DN15-DN150 / ½" – 6"

Fully lined Ball Check Valves for safe non-return flow control of corrosive process media. Typical installations are in front of pumps, as overflow protection for liquids and in venting applications.

Main features

l Horizontal or vertical installation

l Large safety glass plates

l Solid or hollow balls

l Quad boll guide

l For liquids, gases and steam

l Bubble tight even at low differential pressure

Technical data

l Flanges according to DIN PN16 resp. ASME class 150bs

l Face to face according to EN 558-1 series l resp. ASME B16.10

l Body/cover: Cast steel 1.0619 （A216 WCB) or stainless steel 1.4408 (A351 CF.8M)

l Solid ball: PTFE, PTFE-AS (conductive), PTFET, PP, UHMWPE

l Hollow ball: PTFE, Titan Gr.2

l Lining: PFA, PFA-AS (conductive)

l Glass plates: Borosilicate according to DIN 7080

l Higher pressure ratings possible

Operating conditions (Depending on material selection):

l Pressure: 1 mbar (0.014 psi) up to 16 bar (232 psi)

l Temperature: -40°C (-40°F) up to +200°C (+392°F)