胤旭機(jī)電網(wǎng)最新報道 >> Potter Signal壓力開關(guān)_美國品牌_型號PS25-2_進(jìn)口PotterSignal開關(guān) : PS25低/高監(jiān)控壓力開關(guān)用于低差分干式和預(yù)調(diào)節(jié)閥 - 標(biāo)稱系統(tǒng)壓力25 psi Potter PS25系列監(jiān)控壓力驅(qū)動開關(guān)主要用于檢測自動消防噴淋系統(tǒng)中正常系統(tǒng)壓力的增加和/或減少。 典型應(yīng)用是：干……
PS25低/高監(jiān)控壓力開關(guān)用于低差分干式和預(yù)調(diào)節(jié)閥 - 標(biāo)稱系統(tǒng)壓力25 psi
Potter PS25系列監(jiān)控壓力驅(qū)動開關(guān)主要用于檢測自動消防噴淋系統(tǒng)中正常系統(tǒng)壓力的增加和/或減少。
典型應(yīng)用是：干管和預(yù)作用系統(tǒng)中的空氣/氮?dú)獗O(jiān)測，壓力罐，空氣供應(yīng)和供水。PS25-2有兩個開關(guān)。
低開關(guān)出廠設(shè)置為在壓力降低時以約18 psi(1,2 BAR)激活。高開關(guān)出廠設(shè)置為在壓力增加時在大約28 psi(1,9 BAR)下激活。
NFPA 72需要高壓和低壓條件的監(jiān)控信號。
PS25出廠設(shè)置為23 psi的正?？諝鈮毫?。參見“調(diào)整和測試”一節(jié)，如果需要出廠設(shè)定點(diǎn)以外的其他部分。PALL濾芯
| Technical Specifications | |
| Dimensions | 3.78”(9,6cm)Wx3.20”(8,1cm)Dx4.22”(10,7cm)H |
| Differential | Typical 1 lb. at 10 PSI (,07 at ,7 BAR) |
| 4 lbs at 60 PSI (,28 at 4,1 BAR) | |
| Cover: Die Cast Finish: Red Powder Coat | |
| Enclosure | base: Die Cast |
| All parts have corrosion resistant finishes | |
| Cover Tamper | Cover incorporates tamper resistant fastener that requires a special |
| key for removal. One key is supplied with each device. | |
| Factory Adjustment | PS25-2 operates on increase at 28 PSI (1,9 BAR) and on decrease |
| at 18 PSI (1,2 BAR) | |
| Contact Ratings | (2) SPDT (Form C) Switches |
| 10.1 Amps at 125/250 VAC, 2.0 Amps at 30 VDC | |
| Environmental | -40º F to 140ºF (-40ºC to 60ºC) |
| Limitations | NEMA 4/IP66 Rated Enclosure indoor or outdoor when used with |
| NEMA 4 conduit fittings | |
| Conduit Entrances | Two knockouts for 1/2” conduit provided. Individual switch |
| compartments and ground screw suitable for dissimilar voltages | |
| Service Use | NFPA 13, 13D, 13R, 72 |
| Pressure Connection | Nylon 1/2” NPT male |
| Pressure Range | 10-60 PSI (,7-4,1 BAR) |
| Maximum System | 300 PSI (20,68 BAR) |
| Pressure | |
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