C SERIES NEEDLE VALVEUp to 6,000psi max cold working pressurePoppet style check valveVarious cracking pressure & seal material available HI-CHECK NON-RETURN VALVEUp to 10,000psi max cold working pressureSelf centering sealExotic material available MAC and MACB Check ValvesUp to 15,000psi max cold working pressureBall type or o-ring typeMPI double ferrule connection MEDIUM PRESSURE & HIGH PRESSURE CHECK VALVEUp to 20,000psi and 60,000psi max cold working pressureBall type or o-ring typeCone & threaded connectionExotic material available