The Shield SD-NRVGG-PN16 Grooved Swing Check Valve (6" / 150 mm) is a high-integrity, non-return pipeline safety valve engineered to allow unidirectional fluid flow and prevent system backflow under PN16 pressure ratings.

The Shield SD-NRV-PN16 Swing Check Valve (4" / 100 mm) is a flanged, non-return pipeline safety valve engineered to allow unidirectional fluid flow and prevent system backflow under PN16 pressure ratings.

The Shield SD-NRV-360FF Swing Check Valve (2" / 50 mm) is a high-pressure, flanged non-return pipeline safety valve engineered to allow unidirectional fluid flow and prevent system backflow.

The Shield SD-TDV50G Grooved Test and Drain Valve (2" / 50 mm) is a multi-function forged brass ball valve engineered to combine testing and system draining capabilities within wet pipe fire protection arrays.