1" BSP ISO19 ISO16028 Probe Hammer - PLT5.2525.113 ISO 16028 Occlusion: flat face Locking: radial balls Material: high resistance steel Finishing: Zn-Fe (Cr III) and Zn-Ni Available Threads: BSP, NPT, SAE Standard Seals: NBR and PU Optional Seals: FKM, EPDM Connection Under Pressure: not allowed