flange cast steel gate valves summary:

flange cast steel gate valve opening and closing is ram, turn the handwheel, by hand wheel and screw thread of the valve stem of the advance and retreat, lifting or lowering the valve plate connected with the Industrial Valves stem, reach the role of opening and closing. Direction and perpendicular to the direction of flow of the gate is used as a cut-off media, through the entire circulation when fully open, the medium run minimal pressure loss. Flange cast steel gate valves are normally applied to don't need to often open/close, and keep the gate full open or full close condition, is not suitable for use as regulating or throttling. Flanged gate Industrial Valves fluid resistance small, apply pressure and temperature range is big, medium flow direction is not restricted, sealed performance is good. Flange cast steel gate valves are widely used in petrochemical, oil, steam pipeline, such as coal-fired power plants connected or truncate the medium inside the pipe opening and closing device. Flange cast steel gate valves parameters: type of nominal pressure ( MPa) Experimental pressure working temperature ( ℃) Applicable medium intensity of water ( MPa） Seal ( Water) Air ( MPa） Low pressure sealing air ( MPa） Z41H - 16 cz41w - 16P( R) 1. 62. 41. 80. 6≤ Nitrate class Z41W - 425 25P( R) 2. 53. 82. 80. 6≤ 200 class Z41W - acetic acid 40P( R) 4. 06. 04. 40. 6≤ Nitrate class Z41W - 200 60P( R) 6. 49. 67. 00. 6≤ 200 class acetate

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