For highest requirements to cleanliness and hygiene in the food, bio and pharmaceutical industry the 'ERV' types can be ordered with additional PTFE lining (ERV .. TA) and PTFE vacuum support ring (ERV .. TAS) with universal media resistance. After the assembly of flanges, the lining is produced.
ERV-W
WHITE BAND expansion joint for foodstuffs, also oils and fat containing food. Liner conforms to German foodstuff regulations. Temperature range -20°C up to 90°C, temporarily up to 100°C. Lining NBR, light grey.
Also suitable are types:
ERV-R
RED BAND expansion joint for water, drinking water, waste water, seawater, cooling water, chemical waste water (without oil), chemicals, acids and alkalis, salt solutions, alcohols. Temperature range -40°C up to 100°C, temporarily up to 120°C. Lining Butyl/EPDM.
ERP
RED SPOT expansion joint for sanitary facilities, cold/warm water, swimming pool water, seawater, drinking water. Highly flexible + low own resistance.
W.P. max. 10 bar. Temperature range -40°C up to 90°C, temporarily up to 120°C. Lining Butyl/EPDM.
ERV .. TA
additional order number for PTFE lining
ERV .. TAS
additional order number for PTFE vacuum support ring