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尺寸小,價(jià)格低,1.4到20英寸水柱范圍
Reliable and convenient, the 1996-5 and 1996-20 Gas Pressure Switches serve as a compact, low cost switch for gas fired furnaces and equipment. Pressure ranges for both models are ideal for high or low gas pressure interlock. Visible set point and on-off indicators add convenience in servicing. Use either NO or NC contacts on SPDT switch. Bottom connection has both 1/8" female and 1/4" male threads for pipe nipple or coupling. Top connection vents diaphragm chamber to outside or to furnace combustion chamber. Mount switch with diaphragm in a horizontal position and gas pressure connection at bottom. Used with natural, manufactured or LP gas. Also see Model 1950G.
應(yīng)用及案例
? Gas furnaces
? Natural, manufactured or LP gas applications
產(chǎn)品特色
? Visible set point and on-off indicator simplifies operation and trouble shooting
? Compact size and low cost make it ideal for gas fired or gas equipment OEM applications
1996-20型氣體-空氣壓力開關(guān)。連接、尺寸和可視開-關(guān)指示器如圖所示。 注意設(shè)定點(diǎn)調(diào)整窗口。要調(diào)整開關(guān)設(shè)定點(diǎn),轉(zhuǎn)動(dòng)上方的螺絲直到紅棒到達(dá)所需設(shè)定點(diǎn)。完整說(shuō)明隨產(chǎn)品提供。
可靠而方便
1996-20型和1996-5型氣體壓力開關(guān)是一種適用于氣體燃燒爐和設(shè)備的小體積、低價(jià)位開關(guān)。寬達(dá)2"~20"的壓力范圍適用于高/低氣體壓力聯(lián)鎖??梢曉O(shè)定點(diǎn)和開-關(guān)指示器為開關(guān)的工作增添了方便。使用SPDT開關(guān)常開或常閉觸點(diǎn)。底部連接包括配合管道接頭或耦合器的1/8"陰螺紋和1/4"陽(yáng)螺紋連接。頂部連接使膜片室同外界或鍋爐的燃燒室相通。這種壓力開關(guān)可用于天燃?xì)怏w、人造氣體或LP氣體。
物理數(shù)據(jù)
溫度范圍:32°F (-30°F干氣體或空氣)~110°F
最大壓力波動(dòng):10 Psig
額定壓力:45 英寸水柱
壓力連接:1/8" 陰螺紋NPT或1/4" 陽(yáng)螺紋NPT
通風(fēng)孔連接:1/8" NPT
電氣額定值:15 Amps, 120-480 Volts, 60 Hz, A.C. 阻性1/8 H.P. @ 125 Volts, 1/4 H.P. @ 250 Volts, 60 Hz. A.C.
導(dǎo)線連接:3螺絲型,通用,常型和常閉
設(shè)定點(diǎn)調(diào)整:螺絲型,帶可視指示,在封裝內(nèi)。
開-關(guān)指示器:位于封裝外的窗口內(nèi)。一眼即可看出壓力是否在設(shè)定點(diǎn)之上。
外殼:鑄鋁外殼,帶防腐化學(xué)涂層。鍍鋅鋼標(biāo)志。
膜片:模制丁腈橡膠
校準(zhǔn)彈簧:不銹鋼
重量:1 Lb. 2 Ozs.