ADA Compliant Stainless Steel Heavy Duty Self Closing Gate Hinges

Waterson’s advanced adjustable heavy duty self closing gate hinges are engineered to provide seamless interior and exterior gate closing. Crafted from weldable stainless steel, these heavy duty gate hinges perform extremely well under harsh weather conditions.

Our ADA-compliant spring loaded gate hinges operate easily and effortlessly with less than 5lbs of opening force. Available in a variety of finishes, these heavy duty hinges are perfect for commercial and residential applications.

ADA Compliance Stainless Steel Heavy Duty Self Closing Gate Hinges

Waterson’s advanced adjustable heavy-duty self-closing gate hinges are engineered to provide seamless interior and exterior gate closing. Crafted from weldable stainless steel, these heavy duty gate hinges perform extremely well under harsh weather conditions.

Our ADA-compliant spring loaded gate hinges operate easily and effortlessly with less than 5lbs of opening force. Available in a variety of finishes, these heavy duty hinges are perfect for commercial and residential applications.

self closing gate hinges

K51P

Full Surface Clamping Style

Gate hinge-mortise series
DRAWINGS

Outdoor gate hinge surface mounted on the metal gate square posts.

K51PS

Full Surface Screw-on Style

Gate hinge-full surface series
DRAWINGS

Outdoor gate hinge surface mounted on the metal gate square posts without back plate

K51MP

Butt Hinges Style

Gate hinge-mortise series
DRAWINGS

Outdoor gate hinge installed between metal gate square posts.

K51GWP

Side Mount Style

Gate hinge-mortise series
DRAWINGS

Outdoor gate hinge installed on uneven planes.

K51P

Full Surface Clamping Style

Outdoor gate hinge surface mounted on the metal gate square posts

Gate hinge-full surface series
DRAWINGS

K51P

Full Surface Screw-on Style

Outdoor gate hinge surface mounted on the metal gate square posts without back plate

Gate hinge-full surface series
DRAWINGS

K51MP

Butt Hinges Style

Outdoor gate hinge installed between metal gate square posts.

Gate hinge-mortise series
DRAWINGS

K51GWP

Side Mount Style

Outdoor gate hinge installed on uneven planes

Gate hinge-mortise series
DRAWINGS

Features

Stainless steel self closing gate hinges
  • Minimizes rust and corrosion
  • Stainless steel gate hinge 304 (marine SS316 per order)
Stainless steel gate hinges-quality control
  • Up to 5-year warranty
  • Quality assured and traceable
Stainless steel gate hinges-protection cap
  • Oceanside 3-year field tested
  • Weather cap extends product life
Stainless steel gate hinges-multiple leave support size
  • Multiple extender sizes available
  • Suitable for 2″, 3″ and 4″ steel square posts

Features

Stainless steel self closing gate hinges
  • Minimizes rust and corrosion
  • Stainless steel gate hinge 304 (marine SS316 per order)
Stainless steel gate hinges-quality control
  • Up to 5-year warranty
  • Quality assured and traceable
Stainless steel self closing gate hinges-protection cap
  • Oceanside 3-year field tested
  • Weather cap extends product life
Stainless steel self closing gate hinges-multiple leave support size
  • Multiple extender sizes available
  • Suitable for 2″, 3″ and 4″ steel square posts

Specification

DOWNLOAD
Hinge Type Gate Size Product SKU
FEATURES
Door Range ≤ 120°
Closing Type

 Mechanical Only – M
 Hydraulic Hybrid – H

Hinge Qty

Hinge Type

Finish
Self-closing Fluid Motion 90°Hold-open
Mid-Posts
(interior)
≤ 150 lbs
< 6’-0 x 4′-0
K51M-A2 M 2 hinges/gate (SA.SA1) Stocking

US32D-630-Satin Stainless Steel
US19-631-Flat Black – Powder coating on SST

Special Order

US10B-695-Dark Satin Bronze – Powder coating on SST
US4-731-Satin Brass – Physical vapor deposition on SST

Shop Online Icon

 

K51M-B2 H 2 hinges/gate (DS.HA)
≤ 260 lbs
< 7’-0 x 4′-0
K51M-A3 M 3 hinges/gate (SA.SA.SA1)
K51M-B3 H 3 hinges/gate (DS.HA.SA1)
K51M-C3 M 3 hinges/gate (SB.SA.SA1)
K51M-D3 H 3 hinges/gate (DS.HA.SB)


1. We provide additional door stop ( at 90°) features for all models. Email to request a quotation.
2. Learn more about Waterson hinge design (SA,SA1,SB,…)
3. Learn more about mechanical or hydraulic hybrid closing types, or watch video
4. Please contact us directly concerning doors over the above specifications.

