Retraktor MR1 Extendable rotation nozzle with returning spring Version with different rotation nozzles Return spring ensures complete closure Compressed air mechanism ensures tightness FDA compliant & EX certified acid, alkali & temperature resistant adaptable design, different stroke widths ideal for pipelines and silos designed for hygienic operation operation monitoring by sensors possible . Technical Data Value Function: opening by cleaning medium, spring closing, emptying air/gas Pressure range: 3 - 4 bar Air pressure for emptying: from 0,5 bar Lifting width: 75 - 300 mm, Preferred mounting position: vertically downwards to horizontal Weight: approx. 6,0 kg (standard version) Materials: Stainless steel 316L (1.4404), C.PTFE, PTFE, PEEK, C.PEEK EPDM, Hastelloy Materials spring: Stainless steel 316 (1.4401) Fluid-connection: DN25 Clamping flange, ISO 1" OD Clamping flange, 1" BS 4825-3 Clamping flange, others on request Tank connection: DN65 Clamping flange, ISO 2.5" OD Clamping flange, 2.5" BS 4825-3 Clamping flange, block flange, weld-on spigot, others