Flanged backflow preventer – controllable reduced pressure area – BA575 type Flanged sight flow indicator Needle valve 3000 PSI – NPT Ball type bolted bonnet check valve without spring TRIM 10 – 800 Lbs – SW EPDM ACS gasket – PN10/16 Stainless steel 316L strainer for flanged type axial check valve PN10 Female BSP ball check valve Stainless steel 316L strainer for flanged type axial check valve PN16 All mounting position flanged check valve High pressure axial type check valve – PN25