CENTURY INSTRUMENT隔膜閥830-RV系列介紹
這種獨立的彈簧式隔膜減壓閥是自動操作的,無需空氣壓力或其他外部電源即可運行。尺寸為1/2"至8",適用于各種主體材料,襯里和隔膜,壓力釋放設(shè)置為10至150 psig。
非常適用于保護塑料或玻璃管道系統(tǒng)免受過壓,管道浪涌和水錘,隔離可能因真空條件而損壞的設(shè)備,將液壓頭保持在泵排放管路中或更換或在危險或腐蝕性過程中保護爆破片。
閥門將在預(yù)設(shè)壓力下釋放,然后在安全工作壓力恢復(fù)后自動重新安裝。從原始壓力設(shè)置調(diào)整在以下限制內(nèi)提供; 如果原始設(shè)置為30 psig或更高,則加或減20 psig。如果原始設(shè)置為10 psig,則可用調(diào)整加20 psig減去0 psig。
830-RV不是彈出式安全閥,因此它不能提供完全彈開式動作,但會在上升壓力下逐漸打開,并在下降壓力時逐漸關(guān)閉。重新密封后,氣密封閉通常會產(chǎn)生3至10 psig的壓力。低于釋放設(shè)定壓力,取決于設(shè)定點是極高還是低。
Model 830-RV Diaphragm Relief Valves
This self-contained, spring loaded diaphragm pressure relief valve is self-operated and requires no air pressure or other outside power source to function. Available in sizes 1/2" through 8" in a wide variety of body materials, linings and diaphragms and with pressure relief settings from 10 to 150 psig.
Ideal for applications such as the protection of piping systems of plastic or glass against over-pressure, pipe line surges and water hammer, to isolate equipment which might be damaged by vacuum conditions, to maintain a liquid head in a pump discharge line or to replace or protect rupture discs in hazardous or corrosive processes.
The valve will relieve at a preset pressure, then reseat itself automatically when safe working pressure is restored. Adjustment from the original pressure setting is provided within the following limits; plus or minus 20 psig. if the original setting is 30 psig. or higher. If the original setting is 10 psig. the adjustment available is plus 20 psig. minus 0 psig.
The 830-RV is not a pop-safety valve and therefore it does not provide full pop-open action but will gradually open on a rising pressure and gradually close on a falling pressure. Upon reseating, bubble-tight closure usually results at 3 to 10 psig. lower than the relieving set pressure depending on whether the set point is extremely high or low.
CENTURY INSTRUMENT隔膜閥830-RV-005參數(shù)表及尺寸圖
CENTURY INSTRUMENT隔膜閥830-RV系列
愛澤工業(yè)(IZE INDUSTRIES)特價經(jīng)銷、常用CENTURY INSTRUMENT隔膜閥型號:
CENTURY INSTRUMENT隔膜閥830-RV-005
CENTURY INSTRUMENT隔膜閥830-RV-0075
CENTURY INSTRUMENT隔膜閥830-RV-1
CENTURY INSTRUMENT隔膜閥830-RV-125
CENTURY INSTRUMENT隔膜閥830-RV-150
CENTURY INSTRUMENT隔膜閥830-RV-2
CENTURY INSTRUMENT隔膜閥830-RV-250
CENTURY INSTRUMENT隔膜閥830-RV-3
CENTURY INSTRUMENT隔膜閥830-RV-4
CENTURY INSTRUMENT隔膜閥830-RV-6
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CENTURY INSTRUMENT隔膜閥830-RV系列產(chǎn)品介紹