Design GESA®: As lug type butterfly valve with threaded eyelets and notch lever,lock lever,gear,pneumatic/electric actuators;standard disc of stainless steel 1.4581,CuAI optional). Material (Nom.Pressure): EN–JS 1030 (PN 6/10/16) Nominal Diameter): DN 25 up to 500 Medium/Temperature: Cold,warm,hot water EPDM up to+130°C, NBR up to+80°C, FPM up to+150 °C Applications: Heating and Industrial installation,shipbuilding,swimming–pool technology,cold-and cooling water facilities,waste water,drinking water and domestic water. Testing/Certification GOST-R Design ZESA®: As wafer type butterfly valve.Rest is the same as ZESA–G® Material (Nom.Pressure): EN–JS 1030 (PN 6/10/16) EN–JS 1049 (PN 6/10/16) Nominal diameter: see ZIVA–G ® Medium/Temperature: see ZIVA–G ® Applications: Industrial installations,Chemical Installations,Shipbuilding,Special applications:building technology. Testing/Certification: DIN DVGW Reg.For water (EPDM) and Gas NBR), Gost–R Variations: 1.“ZIVA®-Z” (with lever) 2.“ZIVA®-Z” ( with gear) 3.“ZIVA®-G” ( With lever) 4.“ZIVA®-G” (mit Getriebe) Design ZIVA®-G: As lug type butterfly valve with threaded eyelets and notch lever,gear pneumatic/electric actuators; standard disc of stainless steel 1.4581! Material (Nom.Pressure) EN-JS 1030 (PN 10/16) EN-JS 1049 (PN 10/16) Nominal diameter DN 25 upto 600 Medium/Temperature: Kalt/Warm-Hei wasser EPDM up to 130°C, NBR up to 80°C, FPM up to +150°C Applications Industrial installations,chemical installations,Shipbuilding,Special applications:building technology. Testing/Certification DIN DVGW Reg. For water(EPDM) and Gas(NBR),Gost–R