ560	Φ630	Φ710	Φ800
Inside Diameter	Φ64.5	Φ77	Φ92	Φ112	Φ127	Φ142	Φ162.5	Φ203	Φ228	Φ253	Φ283	Φ318	Φ359	Φ405	Φ455	Φ506	Φ566	Φ637	Φ717	Φ806
Tolerance	+0.5	+0.5	+0.5	+0.5	+1.2	+1.2	+1.2	+1.2	+1.2	+1.5	+1.5	+1.5	+1.5	+2	+2	+2	+2	+2	+2	+2
L±3	100	115	120	125	125	130	135	150	170	175	185	185	210	225	235	245	250	285	290	300

Key Features of Steel-Plastic Coated Rubber Ring Joint Flange for Water

Steel-plastic composite structure gives external metal reinforcement for ultra-high strength.
Rubber ring plus flange design has a rubber ring socket/spigot on one end and a plain flange on the other.
Flexible connection enables transition between rubber ring piping and flanged equipment.
Large diameter capability reaches up to 1200mm.

Manufacturing Process of Steel-Plastic Coated Rubber Ring Joint Flange for Water

Each is produced by forming the internal UPVC layer, applying external metal reinforcement, and machining the rubber ring groove and flange face.

Critical Process Parameters of Steel-Plastic Coated Rubber Ring Joint Flange for Water

Bonding strength between metal reinforcement and PVC layer.
Socket rubber ring groove dimensional accuracy.
Flange face flatness and bolt hole accuracy.

Raw Material Characteristics of Steel-Plastic Coated Rubber Ring Joint Flange for Water

Inner layer: UPVC.
Outer layer: Steel or ductile iron.
Sealing rings: EPDM.

Typical Applications of Steel-Plastic Coated Rubber Ring Joint Flange for Water

is used for connection between large-diameter rubber ring piping and flanged valves.
serves flanged transition connections at pump station inlets and outlets.

Application Scenarios of Steel-Plastic Coated Rubber Ring Joint Flange for Water

Transition connections between large-diameter rubber ring piping and flanged equipment — is the standard flange for these connections.

Request Quote

Full Name *

Company Name

Email Address *

Phone Number

Quantity *

Required Size

Additional Requirements

Related Products

You might also be interested in these products

Steel-Plastic Coated Rubber Ring Joint Flange for Water