ERDCO 公司成立于1946，提供了包括可变面积、转子流量计、透平和热分散型流量计在内的流程、环境、水处理和暖通空调行业的流量测量。这些坚固的仪器被指定用于测量公用液体、气体和蒸汽。典型的流体包括水、空气、冷却剂、蒸汽、润滑剂和氮气等等。
ERDCO 致力于为客户提供可靠、易用的流量和液位测量仪器。这一焦点出现在工程、制造和市场营销中。全球主要市场的技术型公司提供ERDCO 产品。工厂直接应用协助可帮助您确定zui具成本效益的解决方案。
产品特点:
瞬时流量测量。
可调低/或高流量限制开关。
适用于水平或垂直管道系统。
单独校准流体和操作条件。
用户可选择10:1关闭流量范围。
用户可选择的度量单位。
没有浮体卡住，管道破裂或动态密封泄漏。
较低的压力损失。
产品参数:
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
产品选型 :
| 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″ |
产品应用:
空气/气体/油/不透明液体/透明液体/真空/水
