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  • Users: tfro
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  1. tfro

    Large stroke 100+ Ton cylinders?

    I'm trying to find a manufacturer who deals with long stroke (36+ inches) cylinders that are in the 100 Ton and above range. Any leads? Everything I find seems to top out around 6 or 12". I'm also looking for Dual Acting. -Thomas
  2. tfro

    Grade 8 Bolt Marking Symbol

    I have a bolt that is now damaged and needs replacement. The bolt has the normal 6 lines indicating it is a SAE Grade 8 bolt, but also has a small triangle between two of the lines. I don't recognize this marking and can't find any references stating its meaning. What does this triangle mean...
  3. tfro

    Small relief valve vendors?

    I'm trying to find a relief valve around the .187 diameter sizing. I currently use a Lee Co. valve, but it doesn't function very well at the moment. I'm looking for at least 200 psi cracking pressure. Thanks, Thomas

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