Who invented the mechanical seal?
George Cook
In the sealing industry, mechanical seals have existed for more than 100 years. The first known company was founded in the USA in 1905. The mechanical seal was invented by George Cook and was originally called “Cook Seal”. He also founded the Cook Seal Company.
What is API plan for mechanical seal?
These are standardized flushing piping arrangements that are widely used in the industry. Customer specific variants of these plans are possible. API Piping plans help to ensure good conditions for mechanical seal operation as well as improving safety and pump reliability.
Why is it called an O-ring?
Although the O-ring was originally so named because of its circular cross section, there are now variations in cross-section design. The shape can have different profiles, such as an x-shaped profile, commonly called the X-ring, Q-ring, or by the trademarked name Quad Ring.
When did Smiths buy John Crane?
Then in 1987, TI Group acquired the remaining regional operations and the company reunited as John Crane — named after one of the company’s original founders. In 2000, TI Group merged with Smiths Industries to become Smiths Group plc, a global technology company based in London.
What is API plan 32?
API Plan 32 delivers a clean flush fluid into the seal chamber from an external source. Typically used with a close-clearance throat bushing, this arrangement can be used to ensure a higher pressure in the seal chamber.
What is API plan 62?
API Plan 62 delivers an external quench fluid to the atmospheric side of the seal. A typical application in a refinery is the prevention of coking on seal faces in hot hydrocarbon service by employing a steam quench. Nitrogen or clean water may also be used to quench or cool and clean the atmospheric side of the seal.
How is it working at Flowserve?
Overall Flowserve is a good place to work with average pay and benefits, good flexibility, and a good work/life balance. The culture and management seems to be driven by the bottom line and by the shareholders to achieve financial success above all else and employees can suffer for it.
Does Ingersoll Rand own Flowserve?
Nevertheless, Flowserve continued to view expansion as the key to its future success. With the stated goal of becoming a $2.5 billion company by 2004, Flowserve made the largest acquisition in its history to that point, when it agreed to buy the Ingersoll-Dressler pump unit of the Ingersoll-Rand Co. in February 2000.
Why are some o-rings green?
Green o rings are hydrogenated Nitrile, also known as highly saturated Nitrile, or more commonly known as HNBR. These o rings have the green colour moulded into their rubber and were introduced with the refrigerant of 134a, suitable for high temperatures and fluctuating stress loads.
What are purple o-rings used for?
Purple, Heat-Resistant, Silicone Sealing Rings for your break box. Comes in a set of 4. Durable, environmentally friendly, non-toxic, and odorless, with great elasticity, these O-rings will help keep your favorite break box leak-free. Easy to clean, dishwasher safe, and heat-resistant.
Who is the CEO of John Crane?
Chief Executive Andy Reynolds Smith said, “I would like to thank Duncan for his contribution to Smiths Group since he joined three years ago and, in particular, for his support to me during my initial integration into Smiths.
What is John Crane known for?
By 1938, all Chrysler cars used Crane Packing mechanical seals on their water pumps . In 1939, the company invented the first automotive mechanical seal. In the early 1940s, John Crane developed and introduced patented end face shaft seals and an elastomer bellows seal.
What is API plan 23?
API Plan 23 utilizes a circulation device, typically a pumping ring, to route the fluid from the seal chamber through a cooler before returning the cooled fluid to the seal chamber. A throat bushing isolates the cooled seal chamber flush fluid from the hotter pumped liquid.
What is API plan 11?
API Plan 11 recirculates flow from a high‐pressure section of the pump, typically the discharge piping, through a flow control orifice to the seal. Plan 11 is the default flush plan for most pumps. API Plan 11. Kit components shown solid and include some optional components.