Noshok’s 100 Series Mechanical Pressure Switch is designed for robust performance across a wide variety of industrial environments. Featuring a diaphragm-type sensing element and an external adjustment screw, it allows quick and easy on-site switching point adjustments. The switch supports pressure adjustment ranges from vacuum up to 6,000 psi, depending on the model. Variants include 100V (Brass/NBR), 100L (Brass/Polyimide), and 100H (Zinc-nickel/NBR), providing flexibility to suit different media and process requirements. Compact and RoHS compliant, this switch is a cost-effective solution without compromising reliability.

• Hydraulic and pneumatic systems, HVAC, water treatment, compressors, process automation, and industrial machinery.

• Pressure Range: Vacuum through 6,000 psi (model-dependent)
• Wetted Parts: Brass with NBR or Polyimide diaphragm; Zinc-nickel option
• Switching Element: SPST creep action, silver-plated contacts
• Adjustability: External screw for on-site setpoint changes
• Compliance: RoHS
• Housing: One-piece solid construction

• Reliable switching performance in rugged applications
• On-site adjustability with external adjustment screw
• Multiple material configurations to suit various fluids and pressures
• Compact design for space-constrained installations
• RoHS compliant and cost-efficient

Noshok’s 200 Series Mechanical Pressure Switches provide excellent adaptability with pressure adjustment ranges from vacuum up to 6,000 psig. Each unit features a diaphragm or piston sensing element to trigger a high-accuracy micro-switch, protected by a built-in mechanical overload stop. The external adjustment screw allows for simple on-site switch point setting, while an optional rubber cover provides tamper resistance and environmental protection. These switches are offered in Brass or Zinc-nickel housing options, and customizable with EPDM, Viton, or PTFE elastomers, as well as gold contacts for low current applications. RoHS compliant, the 200 Series is engineered for durable, repeatable performance across industrial systems.

• Hydraulics, pneumatics, water treatment systems, process automation, compressors, HVAC systems, and OEM equipment.

• Pressure Range: Vacuum through 6,000 psig (model dependent)
• Wetted Parts: Brass or Zinc-nickel housing; NBR diaphragm standard
• Switching Element: SPST or SPDT snap-action switch with silver or gold contacts
• Adjustability: External screw with tamper-resistant rubber cover (optional)
• Compliance: RoHS
• Overload Protection: Mechanical stop to prevent damage from overpressure

• Versatile pressure switch with SPST or SPDT options
• Adjustable switching point for on-site customization
• Overpressure protection for enhanced safety and durability
• Multiple material and contact configurations for broad media compatibility
• Compact design fits space-constrained installations

• Compact, lightweight design for space-limited installations
• Adjustable hysteresis for fine-tuning switching accuracy
• Durable thermoplastic housing and zinc-plated connection for rugged environments
• CE and RoHS compliant for broader industry compatibility
• Long service life with silver-plated contacts

Noshok’s 400 Series Mechanical Heavy-Duty Pressure Switch is a snap-action, high-current device that delivers consistent and stable switching performance. Designed for field adjustability, it provides maximum precision for applications operating under high pressure loads. The switch offers a wide adjustment range from vacuum through 4,600 psig, making it adaptable to various use cases. Depending on the pressure range, it features zinc-plated steel with NBR diaphragm (for <225 psig) or a steel piston with NBR seal (for >225 psig) as wetted parts. CE-compliant for RFI, EMI, and ESD suppression and RoHS-compliant, this switch offers durability, reliability, and global compatibility.

• Heavy machinery, compressors, hydraulics, process control systems, pump systems, and other high-load industrial environments.

• Pressure Range: Vacuum to 4,600 psig
• Wetted Parts: Zinc-plated Steel with NBR diaphragm (<225 psig); Steel piston with NBR seal (>225 psig)
• Switch Type: SPDT snap-action
• Adjustability: Field adjustable
• Compliance: CE (RFI, EMI, ESD suppression), RoHS

• Designed for high-current, high-pressure applications
• Stable and precise switching point with snap-action mechanism
• Field adjustable for on-site setup
• Durable construction with pressure-specific wetted parts
• CE & RoHS compliant for industrial standards

The Noshok 800 Series Electronic Indicating Pressure Transmitter/Switch is a versatile pressure monitoring device designed to control switching functions while providing real-time digital readout. It offers 7 output configurations including current and voltage signals, with compound and standard pressure ranges up to 7,500 psig. The switch and reset points are easily programmable on the unit itself, allowing for full customization without external tools. The display and electrical connection are independently rotatable, enhancing installation flexibility in tight spaces. With its CE and RoHS compliance, rugged construction, and intuitive interface, this transmitter/switch is built for high-performance environments.

• Hydraulics & pneumatics, power generation, pump & compressor systems, stamping & forming presses, water & wastewater treatment, and process automation.

• Pressure Range: 0 to 10 psig up to 7,500 psig (compound & standard)
• Wetted Parts: 316L Stainless Steel
• Outputs: Current, Voltage (7 output configurations)
• Electrical/Display: Independently rotatable
• Compliance: CE (EMI, RFI, ESD suppression), RoHS

• Combines pressure sensing, display, and switching in one device
• Programmable switch and reset points directly at the device
• Analog output for integration with control systems
• Rotatable display and electrical connection for flexible mounting
• Reliable stainless steel design, CE & RoHS compliant