ERV-CR is an economical rubber expansion joint Elaflex for water supply and sanitation systems. It is used for cold and hot water, as well as wastewater containing impurities. Dampens vibration and compensates for axial, shear and angular movements of the pipeline.
Elaflex · Germany
| Type | Rubber (flexible) expansion joint, flanged |
|---|---|
| Nominal bore, DN | 25-1000 mm |
| Working pressure, PN | 10 / 16 bar |
| Medium temperature | −40 … +100 °C |
| Working medium | cold and hot water, waste and recycled water, aqueous solutions |
| Not to be used for | petroleum products and oils |
| Inner layer (lining) | EPDM |
| Outer layer | EPDM, ozone and heat resistant |
| Flanges | swivel type, DIN PN 10/16, galvanised steel (optionally stainless steel, bronze or aluminium) |
| Marking | ERV / type, DN, PN, date of manufacture |
Exact movements and permissible vacuum depend on the size and face-to-face length and are determined during selection. Full data is given in the technical data sheet (PDF).
| DN | PN, bar | D, mm | k, mm | Holes n×d | L, mm |
|---|---|---|---|---|---|
| 25 | 16 | 115 | 85 | 4×14 | 130 |
| 32 | 16 | 140 | 100 | 4×18 | 130 |
| 40 | 16 | 150 | 110 | 4×18 | 130 |
| 50 | 16 | 165 | 125 | 4×18 | 130 |
| 65 | 16 | 185 | 145 | 4×18 | 130 |
| 80 | 16 | 200 | 160 | 8×18 | 130 |
| 100 | 16 | 220 | 180 | 8×18 | 130 |
| 125 | 16 | 250 | 210 | 8×18 | 130 |
| 150 | 16 | 285 | 240 | 8×22 | 130 |
| 200 | 10 | 340 | 295 | 8×22 | 130 |
| 250 | 10 | 395 | 350 | 12×22 | 130 |
| 300 | 10 | 445 | 400 | 12×22 | 130 |
| 350 | 16 | 505 | 460 | 16×22 | 200 |
| 400 | 16 | 565 | 515 | 16×26 | 200 |
| 450 | 10 | 615 | 565 | 20×26 | 200 |
| 500 | 10 | 670 | 620 | 20×26 | 200 |
| 600 | 10 | 780 | 725 | 20×30 | 200 |
| 700 | 10 | 895 | 840 | 24×30 | 260 |
| 800 | 10 | 1015 | 950 | 24×33 | 250 |
| 900 | 10 | 1115 | 1050 | 28×33 | 300 |
| 1000 | 10 | 1230 | 1160 | 28×36 | 300 |
D is the flange outside diameter, k the bolt circle diameter, n×d the holes, L the standard face-to-face length. Flange dimensions to DIN PN 10/16. Weight and effective area depend on the size and are given in the data sheet or on request. Other flange standards and materials are available to order.
ERV-CR is an economical rubber expansion joint Elaflex for water supply and sanitation systems. It is used for cold and hot water, as well as wastewater containing impurities. Dampens vibration and compensates for axial, shear and angular movements of the pipeline.
Available in a wide range of diameters DN 25-1000 mm. The inner layer and the outer lining are made of EPDM. It is supplied with rotary flanges DIN PN 10/16; other flange standards and materials are available on request. OnePROM selects the standard size for the object parameters.
We receive the parameters or questionnaire and select the series and size.
We calculate movements and thrust forces and prepare an offer.
Shipped from stock or made to order with the required flange configuration.
Installation, installation supervision and commissioning on site where required.
Send the parameters or a questionnaire — we will prepare a calculation and a quotation.
Request a quoteLeave your contact details — we will select the model and prepare a quotation. We reply within one working day.