Technical description
Z15 and Z16 valves are automatic check valves. They automatically prevent the reverse flow of the medium. The medium can flow in one direction only. These valves are designed and manufactured to ensure maximum service life and reliability. They are suitable for liquids, gases and steam.
MATERIAL SPECIFICATION
Check valves are made from carbon and stainless steel. The material type can be adjusted according to the customer´s request to optimally suit the operating conditions.
BASIC STANDARDS FOR DESIGN
Basic design
EN 12 516-1
Building lengths
EN 558-1, EN 12 982
Flange dimension
EN 1092-1
Testing
EN 12 266-1, EN 12 266-2
Pressure-temperature rating
EN 12 516-1
Dimension of welding-on ends
EN 12 627, ASME/ANSI B 16.25
Range DN (NPS ): 15 – 300 (1/2″- 12″)
Range PN (CLASS): 16 – 100 (150 – 600)
Operating temperature range: -196°C ÷ +450°C
Connection into piping:
Flanged, Welding-on
Control:
Automatically
