磁力联动装置,UL认证 V7系列Flotect流量开关是一种廉价的流量开关,可与兼容液体一起使用,在出现流动或无流动情况时启动或停止电子操作设备。设计为标准防风雨设计,符合NEMA 4X。 产品应用 当通过加热线圈的气流发生故障时,锅炉流量的证明会关闭燃烧器保护泵、电机和其他设备,防止低流量或无流量液体冷却发动机,当冷却液流动中断时的机器和处理 特点 磁力驱动开关设计提供了优越的性能 具有一个自由摆动的叶片,它吸引了固体金属开关体内的磁铁,通过一个简单的杠杆臂驱动一个速动开关,没有波纹管、弹簧或密封件失效 下阀体是实体加工的确保无泄漏点的金属棒料,无论机组运行多长时间 坚固的叶片设计是刚性的,并且可在现场调节设定值
Service:Liquids compatible with wetted materials that are non-coating and noncrystallizing.
Wetted Materials:Vane: 301 SS, Process connection: Brass or 316 SS, Magnet: Ceramic, Other: 301, 302 SS.
Upper Body Material:Die cast aluminum.
Temperature Limits:-40 to 250°F (-40 to 121°C).
Pressure Limits:250 psi (17.2 bar).
Enclosure Rating:Weatherproof, meets NEMA 4X (IP66).
Switch Type:SPDT snap switch.
Electrical Rating:10 A @ 125, 250, 480 VAC; 1/8 hp @ 125 VAC, 1/4 hp @ 250 VAC.
Electrical Connections:3 screw type, common, normally open and normally closed.
Conduit Connection:1/2" NPSM.
Process Connection:1" male NPT. Contact factory for optional tees.
Pipe Size:1" to 4".
Mounting Orientation:
Horizontal or vertical (actuation flow rates are based on horizontal pipe runs in the vertical position). Will not work in vertical pipe with down flow.
Set Point Adjustment:Vane is trimmable, see set point chart on Catalog page.
Weight:1 lb 2 oz (500 g).
Agency Approvals:CE, UL.
Model Chart
EXAMPLE |
V7 |
W |
B |
S |
3 |
0 |
N |
ST |
Series V7-WBS-30N-ST Flotect® Vane Operated Flow Switch, weatherproof, brass lower body, SPDT, 1" male NPT, trimmable vane, with stainless steel tag. |
SERIES |
V7 |
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Flotect® Vane Operated Flow Switch |
CONSTRUCTION |
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W |
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Weatherproof |
LOWER BODY |
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B S |
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Brass 316SS |
CIRCUIT TYPE |
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S |
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SPDT |
CONNECTION SIZE |
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3 |
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1" |
VANE SIZE |
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0 |
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Full Length Vane with Template |
TEE & TEE MATERIAL |
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N |
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No Tee |
OPTIONS |
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ST RV |
Stainless Tag Tag Reinforced Vane | |