backflow preventer 中文意思是什麼

backflow preventer 解釋
防止迴流設施
  • backflow : 倒流
  • preventer : n. 1. 防止者；預防者；防護設備，預防物；預防法，預防藥。2. 阻止者；妨礙物。3. 【航海】輔助索，保險索。
  1. Reduced pressure detector assembly backflow preventer

    減壓檢測器組合防迴流裝置
  2. Four required per backflow preventer

    每個防迴流閥需要四個。
  3. Laboratory faucet backflow preventer

    實驗室旋塞防迴流裝置
  4. For use with backflow preventer test cocks to protect from damage

    用於防迴流閥測試旋塞，防止受到破壞。
  5. Installing a backflow preventer in a pit or vault is not recommended

    不建議在坑內或拱頂內安裝防迴流閥。
  6. When a series 994 backflow preventer is installed for dead - end service applications, discharge from the relief vent may occur due to water supply pressure fluctuation during static no - flow conditions

    當系列994防迴流閥安裝在終端應用場合時，由於在靜止無流動情況下水供應壓力波動可能會從安全閥排放口產生排放。
  7. Model 9bd backflow preventer for vending machine water supply lines prevents backflow of carbon dioxide gas and carbonated water into the water supply system to vending machines, thus eliminating the hazardous reaction of carbon dioxide with copper tubing

    型號9bd防迴流閥適用於自動售貨機水供應管道，防止碳酸氣和碳酸水迴流到供水管道和自動售貨機內，因此避免了二氧化碳與銅管的危險反應。
  8. The geberit trap with its patented backflow preventer is concealed in a minimum of space beneath the washbasin and kitchen sink

    是所有浴室內最吸引人眼球的焦點，能保證徹底排凈浴缸和沐浴房的水。
  9. A check valve may be required ahead of the backflow preventer

    此時在防迴流閥前面可能需要安裝一個止回閥。
  10. The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer

    帶測試旋塞的關閉閥應該安裝在防迴流閥的進口側。
  11. Performance requirements for backflow preventer with intermediate atmospheric vent

    有中氣壓通風口的防迴流裝置的性能要求
  12. Devices to prevent pollution by backlow of potable water - hose union backflow preventer dn 15 to dn 32 - family h, type a

    防飲用水迴流污染的裝置.軟管接頭防迴流裝置dn 15至dn 32 . a型h系列
  13. A strainer should be installed as shown, ahead of backflow preventer to prevent disc from unnecessary fouling

    應該如圖所示安裝過濾器，使其位於防迴流閥之前，防止閥瓣產生不必要的積垢。
  14. The watts 994hmb fire hydrant backflow preventer meter meets or exceeds registration accuracy for the low flow rate, normal operating flow rate, and maximum continuous operation flow rate as specifically stated in awwa standard c701

    美國瓦茨994hmb消防栓防迴流閥儀表滿足或優於美國自來水廠協會（ awwa ） c701標準規定的最小流量、正常工作流量和最大持續工作流量的記錄精度。
  15. If relief valve discharge due to a failure of the backflow preventer second check valve is a concern, a second flood protection - shutdown valve should be located immediately downstream of the backflow prevention assembly

    如果認為防迴流閥的第二止回閥的故障導致安全閥排放現象應該得到處理，則應該在防迴流閥總成下游立即安置第二堵漏-關閉閥。
  16. The watts 994hmb fire hydrant reduced pressure backflow preventer meter is designed to protect the potable water system by preventing backflow through the fire hydrant

    美國瓦茨994hmb消防栓減壓防迴流閥儀表適用於保護飲用水系統，防止通過消防栓的迴流進入飲用水系統。
  17. In - line flow restrictor protects the meter measuring element and the backflow preventer components from damage due to excessive flow

    管內流量限制器保護儀表測量元件和防迴流閥部件不會因為過大的流量而受到損壞。
  18. Check the state and local codes to ensure that the backflow preventer is installed in compliance, such as the proper height above the ground

    咨詢州和當地規程，確保防迴流閥的安裝符合有關要求，如地面上適當的高度。
  19. Check the state and local codes to insure that the backflow preventer is installed in compliance, such as the proper height above the ground

    了解州和當地規程，確保防迴流閥的安裝符合有關要求，如地面以上適當的高度。
  20. Watts 994hmb fire hydrant backflow preventer meter construction consists of : meter housing, measuring element, permanently sealed register, and reduced pressure backflow preventer in unitized assembly

    美國瓦茨994hmb消防栓防迴流閥儀表結構包括：儀表殼，測量元件，永久性密封記錄器，和在成套總成內的減壓防迴流閥。
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