SPECIAL AD SECTION
LITERATURE
Hydraulic Live Swivels Catalog
Inline and 90° hydraulic live swivels. Available in sizes from 1/8" to 2-1/2", rated to 10,000 PSI, heat treated, superior quality alloy steel, chrome or stainless steel ball bearings, withstands heavy side loads, burnished (micro smooth) barrel bores, Viton®, Aflas®, or Teflon® encapsulated seals, zinc or nickel plated, available in 304 and 440 stainless steel, full flow - low pressure drop, rebuilding kits available. Super Swivels Phone: 763.784.5531 Email: sales@superswivels.com Fax: 763.784.7423 Website: www.superswivels.com
REVIEW
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Trelleborg Industrial Product Range Trelleborg Sealing Solutions offers a comprehensive sealing portfolio – a one-stop-shop providing the best in elastomer, silicone, thermoplastic, PTFE and composite technologies. Using our expertise, we help customers achieve cost-effective, durable solutions that match their business requirements in the fluid power and off-highway industries. Learn More For application support, contact our team at tssusa@trelleborg.com
S O LU T I O N S
Here is the solution to Figure It Out on page 5.
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THE UPGRADE TO the 60-ton press heat-
ing problem was due to the absence of a solid pilot pressure plug inside the valve, allowing the main pump pressure to force oil backward through the pilot pressure line and over the small 65 psi (0.44 MPa) check. Installing the solid plug solved the problem.
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March 2023
The correct answer to Test Your Skills on page 41 is b.
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