DOWNLOAD
Hinge Type Gate Size Product SKU
FEATURES
Door Range ≤ 120°
Closing Type

 Mechanical Only – M
 Hydraulic Hybrid – H

Hinge Qty

Hinge Type

Finish
Self-closing Fluid Motion 90°Hold-open
Mid-Posts
(exterior)
≤ 150 lbs
< 6’-0 x 4′-0
K51MP-A2 M 2 hinges/gate (SA.SA1) Stocking

US32D-630-Satin Stainless Steel
US19-631-Flat Black – Powder coating on SST

Special Order

US10B-695-Dark Satin Bronze – Powder coating on SST
US4-731-Satin Brass – Physical vapor deposition on SST
Shop Online Icon

 

K51MP-B2 H 2 hinges/gate (DS.HA)
≤ 260 lbs
< 7’-0 x 4′-0
K51MP-A3 M 3 hinges/gate (SA.SA.SA1)
K51MP-B3 H 3 hinges/gate (DS.HA.SA1)
K51MP-C3 M 3 hinges/gate (SB.SA.SA1)
K51MP-D3 H 3 hinges/gate (DS.HA.SB)


1. We provide additional door stop ( at 90°) features for all models. Email to request a quotation.
2. Learn more about Waterson hinge design (SA,SA1,SB,…)
3. Learn more about mechanical or hydraulic hybrid closing types, or watch video
4. Please contact us directly concerning doors over the above specifications.

DOWNLOAD
Hinge Type Gate Size Product SKU
FEATURES
Door Range ≤ 120°
Closing Type

 Mechanical Only – M
 Hydraulic Hybrid – H

Hinge Qty

Hinge Type

Finish
Self-closing Fluid Motion 90°Hold-open
Full Surface (exterior) ≤ 150 lbs
< 6’-0 x 4′-0
K51P-A2 M 2 hinges/gate (SA.SA1) Stocking

US32D-630-Satin Stainless Steel
US19-631-Flat Black – Powder coating on SST

Special Order

US10B-695-Dark Satin Bronze – Powder coating on SST
US4-731-Satin Brass – Physical vapor deposition on SST
Shop Online Icon

K51P-B2 H 2 hinges/gate (DS.HA)
≤ 260 lbs
< 7’-0 x 4′-0
K51P-A3 M 3 hinges/gate (SA.SA.SA1)
K51P-B3 H 3 hinges/gate (DS.HA.SA1)
K51P-C3 M 3 hinges/gate (SB.SA.SA1)
K51P-D3 H 3 hinges/gate (DS.HA.SB)


1. We provide additional door stop ( at 90°) features for all models. Email to request a quotation.
2. Learn more about Waterson hinge design (SA,SA1,SB,…)
3. Learn more about mechanical or hydraulic hybrid closing types, or watch video
4. Please contact us directly concerning doors over the above specifications.

Specification

Mid-Posts (interior)

Waterson-hinges-K51M

Mid-Posts (exterior)

Waterson-hinges-K51MP

Full Surface (exterior)

Waterson-hinges-K51M
Gate door hinge- K51P
Pool gate hinge - K51P
Outdoor gate hinge-K51MP
Gate hinge-K51MP
Gate door hinge- K51P
Pool gate hinge - K51P
Outdoor gate hinge-K51MP
Gate hinge-K51MP

Field Tested 3 Years

Waterson heavy-duty fence gate hinges have durably withstood the harsh seaside environment for three years with only minimal surface staining while maintaining perfect function — these spring-loaded hinges don’t need to add lubrication or readjustment.

Dolphin Beach Club in Florida, United States
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)

Field Tested 3 Years

Waterson heavy-duty fence gate hinges have durably withstood the harsh seaside environment for three years with only minimal surface staining while maintaining perfect function — these spring loaded hinges don’t need to add lubrication or readjustment.

Dolphin Beach Club in Florida, United States
Waterson spring-loaded hinges
3 years ago (2013/3/28)
Waterson spring-loaded hinges
3 years later (2016/3/25)
Waterson spring-loaded hinges
3 years ago( 2013/3/28)
Waterson spring-loaded hinges
3 years later( 2016/3/25)

K51P

DRAWINGS
Installation

K51MP

DRAWINGS
Installation

K51P

DRAWINGS
Installation

K51MP

DRAWINGS
Installation

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