Specification Details Design Std: EN 1074 part 1 & 2, BS5163 Type B Size:DN40--DN1000 Pressure Rating: PN16,PN10 Seat: NBR,EPDM Face to Face:EN 558 Table 2 Basic Series 3 Pressure Testing: EN 1074-1 and 2 / EN 12266 Body/Bonnet: Ductile iron EN-GJS-500-7/EN 1563 Flange Ends: DIN EN1092-2/Type B Working temperature:-10 to +120°C Valve Description Resilient-seated gate valves according to European standard BS5163 with straight, smooth and non-constricted passage. Internally enamel, externally EKB. For water, air and non-aggressive gases