CHECK VALVES

AES Swing Check Valves are available in carbon steel, various grades of stainless steel including duplex and virtually any metallurgy required.

Standard material of parts

PARTS
MATERIALS
Body
ASTM A216 Gr.WCB
Cover
ASTM A216 Gr.WCB
Disc
ASTM A216 Gr.WCB + 13Cr
Disc Nut
ASTM A194 Gr.8
Body Seat Ring
ASTM A105 + HF*
Cover Bolt/Nut
ASTM A193 Gr.B7 / A194 Gr.2H
Arm
ASTM A216 Gr.WCB
Gasket
ASTM A105
Plug
ASTM A576 Gr.1045
*Hard Facing with Co-Cr-W Alloy.