Rubber expansion joints Elaflex (Germany) — the ERV range, grouped by working environment. Select the block and model for your task.
Expansion joints Elaflex for drinking and industrial water, heating networks, heating and cooling systems. Learn more →
ERV-RBasic expansion joint for water and aquatic environments, butyl/EPDM, approval for drinking water (DVGW, ACS, FDA).
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ERV-CRAn economical option for cold and hot water, sewage with impurities. Dn up to 1000.
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ERPFor water with increased compensating capacity. DN 25-150.
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ROTEXWear-resistant expansion joint for heating, cooling and hot air systems.
More detailedExpansion joints Elaflex for gasoline, diesel fuel, oils and natural gas are based on nitrile rubber (NBR). Learn more →
ERV-GUniversal expansion joint for all types of petroleum products and natural gas (NBR).
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ERV-GS HNBRReinforced design for extreme conditions, short-term resistance to high temperatures.
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ERV-G LTFor petroleum products at low temperatures — up to -40 ° C without loss of properties.
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ERV-GSFor cooling systems of stationary and marine diesel engines.
More detailedExpansion joints Elaflex for food media, acids and alkalis, concentrated acids, biodiesel and gases. Learn more →
ERV-WFor food products containing fats and oils.
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ERV-GRSpecial rubber composition for acids, alkalis, chemicals and aggressive effluents.
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VITEXBased on fluoro rubber (Viton) — for concentrated acids and biodiesel.
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ERV-ORFor liquefied petroleum gas (LPG) and high-pressure gases.
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ERV-TAWith fluoroplastic (PTFE) chamber coating — for particularly aggressive and clean environments.
More detailedThe series is selected according to the working environment: for water and aquatic media — ERV‑R, ERV‑CR, ERP, ROTEX; for petroleum products and gas — ERV‑G, ERV‑GS, ERV‑GS HNBR, ERV‑G LT; for acids, alkalis, biodiesel and foodstuffs — ERV‑GR, VITEX, ERV‑W, for gases up to 25 bar — ERV‑OR, for particularly aggressive media — ERV‑TA with PTFE-coating.
The operating pressure, depending on the model, ranges from 10 to 25 bar, diameters DN 25-1000 mm, rotary flanges DIN PN 10/16. OnePROM selects the series, size and configuration of flanges for your task and prepares a quotation.
Specify the medium, pressure, temperature, and diameter. We will select a series and prepare the calculation.
Request a quoteLeave your contact details — we will select the model and prepare a quotation. We reply within one working day.