Ambient Temperature Range: | -20°F to 150°F (-28°C to 65°C) |
Process Temperature | 0°F to 150°F ; 20°F to 300°F ; 0°F to 300°F (SS or Monel diaphragm) |
Pressure Ranges | Pressure: Vac-3000psi; Differential: 0-600psi; Hydraulic: 1000-7500psi |
Setpoint | Factory set or field adjustable |
Repeatability | ±1% of full range (Additional setpoint shift ...) |
Enclosure Rating | B4/H4: NEMA 4X, IP66; B7: NEMA 7/9, IP66 |
Enclosure Material | Epoxy coated aluminum (standard); Optional: 316 stainless steel |
Diaphragm Material | Buna N, SS, Monel |
Pressure Connection | ¼ NPT Female (standard); Optional: ½ NPT Female, ¼ NPT Female & ½ NPT Male combo |
Electrical Output | SPDT or DPDT |
Electrical Termination | ¾ NPT Female (standard); Optional: ½ NPT Female, M20 X 1.5 |
Approvals | UL E34743 (B4/D4); E38812 (B7/D7); CSA: 55541; ATEX: Sira 02ATEX1391X (B7/D7 with XCN); CSAE 21UKEX1056X (B7/D7 with XCN); IECEx SIR 14.0077X; FM: Limit Contol and Steam Limit Control |
Deadband Settings: Choose from fixed or limited adjustable deadband settings, expertly designed to maintain operational stability by mitigating rapid cycling.
Wide Range of Switch Elements: A diverse array of switch elements is at your disposal, ensuring compatibility with a myriad of application needs.
Explosion-Proof Enclosure: Our explosion-proof enclosures deliver steadfast protection in hazardous settings, ensuring safety without compromise.
Special Designs: Tailored special designs meet NACE and fire application standards, making these switches the go-to choice for demanding environments.
SIL 3 Capability: The B and D series boast SIL 3 capability, a testament to their reliability and safety for critical application scenarios.


(Hereinafter referred to as Hanshan Intelligent Technology Co., Ltd. group) began its illustrious journey in Shanghai in 2013, heralding a new epoch in technological innovation.
Led by a founding team steeped in global experience from automation giants, our company boasts an impressive two decades in automation, over 20 years in engineering, and a decade in consulting and implementing avant-garde digital solutions. Our mission is to deliver premier automation and digitalization products and services worldwide. Strategically based in vibrant Shanghai, China, we epitomize technological excellence.
With over 20 years of experience in the petrochemical industry, we possess unmatched insights into automation and digitalization needs across the industry spectrum-upstream, midstream, and downstream. Our professional-grade products and comprehensive solutions are expertly crafted for the petroleum, chemical, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metal industries, guaranteeing excellence throughout the product life-cycle.




You may have these questions
How do I select the right product?
A: Upon receiving your inquiry, our detailed technical dossier will equip you with all the essential insights. This comprehensive documentation allows you to thoroughly assess the process parameters and technical specifications relevant to your requirements, empowering us to recommend the model that perfectly fits your needs.
I would like a confirmed model. Can you provide that?
A: Certainly. Once you indicate the model of interest, we will meticulously verify its suitability for your application. Should there be opportunities for cost-efficient improvements, we will provide you with tailored optimization suggestions. Following your confirmation, a formal quote, crafted to align with your objectives, will be promptly issued.