DIN Gate Valve F7 Series PN40 160, DN15 600 Design and manufacture: DIN3352 Face to face: DIN3202-F7, EN558-1 End flange Dimensions: DIN2545, 2546, 2547, EN1092-1 Pressure test: DIN3230, EN12266-1 The size of serial, valve connecting flange can be design according to customers' requirement.