Strand Earthquake Consultants Listing Category: Suppliers & Distributors Profile We supply seismic gas shutoff valves & flexible pipe loops. Our seismic valves are 3/4″ to 6″ & rated to 60 psi. Our CSA-certified loops for gas lines are 1/2″ to 4″ & UL-listed loops for fire-sprinkler lines are up to 8 Map No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API. Driving Walking Bicycling Public Transport Miles Kilometres Reviews Leave a Review. Cancel replyYou must be logged in to post a comment. Branches/Locations No listings were found matching your selection. Something missing? Why not add a listing?. Previous Next ADVERTISE WITHMasterPlumbers.comGet your products & services noticed by thousands of potential customers every month