Compatibility for fluid power seals means—does the chemical composition jibe with the fluid composition? Chemical composition is the composition of the seal itself, so what type of rubber, essentially, it's made from. Back in the day, fluid power seals were made of things like leather and natural rubber, which had poor composition completely across … [Read more...]
Freudenberg showcases latest high-tech sealing technologies at OTC2018
Freudenberg Sealing Technologies is highlighting its latest products and technologies specifically designed for oil and gas customers at the 2018 Offshore Technology Conference (OTC) through tomorrow, May 3 in Houston. The company will also introduce customers to its new accumulator manufacturing and service facility in Houston during the … [Read more...]
Hallite, MSOE partner for continued hydraulic seal testing
Cold cylinder start-up hydraulic seal testing is the latest in Hallite’s third-party validation for the integrity of its sealing materials and designs. After successful completion of a new test method in 2015 for assessing the amount of dirt and dust that enters a typical hydraulic system through the rod wiper, Hallite Seals decided to continue … [Read more...]
Trelleborg releases new rotary seal for high-pressure oil and gas applications
Trelleborg Sealing Solutions announces the launch of the new polytetrafluoroethylene (PTFE) based O-ring energized single-acting rotary seal, Turcon Roto Glyd Ring DXL. This seal is specifically designed to meet the demands of high-pressure rotary applications within the oil and gas industry. The Turcon Roto Glyd Ring DXL provides improved … [Read more...]
O-ring selection made easy
Parker Hannifin's O-Ring Selector is an engineering tool which offers O-ring material and size selection combined in one software package. Both are interlinked, thus helping ensure the best possible combination of the calculated O-ring size and material choice. The O-Ring Selector covers both imperial and metric standards. The program lets … [Read more...]
What types of seals are used in hydraulic cylinders?
Hydraulic cylinders are used to perform work in a bevy of different situations and applications every day. Whether it’s the plow truck clearing the road, a utility vehicle fixing an electrical issue, or a compactor at the local recycling center—hydraulic cylinders are in motion almost everywhere. With hydraulic cylinders, there is more than … [Read more...]
What’s the difference between single acting and double acting piston seals?
Piston seals or piston rings are used in hydraulic cylinders for fluid sealing. They are designed to ensure that pressurized fluid does not leak across the cylinder head as the system pressure pushes the piston down the cylinder bore. There are two main types of hydraulic cylinder piston seals—single-acting and double-acting. Single-acting … [Read more...]
Hydraulic seals battle extreme cold
Low-temperature chemistry and innovative hydraulic seal designs prevent weeps and leaks. By Ryan Webster, Hallite Seals Americas and Mark Haggerty, Hallite Seals Canada Equipment used in industries like construction, transportation, forestry, agriculture, mining and mineral extraction requires hydraulic seals fit for extreme temperatures. … [Read more...]
Trelleborg expands HiMod Slydring wear ring range for hydraulic cylinders
Trelleborg Sealing Solutions has expanded its HiMod Slydring HC wear ring range. It is introducing more than 180 additional part numbers in outer diameters from 1 to 12 in. The enhanced range becomes available early 2018, serving various fluid power applications including off-highway, material handling, industrial machines, mobile hydraulics, … [Read more...]
5 factors to consider when designing FDA seals for food contact
When considering seal design for FDA seals, specifically for food contact, there are 5 factors that must be considered: 1. Operating conditions This might sound obvious, but a seal designer may focus on different concerns than you would with regard to the operating conditions. Too often a seal designer is asked to focus on one particular … [Read more...]
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