EZ axisymmetrical check valve 

Production and supply: according to Technical Requirements 3742−012−79900391−2013 and STO Gazprom 2−4.1−212−2008.

Nominal diameter: DN 25−1200.

Nominal pressure: PN 16−420 (ANSI 150−2500).

Working temperature: -196 up to +550 °С.

Trim:
— with a solid disc;
— with a ring disk and radial guides;
— with a ring disk and a central guide.