The ERV-G LT is a frost—resistant version of the Elaflex expansion joint for petroleum products. Retains elasticity and working properties at low ambient temperatures up to -40 °C.
Elaflex · Germany
| Type | Rubber (flexible) expansion joint, flanged |
|---|---|
| Nominal bore, DN | 25-300 mm |
| Working pressure, PN | 10 / 16 bar |
| Medium temperature | up to -40 °C |
| Working medium | petroleum products, diesel fuel, oils at low temperatures |
| Not to be used for | concentrated acids |
| Inner layer (lining) | nitrile butadiene rubber (NBR), frost-resistant |
| Outer layer | NBR, frost- and oil-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 |
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.
The ERV-G LT is a frost—resistant version of the Elaflex expansion joint for petroleum products. Retains elasticity and working properties at low ambient temperatures up to -40 °C.
Lining NBR in frost-resistant design, diameters DN 25-300 mm, flanges DIN PN 10/16. It is used in outdoor areas and in the northern design of facilities.
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.