1/4" BSP ISO6.3 ISO B Stainless Steel Probe - PBVX.0606.003 ISO 7241-1 B Occlusion: poppet Locking: radial balls Material: stainless steel AISI 316 Available Threads: BSP, NPT Standard Seals: FKM Optional Seals: FFKM, EPDM Connection Under Pressure: not allowed