Fluxer website Search Close navigation nl fr en Applications Drinking water Wastewater Steam Oils and fats Gas Manure Granulates & powder Foods Chemicals Services Custom assembly Commissioning and start-up Repair Careful overhaul Hands-on needs analysis Training Reliable transport Products Valves Auxiliary flow products Measurement and control Actuators Check valves Industries Basic industry Foods Manufacturing industry Agriculture Transport & storage Energy Petrochemistry & refining Recycling News Contact Request a quote Fluxer website News Contact Change the language to en nl fr Applications Drinking water Wastewater Steam Oils and fats Gas Manure Granulates & powder Foods Chemicals Services Custom assembly Commissioning and start-up Repair Careful overhaul Hands-on needs analysis Training Reliable transport Products Valves Auxiliary flow products Measurement and control Actuators Check valves Industries Basic industry Foods Manufacturing industry Agriculture Transport & storage Energy Petrochemistry & refining Recycling Search Request a quote Open navigation Homepage Products Auxiliary flow products Sight & gauge glasses Sight glasses sight glasses cast iron GG25 sight glasses cast iron GG25 Configure your product This product has multiple variants. Select your preferred variant: Maat DN Choose an option 15 20 25 32 40 50 65 80 100 125 150 200 Product code: Specifications Add to quote Details Working pressure Max. 16 bar Application Water, condensate, oil and chemicals Temperature range -10°C to +150°C Downloads Technical sheet Product sheet Questions? Contact our expert Specifications Connection Flanged PN16 Connection Flange connection Seal Graphite Casing Gray cast iron GG25 Cover Cast iron GG25 Cover mounting Flange cover Pressure class PN16 Application Chemicals , condensate , oil , water Material Cast iron Standard DIN 3237 Face-to-face dimensions EN 558, series 1 Mounting Horizontally and vertically Description Sight glasses with cast iron GG25 housing and flange connection are used for optical control of water, condensate, oil and chemicals in horizontal and vertical pipelines at operating pressures of 16, 25 or 40 bar. Questions? Contact our expert Would you like our catalog? Download here U gebruikt een verouderde browser. Upgrade uw browser om uw ervaring te verbeteren.