705
1Pages

GATE VALVES Ductile iron Gate Valve inside screw bronze trim PN16 handwheel operated High Temperature Main characteristics • Manufactured in Italy in accordance with EN 1171 • Face-to-face length according to EN 558-1, basic series 14 • Flanged according to EN1092-2 PN10 with flat face (PN16 or other specifications on request) • Inside screw thread clockwise closing, adjustable stuffing box • Minimal pressure drop • Hydrostatically tested according to EN 12266-1: Test type P11-P12 Rate A • Pressure Equipment Directive 2014/68/UE Group 1 • 100% full bore • Gate valves are bi-directional and can be installed in any position. However, the preferred orientation is with the stem pointing vertically upwards. Corrosion protection Industrial plants Sea water use Fuel Aggressive fluids Tanks Shipyard Externally coated with Phenolic-oil resin with zinc-phosphate high corrosion resistance painting Grey Ral 7011 Hydrostatically tested according to EN 12266-1 (bar) Ratings (DN40 to DN200) Working temperature (°C) Max Working pressure (bar) P12 Seat Test water 18 Ratings (DN250 to DN300) Working temperature (°C) Max Working pressure (bar) Parts Screw Washer Handwheel Packing gland Packing Stuffing box Gasket Stem Bonnet Gasket Motherscrew Wedge DN 40-DN 100 Wedge DN 125-DN 300 Seats Body Nut Screw Tie rod Material Zinc-plated 8.8 carbon steel Zinc-plated carbon steel EN-GJL-250 grey cast iron EN-GJL-250 grey cast iron Ptfe EN-GJL-250 grey cast iron Fasit 205 Drawn brass-CW614N EN-GJS-400-15 ductile cast iron Fasit 205 Cast brass CB 754-S GM Cast bronze CuSn5Zn5Pb5-B EN-GJS-400-15 ductile cast iron Cast bronze CuSn5Zn5Pb5-B EN-GJS-400-15 ductile cast iron Zinc-plated 8.8 carbon steel Zinc-plated 8.8 carbon steel Zinc-plated 8.8 carbon steel EN_705 - Edition 09/2016 • Maran Peracini srl assumes no responsibility or liability for typographical errors or omissions and reserves the right to change without notice. MARAN E PERACINI srl Via Valduggia, 25 13011 Borgosesia (VC) - Italy Technical data DN F mm L mm H mm Weight Kg Handwheel Ø mm Turns open/close nr Max torque gate closing Nm Kvs value