J.M. Canty FuseviewTM sight glasses have been engineered to meet all your process and safety needs. FuseviewTM Tri-clamps® are a fused sight glass providing one-piece construction with no additional gaskets or torquing required. All standard Tri-clamp® FuseviewsTM were designed and tested to ensure the safest product available. Canty can provide certification of material and testing if required, typical of ASME code requirements for process vessels.