Stainless Steel Self Closing Gate Hinges

Waterson gate closer hinges are designed for exterior and interior gates. For exterior application, the spring loaded gate closers can adjust the closing speed based on gate size. The unique protection cap on top of the gate closer hinge ensures durability and longevity. When applying indoor, the fluid motion design creates a quiet and pleasing gate closing experience. Waterson self closing heavy duty gate hinges are made by stainless steel material and built with the strength to withstand all weather. They are the best self closing gate slamming solutions for the pool gate, bank half door, court door and gates of all kind.

Outdoor gate hinge-K51P, K51MP


Full Surface Gate Closer

Hinge surface mounted on the posts.

Gate hinge-full surface series


Mortise Gate Closer

Hinge installed between door frame and door.

Gate hinge-mortise series


Stainless steel gate hinges
  • Minimize rust and corrosion
  • Stainless Steel 304 (SS316 per order)
Stainless steel gate hinges-quality control
  • Hinge warranty marking
  • Hinge traceability
Stainless steel gate hinges-protection cap
  • Pass 3 years outdoor field test
  • The cap for extending product life
Stainless steel gate hinges-multiple leave support size
  • Fit 2″, 3″, 4″ gate post sizes
  • Multiple sizes of leave support


Model-NameDIMFinishMinimum Width of Post and Gate Frame
Door SpecSelf-closing Combination and Hinge LocationSoft-closing Combination and Hinge Location
K51P – Full Surface Gate Closer5″ x 4″ (H x W)Satin Brushed


 2″ (50.8 mm)≤ 150 lbs
< 6’0 x 4’0≤ 260 lbs
< 7’0 x 4’0
( SA,  SA1 ) =
( Top, Bottom)( SA, SA1, SA1 ) =
( Top, Middle, Bottom)
**Temperature limit: -10 ~ +80°C
( DS, HA ) = ( Top, Bottom)( DS, HA, SA1 ) = ( Top, Middle, Bottom)
K51MP – Mortise Gate Closer4.5″ x 4.5″ (H x W)Satin Brushed


1-3/4″ (44.45mm)
Gate door hinge- K51P
Pool gate hinge - K51P
Outdoor gate hinge-K51MP
Gate hinge-K51MP

3 years of True Field Test:

Still functioning, no lubrication

Dolphin Beach Club in Florida, United States

After being deployed outdoor for 3 years,
the Waterson stainless steel closer hinge was stained with dirt and mild rust,
but it’s still functioning as a new gate closer!
Waterson gate hinge-at dolphin beach club - 3 years ago
3 years ago (2013/3/28)
Waterson pool gate hinge-3 years later
3 years later (2016/3/25)
Waterson gate hinge-at dolphin beach club-3 yeas ago
3 years ago( 2013/3/28)
Waterson gate hinge-functioned as a new one-3 yeas later
3 years later( 2016/3/25)





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