For more than 100 years, John Crane has been your source for optimizing the reliable and continuous performance of mission-critical rotating equipment across all process industries. Being a valued and trusted partner for our customers is more than what we do―it is our legacy. Your name is how we make ours. The company designs and manufactures a variety of products, including mechanical seals and systems, couplings, filtration systems, and digital diagnostic technologies. John Crane customer service is accessed through a global network of more than 200 sales and service facilities in over 50 countries. John Crane is part of Smiths Group, a global leader in applying advanced technologies for markets in threat and contraband detection, energy, communications, and engineered components.