Diaphragm Valves Diaphragm Valves, Series RMC Weir type Diaphragm Valves, Series RMD Straight Through type Straight Pattern, to BS:5156, DIN:3202-F1 of cast iron, cast carbon steel, cast stainless steel, other alloys also rubber-lined cast iron or cast carbon steel (only Flanged) Range of application Size mm Pressure rating bar Hyd. test pressure in bar for Body Seat 6-50 16.00 24.00 16.00 65-100 10.50 15.75 10.50 125-150 10.00 15.00 10.00 200 7.00 10.50 7.00 250-350 6.00 9.00 6.00 FLANGES : Size 15 - 80 ...connecting dimensions and thickness to BS - 10 Table `F' (BS :5156) FLANGES : Size 100 - 350 ...connecting dimensions and thickness to ANSI B 16-1 Class 125 lbs(BS :5156) FLANGES : Size 15 - 350 ...connecting dimensions and thickness to BS : 4504, PN-10 / PN-16 (DIN : 3202 -F1) Standard screwed ends : Size 6-100 ...to have BS : 21 - (parallel or taper-threads) or ANSI / ASME B1.20.1 (NPT) threads. Socket weld ends & Buttweld ends : Size 6-100 as per ANSI B 16.11 & ANSI B 16.25 suitable for schedule 40 /40S respectively.