شیر اطمینان ARI مدل PRESO 753

Pressure regulating valves, self-acting, spring loaded, flanged ends, compact design, stem tightness by bellows, easy and accurate adjustment, maintenance free.
Specification of the range:
Diverse design combinations by pressure adjustment ranges, materials of construction, nominal size range (DN15-DN100) and design pressure range (PN16).
Other typical denominations:

Applications: HVAC, steam, gases, HTF, lubrication, compressed air, process, etc.

Certifications: PED 2014/68/EU, EAC

ARI-PRESO PRESSURE REGULATING VALVE, OVERFLOW, SPRING LOADED
 
 
ARI-PRESO fig. 753 straight through spring loaded pressure regulating valve, overflow valve with proporsional characteristics. Easy to operate and almost maintenance free. Valve opens with rising differential pressure.

The main applications are pump protection securing a minimum flow or pressure. Bypass lines from users e.g. heat exchanger in thermal oil systems to sustain a minimum flow. Pressure maintaining valve to avoid the flashing in condensate systems or maintain a minimum of liquid/pressure.

Flanged connections. Body in cast iron, nodular iron, carbon steel and stainless steel.

Options: Soft seated PTFE-plug, manual control device and special flange drilling