Waterson Heavy Duty Commercial Fully Adjustable Self-Closing Door Hinge 3-Pack 4.5″ x 4.5″ K51M-450 (SA,SA,SA1)

Description

• CERTIFICATION | ADA, UL compliant Grade 1
• ADVANCED ENGINEERING | Combining door closers, spring hinges and an optional hold open feature into one attractive & unobtrusive component.
• FULLY ADJUSTABLE | Closing force and speed adjustable according to environment needs.
• PRECISION | Digital panel tension locking capability.
• DURABLE | Fully weather resistant stainless steel construction — purely mechanical, NO LEAKING.

• ApplicationHotel guest room / Metal door / Commercial fire-proof door

  Type:

  • SB Hinge – Door closing+control closing speed+hold-open at 85+/-5
  • SA1 Hinge – Controls Closing Speed from 0-20 and Closing Force.
  • DS: Provides Closing Force, double power output.
  • HA: Hydraulic buffer in 0-20+control speed in 20-90
  • S: Spring Closing Force
  • A: 20-90 Closing Speed Control
  • A1: 0-20 Closing Speed Control
  • H: Hydraulic buffer
  • B: Hold-openat 85+/-5

  Included Products

  1. 3mm hex wrench*1pc
  2. 5mm hex wrench*1pc
  3. For the wood door – Crosshead self-tapping screws (SUS#12-24 UNC-1/2″L)
  4. For the metal door – Crosshead machine screws (SUS#12×1-1/4″(31.75mm)L)