Stainless Steel Check Valves - 1000 Series

- No Spin Poppet  - Solid 304 stainless steel construction - Stainless steel check valves are rated for a maximum weight of 2000lbs. in tension (down pull) - All parts stainless steel - spring, lock nut on poppet, and nut retaining cup locks spring to nut - Guide bearing of Delrin around poppet stem for straight operation and eliminates wear  - No-spin poppet for demanding installation directly above the submersible pump - Ideal for Ag chemical applications - WARNING - not to be used with anhydrous ammonia - Only requires 1.5 psi to open CVSE - has a VITON O-ring seal to prevent drain back in harsh chemical environments  - Rated at 450psi max - Includes VITON O-ring for your environment needs   Temp Ratings - Max temp. for CVS & FVS 190 degrees Fahrenheit  - Temp. range for CVSE & FVSE with VITON O-ring -4 to 392 degrees Fahrenheit