Dwyer 美國(guó)德威爾

1996系列氣體微差壓開關(guān) dwyer 德威爾

dwyer產(chǎn)品銷售產(chǎn)品選型產(chǎn)品報(bào)價(jià) 技術(shù)支持售后服務(wù)
美國(guó)德威爾壓差表流量計(jì) 差壓計(jì) 差壓開關(guān) 差壓變送器
產(chǎn)品廣泛應(yīng)用于暖通空調(diào) 食品制藥生物工程智能樓宇電廠化工水處理環(huán)境監(jiān)測(cè) 工業(yè)制造等領(lǐng)域
產(chǎn)品描述：美國(guó)Dwyer德威爾儀器儀表制造有限公司(Dwyer Instruments,Inc.)是一家對(duì)差壓、溫度、液位和流量的測(cè)量,變送和控制等方面擁有眾多精密儀器儀表產(chǎn)品并且在價(jià)格上有強(qiáng)競(jìng)爭(zhēng)力的儀器儀表制造公司。
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1996系列氣體微差壓開關(guān)
產(chǎn)品說明：
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.
產(chǎn)品規(guī)格：
Service: Air, natural & manufactured gas, LP gas.
Wetted Materials: Consult factory.
Temperature Limits: 32 to 110°F (0 to 43.3°C). -30 to 110°F (-34.4 to 43.3°C) for dry gas or dry air.
Pressure Limits: 45" w.c. (11.2 kPa) continuous; 10 psig (68.95 kPa) surge.
Switch Type: SPDT.
Electrical Rating: 15 A @ 120 to 480 VAC, 60 Hz. Resistive 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz.
Electrical Connections: 3 screw type, common, normally open, normally closed.
Process Connections: 1/8" female NPT or 1/4" male NPT.
Vent Connection: 1/8" female NPT.
Mounting Orientation: Diaphragm in horizontal position. Consult factory for other position orientations.
Set Point Adjustment: Screw type with visible indicator, inside conduit enclosure.
Weight: 1 lb 2.3 oz (349 g).
Agency Approvals: CE, CSA, FM, UL.

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產(chǎn)品標(biāo)準(zhǔn)

產(chǎn)品嚴(yán)格按照中國(guó) GB、HG 標(biāo)準(zhǔn)和美國(guó) API 等標(biāo)準(zhǔn)設(shè)計(jì)、制造、驗(yàn)收。密封面硬度達(dá)到國(guó)家規(guī)定要求，寬度超過國(guó)家標(biāo)準(zhǔn)。