Trafag 987/988 Pressostat

Trafag 987/988 Pressostats stand as industry-leading pressure monitoring solutions, engineered for high-precision control and exceptional durability in the most demanding industrial environments.

Trafag’s electromechanical pressure switches, also known as pressostats, can be operated maintenance-free for decades, even under harsh conditions. Various versions with bellows, diaphragm, and piston sensors cover a wide range of pressure ranges, media, and load profiles for the most diverse applications.

Technical Data of Trafag 987/988

More Information
Product code	987/988
Designation	Pressostat
Product category	Mechanical pressure switches
Measuring range	-0.3 … 1.3 to 1 … 10 bar
Measuring principle	Bellow
Applications	Machine tools Medium voltage technology
Approval/conformity	EN60730-1/ EN60730-2-6: Type 2.B.H
Repeatability	± 1.0 % FS typ.
Output signal	1 or 2 floating change-over contacts (SPDT)
Electrical connections	Blade connector
Pressure connections	G1/4″ m
Media temperature	-25°C … +80°C
Ambient temperature	-25°C … +70°C

Main Features of Trafag 987/988 Pressostat

Steel or bronze bellow
Blade connector (IEC) 2.8 x 0.5 mm
Compact design
Adjustment in factory

Application of Trafag 987/988 Pressostat

Oil and Gas: For pressure control on offshore platforms, pipeline systems, and oil refineries.
HVAC (Heating, Ventilation, and Air Conditioning): Controlling pressure in ventilation, heating, and air conditioning systems.
Process Industry: Used for chemical, pharmaceutical, and food applications in process control.
Water and Sewage Treatment: Ensures optimal pressure in pumping and filtration systems.
Energy Industry: For boilers, turbines, and power generation systems.
Heavy Equipment and Mining: Used in hydraulic or pneumatic systems in heavy equipment.