retz動態壓差平衡閥外在高壓端測壓頭帶有鎖閉閥，低壓腔體導壓孔內建，避免了現場安裝的磕碰。廣泛應用於恆定空調或供熱系統中控制閥、末端裝置或管網之路供水之間的壓差，避免管網壓差變化對其動態干擾，實現動態水力平衡retz the dynamic differential pressure balance valve is equipped with a locking valve on the high-pressure end of the external pressure measuring head, and the low-pressure chamber has a built-in pressure guide hole to **oid collisions during on-site installation. it is widely used in constant air conditioning or hydronics to control the pressure difference between control valves, terminal equipment or water supply on the way of pipe network, so as to **oid the dynamic interference of pipe network pressure difference changes and achieve dynamic hydraulic balance
進口動態壓差平衡閥技術引數 technical paramete
進口動態壓差平衡閥採用平衡膜片和彈簧均為內建設計，自動恆定壓差的的平衡閥，通過手動旋鈕即可設定目標壓差值，使用內六角扳手旋轉可實現手動關閉功能 retz the imported dynamic differential pressure balance valve adopts the built-in design of the balance diaphragm and spring. for the balance valve with automatic constant differential pressure, the target differential pressure can be set through the manual knob, and the function of manual closing can be realized by rotating the hexagonal wrench
進口動態壓差平衡閥效能特點∶ performance characteristics
手動關閉功能，用通用內六角扳手旋轉即可實現retz manual closing function can be realized by rotating with a universal allen wrench
自力式壓差控制，不需要外部動力源，恆定被控壓差 self operated differential pressure control, without external power source, constant controlled differential pressure
可現場設定壓差值，可控壓差範圍廣 the pressure difference can be set on site, and the controllable pressure difference range is wide
手輪帶有壓差設定指示，具有關斷功能 the handwheel is provided with a pressure difference setting indication and a shut-off function
外接高壓端側壓頭，該測壓頭帶有鎖閉閥 external high-pressure side pressure head with locking valve
通過手動輪設定目標壓差值，操作更加簡便直觀 set the target pressure difference through the manual wheel, and the operation is more **and intuitive
進口動態壓差平衡閥選型引數。
尺寸：f2"-8" size: f2 "-8"
工作溫度：-10~120℃ working temperature: -10 ~ 120 ℃
承壓等級：pn16 pressure bearing grade: pn16
控制精度∶ ±8% control accuracy: ±8%
壓差設定範圍∶20~80kpa或40~160kpa pressure difference setting range: 20 ~ 80kpa or 40 ~ 160kpa
工作介質∶冷熱水、乙/丙二醇溶液 working medium: cold and hot water, ethylene / propylene glycol solution
連線方式∶法蘭 connection method: flange
零部件材質 component material
閥體：球墨鑄鐵qt450-10 valve body: ductile iron qt450-10
閥座：不鏽鋼 valve seat: stainless steel
閥芯：不鏽鋼304 valve core: stainless steel 304
閥桿∶不鏽鋼304 valve stem: stainless steel 304
彈簧：不鏽鋼304 spring: stainless steel 304
膜片：epdm diaphragm: epdm
密封：氟橡膠 seal: fluororubber
手輪壓：鑄鋁 handwheel press: cast aluminum
測量嘴：不鏽鋼 measuring nozzle: stainless steel
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