Jiwei Ring-11 Liquid Level Switch are with both Ex-approval and Intrinsically Safe Certification (Exia IIC T6、Exd IIC T6), is an ideal choice for chemical industry.

All Ring-11 run well in the process tank, and the precise measurements are unaffected by the high temperature of cooking oil. Quaker Foods trusts Jiwei product’s quality, replace all E+H fork switches to Jiwei Ring-11 Liquid Level Switches.

Tube-11 has higher reliability than other international brands’ instrument, so Fujian Zijin Mining changed all UWT level switches to Jiwei Tube-11 Vibrating Rod Level Switch.

Tube-11 Vibrating Rod Level Switches were installed on silos of electrostatic precipitators in the Shaoguan Power Plant

LIER-Chemical Group purchased Jiwei’s flame-proof Ring-11 Liquid Level Switches and Flap-11 Magnetic Level Indicators as their primary level measurement equipment.

Cape-11 RF Admittance Level Switch is a level meter for the level measurement of coal ash, fly ash and other powdery ashes. It possesses merits and benefits of other similar products on the market.

The robust design is unaffected by buildup of dust, coal ash and other powdery ashes in dust collectors and ash bunkers at power plants.

SW-11 Magnetic Switch is qualified with SIL2 / SIL3 Functional Safety Assessment, as well as certified for both Intrinsic Safety (Ex ia IIC T6 Ga) and Flameproof Enclosure (Ex d IIC T6 Gb) explosion protection.

SW-21 has been approved for both Explosion-proof Certifications (Flameproof Enclosure: Ex d IIC T6 Gb and Intrinsic safety: Ex ia IIC T6 Ga). Jiwei holds a utility patent (NO. 201821348285.8) on SW-21.

We offer two types of indicators for Ingress Protection rating IP65 and IP66/67 respectively. Designed with broader panel and greatly increases the visual distance and viewing angle.