Valve Type CS / SS NRV [LIFT CHECK VALVE] - FL Design Std BS 1868 / DIN 3356 / API 600 / API 6D / ASME B16.34 Size Range 25 DN to 300 DN [1 to 12] Body [CS - ASTM A 216 Gr. WCB] [SS - ASTM A 351 Gr.CF8 / CF8M] Trim AISI 410 / 304 / 316 Seat / DIsc 13% Cr. Steel / AISI 410 / 304 / 316 Design Features Piston Lift up / Spring Loaded / Bolted Cover, Horizontal Mounting Pr.Rating [ASME - Class 150 / 300] [ DIN ND 40 ] Face to Face ASME B 16.10 / EN 558 -1 / API 6D End Connection [ ASME B16.5, RF - CLASS 150 / 300 ] [ DIN 2545 - DIN ND 40 ] Testing Std. BS EN 12266 - 1 [BS 6755-1] / API 598
