JV080021-025 DN25 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT
JV080021-032 DN32 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT
JV080021-040 DN40 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT
JV080021-025 DN25 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT
JV080021-032 DN32 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT
JV080021-040 DN40 ST. ST. WAFER DISC SPRING CHECK VALVE METAL SEAT