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Tunstall Steam Capsules® have been in service since 1985. Their warranty performance since that time has resulted in a practically nonexistent failure rate. The Tunstall Steam Trap Capsule® has changed the nature of the steam trap repair business. Tunstall Steam Capsules® retrofit almost all thermostatic steam traps made in this century. Each capsule is individually tested and calibrated before shipment. We believe Tunstall Steam Trap Capsules® are by far the best way to repair and upgrade existing traps for years of trouble free service. * Tunstall spring type capsule TCBJ-1001 is used on Barnes & Jones 122A and 122S traps * Stainless Steel Tig Welded Tunstall Capsule * B&J# 1721 * Rated Vacuum to 125 PSIG Specification Sheet
