Based on this product's specifications, here are some alternatives and similar models
Womix ball check valve with pump connection S/C TERM 1, cast-iron nut G 1 1/2, EPDM seal
Summary description:
Womix ball check valve S/C TERM 1 is designed for pump installations and pipeline systems requiring backflow prevention. It features a cast-iron nut with G 1 1/2 connection and an EPDM sealing element for compatibility with water and typical heating fluids. The valve provides one-way flow control to protect pumps and maintain system integrity in residential and light-commercial applications.