1" Stainless Steel NPT Screw Plug Heater 60 - 86 WSI

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1" Stainless Steel NPT Screw Plug Heater 60 - 86 WSI
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1" Stainless Steel NPT Screw Plug Heater 60 - 86 WSI

Diagram of screw plug heater

  1. Incoloy® 840 sheath standard on all items-allows for the widest coverage of applications and temperatures, plus gives a margin of safety should there be any unknown corrosives or contaminants in the solution.
  2. High purity MgO powder compacted to provide maximum heat conductivity and optimum dielectric Strength.
  3. Type A 80/20 resistance wire sized to provide lowest wire watt density for maximum life.
  4. Fusion welded junction between pin/resistance wire to provide a 360" circumferential joint, giving superior strength and life.
  5. Re-compacted bends to restore MgO density in bend areas.
  6. Moisture sealed to prevent the entrance of contaminants during storage and service. Silicone end seals on heaters for oil, air and corrosive applications. Epoxy seals for water applications.
  7. #10-32 plate terminals with screws for wiring connections.
    Either style provide for easy re-wiring in the field.
  8. Standard Nema 1 housings on all catalog items. Seamless deep drawn housings provide easy accessibility to wiring.
  9. Fixed conduit support bracket. Supply conduit is not disturbed when cover is removed.
  10. Welded construction between elements and plugs on steel and stainless steel headers to give maximum corrosion protection and strength at elevated temperatures. All welds are hydrostatically pressure tested for leaks.
  11. Silver braze construction on elements with brass plugs.
  12. Spacer supports on multiple element units where immersed length exceeds 18". This feature prevents adjacent elements from touching and overheating plus allows for easier assembly and disassembly from the coupling.
  13. Thermowells for existing or optional thermostats. 5⁄16" tube to accept 1/4" diameter bulbs.
  14. 100% inspected for dielectric or Hi-Pot between conductors and sheath, insulation resistance, wattage, and hydrostatic pressure testing done on screw plug heaters also insures the sheath is defect-free.
  15. All NEMA I and NEMA 4 Housings are CSA certified.
  16. UL & CSA Recognition on elements.

1" NPT screwplug heater diagram

Stainless Steel Plug Sizing:

E: 12
F: 38
H: 1516

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