Waterson Heavy Duty Commercial Fully Adjustable Self-Closing Door Hinge 3-Pack 4.5" x 4.5" – K51M-450 (SA,SA,SA1) -Satin Brushed
Waterson Heavy Duty Commercial Fully Adjustable Self-Closing Door Hinge 3-Pack 4.5" x 4.5" – K51M-450 (SA,SA,SA1) -Satin Brushed
  • 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.
color:
  • Satin Brushed
Retail Price: $ 369.99
Wholesale Price: Inquire Now

Failure is not an option. Neither is fear.

Waterson Corporation - the most effective closer hinge system

  • 40 years in business
  • 30 countries utility patents
  • 3 products combined into 1

Founded in 1979, Waterson Corp. has more than 40 years experience in the hardware business. Engaging in international trade of special fasteners and cold forging accessories, Waterson invested volumes of capital in launching Research and Development projects and engaging in design improvement since 1990. This has earned Waterson numerous international awards. Since 2005, Waterson Corp. started to develop the automatic door closer. After a six-year development, we officially launched Waterson Stainless Steel Auto Door-Closer Hinges in 2011. In 2015, a new hybrid hinge of mechanical and hydraulic technology was launched. This hinge integrates all the functions of a door closer, floor spring, and self-closing hinges for doors of all kinds.

This self-closing gate hinge is designed for outdoor use, e.g., exterior doors, exterior gates, and fence doors, and can be used in drastically changing climates. It works with all types of gates & fences. It’s fully adjustable with auto close & multi-speed control for 10-200 KG (22-440 lbs) door and provides flexible closing power. It features a special rustproof design using high quality stainless steel. This heavy duty pure mechanical hinge is the most durable in the business. Light opening force only 5lbs.

K51M-450-A3 K51M-450-B3 K51M-450-C4
Door thickness 1-3/4" 1-3/4" 1/3/4"
Doot info < 7’0 x 4’0, ≤ 260 lbs < 7’0 x 4’0, ≤ 260 lbs < 8’0 x 4’0, ≤ 260 lbs
Self-closing
Fluid Motion*
Hold-open
Qty of Hinge 3 hinges/door (SA.SA.SA1) 3 hinges/door (DS.HA.SA1) 4 hinges/door (SB.SA.SA.SA1)
waterson hinge

Application: Hotel guest room / Metal door / Commercial fire-proof door

Type:

  • SA Hinge - Controls Closing Speed from 21 - 90° and Closing Force.
  • 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°

Acronym:

  • S: Spring Closing Force
  • A: 20-90° Closing Speed Control
  • A1: 0-20° Closing Speed Control
  • H: Hydraulic buffer
  • B: Hold-open at 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#12x1-1/4"(31.75mm)L)

Note:

  1. Please refer to our instruction manual for detailed instructions.
  2. The product lifetime and its maximum loading weight will be influenced by the loading pressure or the set-up of braking graduation.
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After Sale Service:
1 Insurance Policy: Click to go to the Help Center to view the Insurance Policy
2 The rules apply and summit for receive compensation
3 The conditions of accrual for amount insurance
3 The conditions of accrual for amount insurance
5 Damage to the parcel during international shipping, which resulted in damage to the goods in it
6 Loss of individual goods under international shipment The absence individual goods in the parcel
7 Non-compliance individual goods in color, size, complications Damage to the goods during international shipment
8 Returns Policy: Click to go to the Help Center to view the Returns Policy
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Waterson Heavy Duty Commercial Fully Adjustable Self-Closing Door Hinge 3-Pack 4.5" x 4.5" – K51M-450 (SA,SA,SA1) -Satin Brushed
Waterson Heavy Duty Commercial Fully Adjustable Self-Closing Door Hinge 3-Pack 4.5" x 4.5" – K51M-450 (SA,SA,SA1) -Satin Brushed

BEST SELLERS

...

Product Description

Failure is not an option. Neither is fear.

Waterson Corporation - the most effective closer hinge system

  • 40 years in business
  • 30 countries utility patents
  • 3 products combined into 1

Founded in 1979, Waterson Corp. has more than 40 years experience in the hardware business. Engaging in international trade of special fasteners and cold forging accessories, Waterson invested volumes of capital in launching Research and Development projects and engaging in design improvement since 1990. This has earned Waterson numerous international awards. Since 2005, Waterson Corp. started to develop the automatic door closer. After a six-year development, we officially launched Waterson Stainless Steel Auto Door-Closer Hinges in 2011. In 2015, a new hybrid hinge of mechanical and hydraulic technology was launched. This hinge integrates all the functions of a door closer, floor spring, and self-closing hinges for doors of all kinds.

This self-closing gate hinge is designed for outdoor use, e.g., exterior doors, exterior gates, and fence doors, and can be used in drastically changing climates. It works with all types of gates & fences. It’s fully adjustable with auto close & multi-speed control for 10-200 KG (22-440 lbs) door and provides flexible closing power. It features a special rustproof design using high quality stainless steel. This heavy duty pure mechanical hinge is the most durable in the business. Light opening force only 5lbs.

K51M-450-A3 K51M-450-B3 K51M-450-C4
Door thickness 1-3/4" 1-3/4" 1/3/4"
Doot info < 7’0 x 4’0, ≤ 260 lbs < 7’0 x 4’0, ≤ 260 lbs < 8’0 x 4’0, ≤ 260 lbs
Self-closing
Fluid Motion*
Hold-open
Qty of Hinge 3 hinges/door (SA.SA.SA1) 3 hinges/door (DS.HA.SA1) 4 hinges/door (SB.SA.SA.SA1)
waterson hinge

Application: Hotel guest room / Metal door / Commercial fire-proof door

Type:

  • SA Hinge - Controls Closing Speed from 21 - 90° and Closing Force.
  • 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°

Acronym:

  • S: Spring Closing Force
  • A: 20-90° Closing Speed Control
  • A1: 0-20° Closing Speed Control
  • H: Hydraulic buffer
  • B: Hold-open at 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#12x1-1/4"(31.75mm)L)

Note:

  1. Please refer to our instruction manual for detailed instructions.
  2. The product lifetime and its maximum loading weight will be influenced by the loading pressure or the set-up of braking graduation.
Shipping Notices:
1 Contraband and limited items:
Clgarette,Alcohol,Contraband ?Do not accept
... ... ...
Liquid,cream or cosmetics items are quantity limited in shopping agent service
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Chinese medicine is limited to ship by Chinese exporting goods.
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2 Limitation for different shipping methods:
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3 Yoybuy Product's Label:
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Sensitive Product(SEN)
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Product With battery
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Cream
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Powder
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Dangerous Products
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4 Volume weight Requested:
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volume weight=length*height*Width/5000
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one side must be less than 120cm,otherwise there is additional fee;250cm products can not be accept;
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...
...
...
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Any side must be less than 60cm,otherwise you will be charged the greater one between real weight and volume weight,more than 120cm will be not accepted.
After Sale Service:
2 The rules apply and summit for receive compensation
3 The conditions of accrual for amount insurance
3 The conditions of accrual for amount insurance
5 Damage to the parcel during international shipping, which resulted in damage to the goods in it
6 Loss of individual goods under international shipment The absence individual goods in the parcel
7 Non-compliance individual goods in color, size, complications Damage to the goods during international shipment
...

BEST SELLERS

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