... and 6", 8", 10",CASE MATERIAL:Steel case, steel black case, steel chrome plated case, steel gold plated case,brass polished case, all this can take ... ", 1/2", 3/8", NPT, BSP or BSPT dependent on model & size. Bottom, backleft & right side connectionAVAILABLE RANGES:30Hg "- 0- ... ", 1/2", 3/8", NPT, BSP or BSPT dependent on model & size. Bottom, backleft & right side connectionAVAILABLE RANGES:30Hg "- 0- ...