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: Features both fixed and limited adjustable deadband settings, enhancing operational stability by preventing rapid cycling.
Wide Range of Switch Elements: A diverse selection of switch elements is available to adeptly meet a variety of application requirements.
Explosion-Proof Enclosure: This explosion-proof enclosure delivers absolute protection within hazardous environments.
Special Designs: Tailored special designs are available for NACE and fire applications, ensuring these switches thrive in demanding conditions.
SIL 3 Capability: Models in the B and D series achieve Safety Integrity Level (SIL) 3 standards, guaranteeing high reliability and safety for critical applications.


(hereinafter referred to as Hanshan Intelligent Technology Co., Ltd. group) commenced its illustrious journey amidst the dynamic landscape of Shanghai in 2013, heralding a transformative era in technological advancement.
The founding team, composed of seasoned professionals from global automation leaders, collectively brings over two decades of expertise in the automation industry, more than 20 years of experience in automation engineering, and a decade dedicated to consulting and implementing cutting-edge digital solutions. Their mission is unambiguous: to provide superior automation and digitization products and services to a global audience. Strategically headquartered in the vibrant city of Shanghai, China, the company is a beacon of technological excellence.
With over twenty years of rich legacy in the petrochemical sector, the company boasts unparalleled insights into the automation and digitalization needs across the full industry spectrum-upstream, midstream, and downstream. Offering professional-grade products and solutions meticulously crafted for the petroleum, chemical, electric power, biomedicine, APIs, food and beverage, liquor, metallurgy, and non-ferrous metal industries, they ensure comprehensive life-cycle service excellence.




You may have these questions
How do I select the right product?
A: Upon receiving your inquiry, our detailed technical dossier will furnish all necessary insights. This thorough documentation will allow you to accurately verify the process parameters and technical specifications relevant to your needs. Armed with this information, we can expertly recommend the model that aligns perfectly with your specific requirements.
I would like a confirmed model. Can you provide that?
A: Absolutely. Once you express interest in a specific model, we will carry out a meticulous verification process to ensure its suitability. Should there be any opportunities for cost-effective improvements, we will gladly offer optimization suggestions. Following your confirmation, we will prepare a formal quotation, tailored precisely to align with your objectives.