DTFW系列液体变面积流量计测量水的流量，测量精度为全尺寸的±2%。 持久的金属结构确保了巨大的兼容性和强度，以承受系统压力高达3000 psig (200 bar)。 可提供1/4"、1/2"和1"连接，结构可选用优质黄铜或不锈钢。 来预先校准水平在线安装。
耐用的金属结构确保了高可靠性和强度，可承受高达3000 psig (200 bar)的系统压力 防震结构，不同于玻璃管可变面积流量计，使用寿命长可在高温、高振动、易冲击的环境下精确预成型
产品应用
根据油槽、液压设备、燃气设备、换热器底部和顶部的压力差，监测过滤器或过滤器之间的压降
Service:DTFW: Compatible liquids; DTFA: Compatible gases.
Wetted Materials:
Body: 316 SS, brass or aluminum; Spring: 302 SS or PTFE-coated; Range spring: 302 SS; Magnet: PTFE-coated; Metering cone: Acetal or PTFE; Seals: Buna.
Temperature Limits:-40 to 200°F (-40 to 93°C).
Pressure Limits:
DTFW-3S: 1500 psig (100 bar); All other DTFW models: 3000 psig (200 bar); DTFA: 3000 psig (200 bar).
Accuracy:Liquid/oil calibration: ±2% FS; Air calibration: ±5% FS.
Repeatability:±1% FS.
Size:Diameter dial face 2.5" (63.5 mm).
Process Connection:See model chart on catalog page.
Weight:
DTFW-1B and 1S: 3 lb (1.36 kg); DTFW-2B and 2S: 5 lb (2.27 kg); DTFW- 3S: 10 lb (4.54 kg); DTFA-1A: 3 lb (1.36 kg); DTFA-2A: 5 lb (2.27 kg).
| Model |
Description |
| DTFW-1B-1W |
Range 0-1 GPM water, 1/4" npt, brass body |
| DTFW-1B-2W |
Range 0-2 GPM water, 1/4" npt, brass body |
| DTFW-1B-3W |
Range 0-3 GPM water, 1/4" npt, brass body |
| DTFW-1B-4W |
Range 0-4 GPM water, 1/4" npt, brass body |
| DTFW-1B-5W |
Range 0-5 GPM water, 1/4" npt, brass body |
| DTFW-1S-1W |
Range 0-1 GPM water, 1/4" npt, ss body |
| DTFW-1S-2W |
Range 0-2 GPM water, 1/4" npt, ss body |
| DTFW-1S-3W |
Range 0-3 GPM water, 1/4" npt, ss body |
| DTFW-1S-4W |
Range 0-4 GPM water, 1/4" npt, ss body |
| DTFW-1S-5W |
Range 0-5 GPM water, 1/4" npt, ss body |
| DTFW-2B-10W |
Range 0-10 GPM water, 1/2" npt, brass body |
| DTFW-2B-1W |
Range 0-1 GPM water, 1/2" npt, brass body |
| DTFW-2B-2W |
Range 0-2 GPM water, 1/2" npt, brass body |
| DTFW-2B-3W |
Range 0-3 GPM water, 1/2" npt, brass body |
| DTFW-2B-4W |
Range 0-4 GPM water, 1/2" npt, brass body |
| DTFW-2B-5W |
Range 0-5 GPM water, 1/2" npt, brass body |
| DTFW-2B-8W |
Range 0-8 GPM water, 1/2" npt, brass body |
| DTFW-2S-10W |
Range 0-10 GPM water, 1/2" npt, ss body |
| DTFW-2S-1W |
Range 0-1 GPM water, 1/2" npt, ss body |
| DTFW-2S-2W |
Range 0-2 GPM water, 1/2" npt, ss body |
| DTFW-2S-3W |
Range 0-3 GPM water, 1/2" npt, ss body |
| DTFW-2S-4W |
Range 0-4 GPM water, 1/2" npt, ss body |
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