Born during America’s Industrial Revolution, Kaydon Ring and Seal engineers and manufactures rings and seals for demanding equipment in oil and gas, gas compression, aerospace, and diesel locomotive applications. The Hanover, Pennsylvania company is particularly distinctive for its carbon-seal expertise and patented Tapered Lift Ramp geometry, as well as repair support for compressor seals. Its aerospace quality system includes ISO 9001, AS9100D, and NADCAP process approvals.
ISO9001
AS9100D
NADCAP
Stein Seal CompanySince 1955, Stein Seal Company has designed and manufactured custom seals and precision components for demanding aerospace, nuclear, marine and industrial equipment. The privately owned company has grown from five employees in rented space to more than 200 employees and over 100,000 square feet at its specialized manufacturing facility, with engineering, repair and dynamic testing capabilities under one roof. Its Pennsylvania operation holds ISO 9001:2015 and AS9100D certifications, along with NADCAP approvals and FAA and EASA repair-station certifications.336412KULPSVILLE, PA
Stein Seal Industrial DivisionFounded in 1955, Stein Seal Industrial Division designs and manufactures custom mechanical seals and precision components for demanding rotating equipment, with a Pennsylvania engineering and production operation serving commercial and industrial customers. As the industrial arm of Stein Seal Industries, it brings seven decades of seal-design experience to applications ranging from power generation and chemical processing to pharmaceutical production. Its work is backed by reverse-engineering and repair services, more than 25 dynamic test rigs, and ISO 9001:2015 and AS9100D certification.TELFORD, PA
AD Piston Ring, LLCSince 1921, Cleveland-based AD Piston Ring, LLC has made custom piston rings and seals for industrial equipment, including hydraulic and pneumatic systems. Founded in New Haven and relocated to Cleveland in 1925, the company now builds cast iron rings up to 30 inches alongside bronze and stainless steel designs, with U.S. manufacturing and rush service available for urgent orders. Its Shurseal joint configuration, developed in-house for bidirectional sealing with minimal leakage, is a particular signature.CLEVELAND, OH
Sealing Specialists and Service CompanyFounded in 1976 by Tony Urso, Pittsburgh-area Sealing Specialists and Service Company has grown from a distributorship into a 25-employee manufacturing, repair and distribution center for industrial seals. The Glenshaw company produces custom seals and gaskets, distributes sealing products across the United States and Canada, and repairs pumps and hydraulic cylinders in-house. Its ISO 9001:2015 certification and planned 22,000-square-foot expansion reflect a business entering its fifth decade with the same focus on making seal sourcing faster and more practical for customers.GLENSHAW, PA