Armstrong matches reliability with advanced piston sealing technology to create the TVS 1100 Series Carbon Steel Trap Valve Station. The compact design of the TVS 1100 has a single valve operation that reduces the number of potential leaks, piston valves with dual sealing action to insure long-term protection and an integral strainer to eliminate particles from steam during operation. This bimetallic steam trap is a long- lasting solution for steam isolation services.