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Self-Sealing Fasteners, Nuts and Washers

Publicerad: 29 december 2011 kl 11:49

APM's patented, pre-assembled self-sealing screws and fasteners provide both fastening and sealing integrity in a single unit. Unique design features a resilient silicone O-ring held captive in a precision asymmetrical groove under the head. Vibration-resistant and reusable screws, bolts and nuts withstand internal and external pressures/vacuum to 20,000+ psi. When vibration is an issue, APM offers a full line of pre-applied self-locking techniques (pellets, strips, patches). SEELOC® Washers are self-sealing, vibration-resistant washers, each having a silicone rubber section, molded and bonded to a stainless steel formed washer ideal for large or slotted holes.

SEELSCREW® Self-Sealing Screws
SEELBOLT® Self-Sealing Bolts
SEELNUT® Self-Sealing Locking Nuts
SEELRIVET® Self-Sealing Rivets
SEELOC® Self-Sealing Washers

Including Military Standard MS3212, 3213 Patent No. 3,175,454

Features and Benefits:

  • Positive sealing under vacuum or pressure
  • Install like a conventional fastener
  • Reusable & compatible with all surface finishes
  • Metal-to-metal contact assures fastening integrity
  • Optional O-ring seal materials - silicone rubber, BUNA-N,
    *Viton®, others (see Materials & Characteristics Chart)
  • Uniform, high-strength design
  • Meets Military MIL-S-82496A spec for integral O-ring self-sealing machine screws
  • UL Recognized
  • UL Tested
  • Optional threadlocking add-ons
  • Optional tamper-resistent heads
  • No chemicals to apply, no worker respiratory or environmental disposal issues

Typical Applications:

  • Instrumentation /Electronics-Electrical panels
  • Fuel tanks
  • Pressure sensors, gauges, meters
  • Gear/transmission boxes
  • Valves
  • Motor housings
  • Portable instruments
  • Military equipment (MS3212, 3213) - underwater, weapons
  • Food processing systems
  • Medical equipment
  • Marine panels & hulls
  • Off-road vehicles & equipment
  • Recreational vehicles & equipment
  • Hydraulic fluid systems - gear boxes, pumps, transmissions, cylinders, values, compressors
  • Environmental monitoring & controls, HAZMAT equipment
  • Electronic controls
  • Consumer appliances, tools
  • Computer components
  • Motors
  • Cabinets, enclosures
  • Any application where both fastening and sealing are required

*Viton® is a registered trademark of DuPont Performance Elastomers.

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