ERDCO 公司成立于1946，提供了包括可變面積、轉(zhuǎn)子流量計(jì)、透平和熱分散型流量計(jì)在內(nèi)的流程、環(huán)境、水處理和暖通空調(diào)行業(yè)的流量測(cè)量。這些堅(jiān)固的儀器被指定用于測(cè)量公用液體、氣體和蒸汽。典型的流體包括水、空氣、冷卻劑、蒸汽、潤(rùn)滑劑和氮?dú)獾鹊取?br /> ERDCO 致力于為客戶(hù)提供可靠、易用的流量和液位測(cè)量?jī)x器。這一焦點(diǎn)出現(xiàn)在工程、制造和市場(chǎng)營(yíng)銷(xiāo)中。全球主要市場(chǎng)的技術(shù)型公司提供ERDCO 產(chǎn)品。工廠直接應(yīng)用協(xié)助可幫助您確定zui具成本效益的解決方案。
產(chǎn)品特點(diǎn):
瞬時(shí)流量測(cè)量。
可調(diào)低/或高流量限制開(kāi)關(guān)。
適用于水平或垂直管道系統(tǒng)。
單獨(dú)校準(zhǔn)流體和操作條件。
用戶(hù)可選擇10:1關(guān)閉流量范圍。
用戶(hù)可選擇的度量單位。
沒(méi)有浮體卡住，管道破裂或動(dòng)態(tài)密封泄漏。
較低的壓力損失。
產(chǎn)品參數(shù):
Accuracy: ±2% full scale
Repeatability: ±1% full scale
Scales: Direct reading
Resolution: Maximum-30 division/Minimum-15 divisions
Rangeability: 10 to 1 turndown
Switch/Type:
Hermetically sealed reed switch Contact rating: 0.25A @ 120 Vac 1.5A @ 24V dc
Adjustment limits: 20-50% full scale-low limit 50-90% full scale-high limit 30% differential between low and high
Dead Band: 7% full scale
Materials of Construction:
Housing: Aluminum, brass, 70/30 copper/nickel, 316 stainless steel
Shunt: As housing or carbon steel
Window: Tempered glass or polycarbonate
Vane: Cobalt/chromium/nickel alloy with Teflon ? encapsulated magnet
“O” rings: buna-n, ethylene propylene, Viton? or perfluoroelastomer
Piping Connections:
1/2” to 1″ NPT female
1 1/4” to 4″ NPT male
1 1/2” to 3″ Tri-clamp
1 1/4” to 6″ Grooved
1 1/4” to 6″ Beveled
1/2” to 8″ 150# /300# RF/FF ANSI Flanges (carbon stl)
1/2” to 8″ 150# RF ANSI Flanges (stainless stl)
1/2” to 6″ 150# RF ANSI Flanges (aluminum)
1/2” to 6″ 150# FF ANSI Flanges (brass)
15 to 25 mm DIN 2999/BS21/ISO R7 Female threaded
15 to 150 mm DIN PN 10 Flanges (316 stainless stl & carbon stl)
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Pressure Limits:
1 Housing (aluminum) 0, 1 or 5 Shunt-200 psig (13.8 bar)
2 Housing (brass) 0 Shunt-400 psig (27.6 bar) 2 or 5 Shunt-200 psig (13.8 bar)
6 Housing (316 stainless stl) 0 Shunt-400 psig (27.6 bar) 5 or 6 Shunt-200 psig (13.8 bar)
7 or 8 Shunt-400 psig (27.6 bar)
8 Housing (high pressure 316 stainless stl) 0 Shunt-1000 psig (69 bar)
Temperature Limits:
-23 to 121°C (-10 to 250°F) with buna-n o-ring
-23 to 204°C (-10 to 400°F) with Viton?, Kalrez? or ethylene propylene o-ring
產(chǎn)品選型 :
| eries | Description | Applications | Functions | Features | Materials | Pressure Limits |
Temperature Limits |
Pipe Sizes |
| 3500 | Flow rate meter with lo/hi limit switches | Liquids, gases or steam | Direct reading flow rate
Lo/Hi switches |
Meter w/ adjustable switches
Opaque fluids OK Calibrated for application conditions |
Aluminum, brass, 316 sst or (Haste alloy 1/2-1″) | 200 psig1/2 – 12″
400 psig1/2 – 6″ 1000 psig?1/2 – 1″ |
400oF 400oF rating requires epm or viton o-ring |
1/2″- 12″ |
產(chǎn)品應(yīng)用:
空氣/氣體/油/不透明液體/透明液體/真空/水
