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  • Users: metootoo
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  1. metootoo

    Hammer Union Detailed Dimensions

    I need all the key dimensions for Figure 1502 hammer unions from 2-4inch. I know this is not an organizational standard (e.g. API, ASTM, etc), but there is an industrial standard (thus the whole Fig system start by one company) which all the manufacturers comply to so that the fig. 1502 female...
  2. metootoo

    Medium-Pressure Cone & Thread...says who?

    Who's standard are these ports made to? I see several manufactures that make MP C&T fittings and valves/manifolds with female C&T ports, but none of them mention the specification reference. Is it an ASTM, SAE, Mil, et.c spec? Is it Autoclave proprietary but now made by any one? I'...
  3. metootoo

    Conflicting info about ACME threads

    I'm looking Table 2b (Gen Purpose American Natl Standard Single Start Screw Threads) and Table 3 (Gen Purpose Acme Single Start Screw Thread Data ASME/ANSI B1.5-1988) on pages 1797 and 1799 of the Machinery's Handbook 26. Table 2b states that the maximum Minor diameter for a 3/4-6 thread is...
  4. metootoo

    Metric Welding

    I have a fabrication drawing from the UK that has a z3, z6, and such in front of the weld symbol were weld size usually goes. What does that mean? I doubt it means 3mm, 6mm, etc. since it is on an aluminum structure.
  5. metootoo

    Flow Rate vs Flow Area

    I'm pretty far removed from flow dynamics, so please excuse the elementary question. A technician is testing a oil pump at my work place and taking flowrate data at a given output pressure. The output pressure is being set by a needle valve. These are some of the points: 0psi ---- 39GPM...
  6. metootoo

    UNS C72420 / Marinel /Nibron Special. Where to get in US?

    I often have problems with getting products made in the US that were designed in the UK? Machine shops are always asking for substitute materials. I prefer to use what's specified whenever possible. In this case UNS C72420. Where can I get it from? If no where in the US, then what high...
  7. metootoo

    Welding: Destortion free zone

    I'm designing a receptacle using A106 B 24" sch 60 pipe. The ID will be machined for a very close fit to what goes inside (.01" gap). This pipe the be welded to a large plate. I'm trying to figure out the minimum length to make the pipe such that the welding will not effect the shape/size of...
  8. metootoo

    Torsion Shaft Calculations

    We had the output shaft of a torque wrench fail. The torque wrench is rated for 3200 ftlbs. The square output shaft is practically 1.08 inches square. According to the formula I used [ Max Torque = (2/9)x shear stress x(width of square)^3, where shear is .42*yield], the shaft would have to be...
  9. metootoo

    1:8 tapered shaft. What does that mean?

    I have a motor with which the manufacture says that it has a 1:8 tapered shaft. I have to design a hub that goes on it. I know the diameter of the shaft before the taper, and I know the taper length. What I do not know is the angle of the taper or the diameter at the end of the taper. What...
  10. metootoo

    What spec says 90 degrees for metric flathead fasteners?

    Every time I order a metric flathead socket cap screw it has a 90 degree head. Every time I order an english flathead socket cap screw it has a 82 degree head. Our data entry clerk asked me which degree I wanted when I asked her to put in a 1/4-20x7/8 FHSC into the system. I said if it is...
  11. metootoo

    H4 wellhead profile

    What is the angle that the ring gasket seals on? I would prefer not to have to purchase an 18-3/4" AX or VX gasket just to get this answer. I assume this can be publicly answered. If not, I apologize. Thanks in advance.

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