Body：Ductile iron grade 500-7/ 450-12 in accordance with ISO 1083.PN10,PN16 or PN25 drilling in accordance with ISO 7005-2/EN 1092-2
Fluid temperature: 0°C-50°C，excluding frost
Externall coatings: 1. zinc coating +bitumen painting 2. liquid epoxy painting 3. epoxy applied by FBE
Internall coatings：1. cement mortar lining 2. liquid epoxy painting 3. epoxy applied by FBE according to customers' requirements.