Samson Process Control Unit Samson Controller 6493 Compact Controller for Panel Mounting

The SAMSON Type 6493 is a pneumatic-only differential pressure controller that uses a diaphragm and torque-tube system to produce a 3–15 psig output signal. It is a no-electronics solution for maintaining differential pressure in steam, water and gas systems. Plants with pneumatic instrumentation or hazardous areas often select it for its simplicity and proven long-term reliability.

• Steam supply differential control
• Pump recirculation lines
• Heat exchanger differential pressure
• Tank pressure equalization
• Pneumatic control in hazardous zones

• Problem: Hunting or instability → Solution: Adjust gain (proportional band) and reset time
• Problem: No output pressure → Solution: Check supply air filter and nozzle cleanliness
• Problem: Calibration drift → Solution: Easy local setpoint and zero adjustment

• Current SAMSON Type 6493 (still in production)
• Older pneumatic differential controllers from SAMSON

• Genuine SAMSON product with traceability
• Experienced in pneumatic controller retrofits
• Fast spare parts (diaphragms, springs)
• Competitive pricing & warranty

• Common ranges: in stock or 2–4 weeks
• Special configurations: 4–8 weeks

Please provide:

• Required differential pressure range
• Supply air pressure
• Medium type & temperature
• Connection style
• Quantity & delivery need