Công tắc dòng chảy chống nổ System Sensor WFD25EXP Công tắc dòng chảy chống nổ System Sensor WFD25EXP Công Tắc Dòng Chảy System Sensor WFD25EXP
Thông số kỹ thuật
Mã sản phẩm : WFD25EXP
Thương hiệu : SYSTEM SENSOR
Xuất xứ : Trung Quốc
Conduit Entrances : Two openings for 1/2" conduit
Contact Ratings : Two sets of SPDT (Form C); 10.0A @ 125/250VAC; 2.5A @ 24VDC​
Enclosure Rating : UL NEMA 4
Hazardous Location Classifications : Class I, Div 1, Groups B, C, D; Class II, Div 1, Groups E,F,G; Class III, Div 1​
Maximum Surge : 18 FPS
Operating Temperature Range : 32°F to 120°F (0° to 49°C)
Overall Dimensions : 6"H x 9"L x 6.5"W
Pipe Schedule : 10 through 40
Pipe Size : 2.5"
Shipping Weight : 10.7 lbs.
Triggering Threshold Bandwidth Flow Rate : 4-10 GPM
UL Pressure Rating : 450 PSI
Warranty : 3 years
System Sensor WFD25EXP Nút ấn báo cháy System Sensor Số lượng: 100 cái


  • Công tắc dòng chảy chống nổ System Sensor WFD25EXP

  • Công Tắc Dòng Chảy System Sensor WFD25EXP
    Thông số kỹ thuật
    Mã sản phẩm : WFD25EXP
    Thương hiệu : SYSTEM SENSOR
    Xuất xứ : Trung Quốc
    Conduit Entrances : Two openings for 1/2" conduit
    Contact Ratings : Two sets of SPDT (Form C); 10.0A @ 125/250VAC; 2.5A @ 24VDC​
    Enclosure Rating : UL NEMA 4
    Hazardous Location Classifications : Class I, Div 1, Groups B, C, D; Class II, Div 1, Groups E,F,G; Class III, Div 1​
    Maximum Surge : 18 FPS
    Operating Temperature Range : 32°F to 120°F (0° to 49°C)
    Overall Dimensions : 6"H x 9"L x 6.5"W
    Pipe Schedule : 10 through 40
    Pipe Size : 2.5"
    Shipping Weight : 10.7 lbs.
    Triggering Threshold Bandwidth Flow Rate : 4-10 GPM
    UL Pressure Rating : 450 PSI
    Warranty : 3 years


Xuất xứ
 
Công tắc dòng chảy chống nổ System Sensor WFD25EXP
System Sensor WFD25EXP explosion-proof waterflow detector for use with 2.5" pipe is designed to handle extreme conditions. It offers unique features that assure greater operational reliability. By housing the spring mechanism separately from the explosion environment, the sensitivity of the adjustment spring and the detector is protected at all times. Adding to WFD20EXP’s reliability is its sealed retard mechanism, which prevents contamination by dust and dirt when the cover is removed. Designed for both indoor and outdoor use, the detector operates across a wide temperature range.
These units are ideal for installation in hazardous locations classified as follows:

Class I, Groups B, C, D, Division 1 & 2
Class II, Groups E, F, G, Division 1 & 2
Class III, Division 1 & 2
Robust Construction. The WFDEXP series consists of a rugged, NEMA 4-rated cast aluminum housing. Designed for both indoor and outdoor use, the WFDEXP series operates across a wide temperature range, from 32°F to 160°F. Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a rugged terminal block to assure reliable performance.
Reliable Performance. The WFDEXP series offers unique features that assure greater operational reliability. By housing the spring mechanism separately from the explosion environment, the sensitivity of the adjustment spring and the detector is protected at all times. Adding to WFDEXP’s reliability is its sealed retard mechanism, which prevents contamination by dust and dirt when the cover is removed.
Simplified Operation. Like all System Sensor waterflow detectors, the WFDEXP series is designed for easy installation. With its visible switch activation, the WFDEXP’s retard timing can be verified, even during noisy conditions.
Thông số kỷ thuật
Mã sản phẩm : WFD25EXP
Thương hiệu : SYSTEM SENSOR
Xuất xứ : Trung Quốc
Conduit Entrances : Two openings for 1/2" conduit
Contact Ratings : Two sets of SPDT (Form C); 10.0A @ 125/250VAC; 2.5A @ 24VDC​
Enclosure Rating : UL NEMA 4
Hazardous Location Classifications : Class I, Div 1, Groups B, C, D; Class II, Div 1, Groups E,F,G; Class III, Div 1​
Maximum Surge : 18 FPS
Operating Temperature Range : 32°F to 120°F (0° to 49°C)
Overall Dimensions : 6"H x 9"L x 6.5"W
Pipe Schedule : 10 through 40
Pipe Size : 2.5"
Shipping Weight : 10.7 lbs.
Triggering Threshold Bandwidth Flow Rate : 4-10 GPM
UL Pressure Rating : 450 PSI
Warranty : 3 years
Features

•        New WFD30-2EXP models install in 2˝ hole sizes
•        Designed and approved to operate in hazardous locations
•        NEMA 4 enclosure rating
•        Sensitivity-setting spring mechanism located outside of explosion environment
•        Sealed retard mechanism
•        Visual switch activation
•        Synchronized activation circuit
•        Field-replaceable terminal block and retard mechanism
•        Only one conduit entrance required for hook-up
 

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