Casing: Cast iron Idler: Cast iron, Stainless steel, Steel Rotor: Cast iron, Nodular iron, Stainless steel Max. capacity: 130 m3/h (GP, GM) 80 m3/h (GS) Max. differential pressure: 16 bar (GP, GM) 10 bar (GS) Max. temperature: 300C (GP, GM) 200C (GS) Max. viscosity: 80 000 mPas (GP, GM) 5 000 mPas (GS) Shaft seal: Packed gland without lantern ring. Shaft trust on bush bearing inside and ball bearing outside the liquid.(GP)   Packed gland with lantern ring, single or double mechanical seal, cartridge seals. (GM)   Single short DIN mechanical seal. Shaft trust on roller bearing and ball bearing outside the liquid. (GS)