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JRV-SF11減壓閥

■ FEATURES Various applications for construction equipment, various types of plant equipments and freezing machine field. 1. Because this valve is a pilot direct operated type, it does not need auxiliary equipment such as an electric and a compressed air. Its capacity is larger than direct operating valve. 2. Pressure adjusting range is wide and pressure adjusting range is easy. (JRV-SF11: 0.35~8kgf/㎠{0.035 ~ 0.8MPa}. JRV-SF21: 0.35~16kgf/㎠{0.035~1.6MPa}) 3. This valve has a built-in filter and the filter prevents mal-functions of valve due to the scale and impurities and shows an excellent performance ■ MATERIAL NO PART NAME JRV-SF11 JRV-SF21 1 Body CAST IRON CAST CARBON STEEL 2 Top Cover CAST IRON CAST CARBON STEEL 3 Main Valve STAINLESS STEEL STAINLESS STEEL 4 Main Valve Seat STAINLESS STEEL STAINLESS STEEL 5 Piston CAST BRONZE CAST BRONZE or CAST IRON 6 Cylinder CAST BRONZE CAST ST.ST 7 Pilot Valve STAINLESS STEEL STAINLESS STEEL 8 Pilot Valve Seat STAINLESS STEEL STAINLESS STEEL 9 Diaphragm STAINLESS STEEL STAINLESS STEEL 10 Adjust Screw BRASS BRASS 11 Adjust Spring CARBON STEEL CARBON STEEL 12 Spring Case CAST IRON CAST IRON 1.INLET PRESSURE 2~10 kgf/㎠{0.2~1.0MPa} 2~20 kgf/㎠{0.2~2.0MPa} 2.OUTLET PRESSURE 0.35~1.0, 1.0~8.0 kgf/㎠ {0.035~0.1,0.1~0.8MPa} 1.0~16.0 kgf/㎠ {0.1~1.6MPa} 3.MAX REDUCING RATIO 10 : 1 10 : 1 4.WORKING TEMP Max 220 ℃ Max 300 ℃ 5.WORKING FLUID S S 6.CONNECION 10KFF Flanged 20KRF Flanged Fluid symbol 1. S : Steam * NOTE 1. Please adjust the secondary pressure must be less than 80% of primary pressure 2. Minimum pressure differential across the disc.: 0.7kgf/㎠ {0.07MPa} 3. Leakage allowance: Less than 0.05% of rated flow 4. Hydrostatic test pressure: JRV-SF11: 15kgf/㎠{1.5MPa}, JRV-SF21: 30kgf/㎠ {3.0MPa} ■ Dimensions (Unit: mm) MODEL PART 15A 20A 25A 32A 40A 50A 65A 80A 100A 125A 150A 200A JRV-SF11 L 165 165 170 185 200 220 250 290 340 390 420 550 H1 75 75 75 85 85 92 110 130 155 180 195 250 H 270 270 270 275 275 283 310 350 370 500 535 615 JRV-SF21 L 200 200 200 225 230 250 280 310 320 350 395 560 H1 83 83 83 108 108 113 123 137 140 148 181 250 H 292 292 292 307 301 325 366 445 445 459 466 620 *ANSI flanges are available upon request. *Above product may change specification without any notice.
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