Mechanical Flowmeter Mechanical Flowmeter For Pipe Size 1 in Connection Size 1 in Connection Type FNPT Fluid Temp Range -40 Degrees to 140 Degrees F Wetted Materials Aluminum Buna N EPDM Flourocarbon Nickel PTFE Ryton(R) Stainless Steel Max Pressure 50 psi Flow Range 5 to 20 gpm Max Viscosity 50 SUS Liquid GPM Max 20 gpm Length 8 in Width 6 in Height 6 in Housing Material Aluminum Chamber Material Ryton/Stainless Steel Seal Material Viton(R) and Buna