Collection: Threaded Fasteners

F6 Style Flange Insert Check Valve - 1.5" NPS, 1.50 PSI Cracking Pressure

F6 Style Flange Insert Check Valve - 1/2" NPS, 1.50 psi Standard Cracking Pressure

3 Inch FP Style Flange Insert Check Valve with 0.125 psi Cracking Pressure

1 Inch FP Style Flange Insert Check Valve

Check-All® 1-1/4" FP Flange Insert Check Valve, 1.50 psi Cracking Pressure

Check-All® F1 Style Flange Insert Check Valve - 4" NPS, 1.50 PSI Cracking Pressure

Check-All F1 Style Flange Insert Check Valve - 3" NPS, 0.125 psi

F6 Style Flange Insert Check Valve - 4 Inch, 0.500 psi, Check-All®

F6 Style Flange Insert Check Valve, 1-1/2" Nominal Pipe Size, 3.50 psi Cracking Pressure

5" Flange Insert Check Valve, F1 Style, 0.500 psi Cracking Pressure

3" FP Style Flange Insert Check Valve - 1.50 psi Cracking Pressure

Common Grade

1-1/4" Flange Insert Check Valve - F1 Style

F6 Style Flange Insert Check Valve - 1-1/4" Nominal, 0.125 psi Cracking Pressure

Check-All® F1 Style Flange Insert Check Valve - 1-1/2" SS Body, MT Seat, 0.125 PSI Cracking Pressure

Check-All F6 Style Flange Insert Check Valve - 3/4 in, 0.125 psi Cracking Pressure