"

球盟会体育网址|网站拥有全球最顶尖的原生APP,每天为您提供千场精彩体育赛事,球盟会体育网址|网站更有真人、彩票、电子老虎机、真人电子竞技游戏等多种娱乐方式选择,球盟会体育网址|网站让您尽享娱乐、赛事投注等,且无后顾之忧!

              "
              Location:PRODUCTS >> Metallurgical valve >> Manual worm gear blind valve
              Manual worm gear blind valve
              Model: F343CX
              Nominal diameter: DN300 ~ 2000mm
              Nominal pressure: PN0.05 ~ 0.25MPa
              Suitable temperature: -20 ℃ ~ 300 ℃
              Suitable temperature: 200 ℃ (silicone rubber) 300 ℃ (Viton)
              Design criteria: API 600, API6D, ASME B16.34 , GB / T 12234
              Structure length: ASME B16.10, API6D, GB / T 12221
              Connector Standard: ASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
              Pressure test: API 598, GB / T 13927, JB / T 9092
              Pressure - Temperature class: ASME B16.34 , GB / T 12224

              First, the structural characteristics

              The manual worm gear blind valve is mainly composed of the left valve body, the right valve body, the screw rod pair, the flap, the seal ring, the lever, the worm gear and other components. The rigid base body and the support column form a rigid structure body. Rubber ring embedded in the flap, with high temperature, good sealing performance, easy replacement, long service life and so on.


               Second, the main performance parameters

              Nominal pressure MPa 0.25 0.15 0.10 0.05
              Seal test pressure MPa 0.275 0.165 0.11 0.055
              Strength test pressure MPa 0.40 0.225 0.15 0.075
              Drive source Compressed air 0.4-0.6MPa; Hydraulic pressure 6.3MPa; 3-phase 380V50HZ
              Applicable temperature ℃ Nitrile rubber Silicone Rubber fluororubber
              -20-100 -20-200 -20-300
              Suitable media Gas and other toxic, harmful, flammable gas
              Opening and closing time S ≤60
              The main components of the material Valve body, the gate for the carbon steel; screw for the alloy steel; nut manganese copper alloy, ductile iron; expansion device for stainless steel


              Third, the main connection size:

              DN D D1 b n-φd L
              300 440 395 22 12-φ22 500
              350 490 445 22 12-φ22 500
              400 540 495 22 16-φ22 600
              450 595 550 24 16-φ22 600
              500 645 600 24 16-φ22 600
              600 755 705 24 20-φ26 600
              700 860 810 26 24-φ26 800
              800 975 920 26 24-φ30 800
              900 1075 1020 28 24-φ30 800
              1000 1175 1120 30 28-φ30 800
              1100 1275 1220 30 28-φ30 800
              1200 1375 1320 30 32-φ30 800
              1300 1475 1420 32 32-φ30 800
              1400 1575 1520 32 36-φ30 850
              1500 1675 1620 32 36-φ30 850
              1600 1790 1730 32 40-φ30 850
              1800 1990 1930 32 44-φ30 1100
              2000 2190 2130 32 46-φ30 1100


              QQ
              0086 021-69755272
              qrCode