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  • Users: heathenx
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  1. heathenx

    SDR-21 VS PVC for supply line

    our company sells 1" sdr-21 pvc pipe. we use this in our low pressure watering systems that do not see pressures go beyond 1 psi. some of our customers have purchased this pipe not only for the use of our product but to plumb their entire barn with it. we have always recommended that they...
  2. heathenx

    Geo Tol for Insert Molded Part

    I would like to properly apply a geometric tolerance that aligns my metal insert mold part to the center of the hole in the plastic part. I'm not sure if I need the "Concentricity" or "Runout" tolerance. I would like the metal part to be within .010" of the axis on the hole in the plastic part...
  3. heathenx

    Does passivation make the surface harder?

    When passivating stainless steel, in general, does the surface get slightly harder? If so, how deep into the surface does the passivation impregnate?
  4. heathenx

    430 SS Solenoid Armature Rusting...

    Hello, i'm not use if i'm in the right forum...so be gentle. i have an off-the-shelf horton #ar7301 armature that is used in one of our water solenoids. th dimensions of this thing are about 1" long by about 1/4" in diameter. it's a fairly small part. anyway, my problem is that this thing is...
  5. heathenx

    General: Garden hose washer: hard or soft?

    I have an application that is similar to a garden hose seal (meaning that I have a round male piece and female piece that gets a seal from a rubber washer, typically found at any hardware store) except I have a bigger rubber (1.50" O.D.). My question is a general one. In order to get the best...
  6. heathenx

    Arbor Press force measurement...

    i am looking for a way to measure the force it takes to "light press" fit several small parts into one another. we typically use 1/2 ton arbor presses. that should give you an idea of the smallness our our products. basically, i want to squeeze a plastic post into a plastic hole and i want to...

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