Housing and ball made of AISI 316. Sealing material PTFE / glass fibre 15%. For screw pin to DIN 3852 Part 2 Form A. We reserve the right to alter dimensions. Please note the pressure-temperature diagram. G: with parallel BSP thread to EN ISO 228-1. G-M3: with parallel BSP thread to EN ISO 228-1, length conforms to DIN 3202 M3. All products are developed and manufactured in accordance with Article 4.3 of the European Pressure Equipment Directive PED 2014/68/EU. Products with nominal diameters of more than 25 mm up to and including 32 mm must not be used for pumping liquid or gaseous fluids of group 1 (hazardous) according to the Pressure Equipment Directive PED 2014/68/EU. Products with nominal diameters greater than 32 mm may only be used for pumping group 2 (non-hazardous) liquid fluids according to the Pressure Equipment Directive PED 2014/68/EU. If used with other media, a review by Schwer Fittings should be requested.