Trudoor SPH – 4.5″ x 4.5″ UL Listed Spring Hinge

Usually Ships: Same Day
  • UL Listed (Fire-Rated)
  • For automatic closing of door
  • Includes screws for metal and wood doors

Available Options:


Trudoor SPH 3 Knuckle Spring Full Mortise Hinge, Square Corner, 4.5″ x 4.5″

  • For automatic closing of fire doors
  • Packed with wood and metal screws
  • Meets ANSI A156.17 Grade 1 Self-closing hinges
  • Adjustability:
    • Spring tension can be adjusted with a hex wrench or tension rod
    • Spring tension is held by tension pin inserted into tension pinhole
  • Labeled Door Sizes:
    • Maximum labeled door size (As set forth by NFPA80) 4′-0″ wide x 8′-0″ tall x 1 3/4″ thick
    • Meets NFPA80 standard for 3 Hour Fire Doors

    NFPA 80 Reference: NFPA 80 requires a minimum of 2 spring hinges to be used on labeled doors

Cross Reference

SPH hinges can be specified as a substitute or direct replacement for: Bommer 4310, Cal-Royal NEWSH-140, Ecco ECBB1105, Hager 1250, Ives 3SP1, Mac Pro MPS60, McKinney 1502, PBB SP81, Stanley 2060R



652 Satin Chrome, BLK Black


4.5" x 4.5"


Medium Duty

ANSI/BHMA Standard

Meets ANSI/BHMA A156.7


Steel (ANSI K81071F)


0 .134




1/16″ Swage standard which provides 1/16″ of clearance between leaves

Fire Rating

UL listed for use with fire rated doors

Related Products

  • trudoor-tdc-100-commercial-door-closer

    Trudoor - TDC-100 Grade-1 Door Closer

    Usage: Standard Duty
  • Trudoor Choice
    for standard hinges

    Trudoor - BB-NRP – 4.5″ x 4.5″ NRP Ball Bearing Hinge (Non-Removable Pin)

    Starting at: $7.50
    Usage: Medium Duty
  • Trudoor Choice
    best overall value - top seller

    Trudoor - TDC-300 Grade-1 Door Closer

    Usage: Medium Duty
  • ives-3sp1-spring-hinge

    Ives - 3SP1 – 4.5″ x 4.5″ UL Listed Spring Hinge

    Starting at: $14.06
    Usage: Medium Duty
Trudoor SPH – 4.5″ x 4.5″ UL Listed Spring Hinge