F4 Resilient seat gate valve with gearbox Female BSP bronze swing check valve – WRAS Female BSP brass strainer – PN16 – ACS Stainless steel bolted bonnet gate valve TRIM 10 – 800 Lbs – SW Automatic float air trap Flanged type triple-acting air release valve – PN16 Flanged type double-acting air release valve – PN10/16 Threaded type single-acting air release valve – PN10/16 Female BSP pressure reducing valve PN16 Single chamber, four-function air valve – PN10/16