Rail
We supply high performance wire protection, trims and sealing products that meet or exceed exacting rail industry standards e.g. including EN45545 and FST/UV exposure/corrosion.
We have 100’s of seal profiles in stock – all 100% US made to meet US sourcing requirements. We also have the material/design expertise to custom design solutions with Collaborative Finite Element Analysis (CFEA).
One-piece assembly is available: pre-joined film bonded terminating ends.
♦ Euro Based Train OEM Locomotive Engine compartment seal Off the shelf
This EU based project required a bulb seal profile that was compliant with all the key regulations for Flame, Smoke, and Toxicity and met US sourcing requirements.
The Seal-Fast™ rubber blend (click here) was developed to be compliant with NFPA130 fire standards and met the “local USA content” contract requirements.
♦ North American Based Train OEM Coach door and window seals Off the shelf
The client required NFPA130 compliant material, USA content and a continuous loop design to prevent leakage.
We provided a fitted continuous loop vulcanized seal made from our special D3-228-S044 material which met their design, USA content and performance requirements.
♦ Multi National Train OEM Power Supply door panel seal Custom
The client’s Euro customer design center won a USA train project. It required a custom seal for the power supply enclosure which had unique design characteristics and was FST compliant with US sourcing.
The custom seal lengthened the wing flange and optimized the CLD characteristics of the wide radius mounting edge. Made with FST/NFPA130 complaint flame retardant rubber, it also met the US sourcing requirements.
♦ Asian Based Train OEM Braking System M-9 Cars East Coast Railroad Off the shelf
The OEM worked with a component supplier and their system’s exterior stainless steel cabinet required a seal to prevent leaks and cope with panel thicknesses of 0.075” & 1.5″ corner radii plus be made from an FST approved silicone.
We supplied Seal-Fast door seal D3-282-S044 – silicone with adhesive bonded ends. The product prevented leaks and passed the IPX6 rating (per IEC-60529) water test which included a 3-minute water spray at 100L/min.

DTi to Exhibit at APTA November 8-10
DTi will showcase it's SL-FST grommet edging along with the rest of its Spring-Fast product line at the American Public Transportation Association's APTA TRANSform & EXPO. in Orlando, FL, November 8-10. Come see us in Booth 3780. APTA's TRANSform Conference &...
DTi Grommet Edging SL-FST Meets the Stringent European Rail Standard EN 45545-2
Hamburg, Germany October 14, 2021 - DTi device technologies GmbH (DTi GmbH), a subsidiary of Device Technologies, Inc. (DTi) has announced that its Spring-Fast® SL-FST Transit and Rail Series wire protection grommet edging meets the stringent European Rail...