Spring Check Valve, Series: HSC, 1-1/2 in Nominal, Clamp, 145 psi, 15 to 200 deg F, 3.4 in Inlet to, Dixon, Mfr#: HSCE150$439.99+
3" Tri-Clamp End Ball Type Check Valve - Ptfe Ball - 316SS, Steel & Obrien, Mfr#: 45BYMP-3-316$1,306.99+
2" Tri-Clamp End Ball Type Check Valve - Ptfe Ball - 316SS, Steel & Obrien, Mfr#: 45BYMP-2-316$500.99+