台湾东光阀门

供应台湾TOP法兰截止阀20K的详细描述： (DG-206/DG-207) DUCTILE IRON GLOBE VALVE CLASS 20K MODEL : DG-206 / DG-207 * End Flanged Dimensions to JIS 20K. DG-206 Below 120℃ ………………………… 28 kgf/cm2 (SUS Disc) Below 220℃ Steam, Air, Gas, Oil … 25 kgf/cm2 300℃ Steam, Air, Gas, Oil ………… 23 kgf/cm2 350℃ Steam, Air, Gas, Oil ………… 20 kgf/cm2 DG-207 Below 120℃ ………………………… 28 kgf/cm2 (Teflon Disc) Below 180℃ Steam, Air, Gas, Oil … 20 kgf/cm2 Test Pressure Body 44 kgf/cm2 (Hydrostatic) Seat 32 kgf/cm2 (Hydrostatic) 6 kgf/cm2 (Air) Material: Model: DG-206 DG-207 Body FCD FCD Bonnet FCD FCD Stem SUS 410 SUS 410 Disc SUS 410 PTFE+15%GF Lock Nut FCD FCD Seat Ring SUS 410 SUS 410 Gland B 62 B 62 Gland Packing GRAPHITE GRAPHITE Packing Nut FCD FCD Handwheel FCD FCD Wheel Nut SS 41 SS 41 Gasket ASBESTOS SHEET Name Plate ALUMINUM ALUMINUM -------------------------------------------------------------------------------- DIMENSION mm inch 1/2 3/4 1 1.1/4 1.1/2 2 mm 15 20 25 32 40 50 L 110 120 130 160 180 230 H (open) 133 155 165 175 200 225 D1 80 100 120 120 140 180