GN 7237 stainless steel multiple-joint hinges are installed on the inside of flaps, hatches and doors to save space and ensure protection against vandalism. The hinges have a maximum opening angle of 180°, which provides optimal accessibility and avoids the blocking of escape routes by open doors, for example.
Use of this hinge type leaves housing exteriors free of attachments that do not match the design or that should be avoided entirely in the interests of fast and easy cleaning.
Stainless steel multiple-joint hinges are generally used in pairs, meaning that one type L and one type R are used per opening. For higher loads, e.g. from large hatches, these can be supplemented with additional hinges of either type.
RoHS compliant
| L | Fixing angle piece left |
| R | Fixing angle piece right |
| l1 | d | h1 | h2 | h3 | l2 | l3 | l4 | l5 | l6 | l7 | l8 | l9 | m1 | m2 | r | s | x | y |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.57 | 0.21 | 0.30 | 1.10 | 0.10 | 1.02 | 1.42 | 2.76 | 4.14 | 2.93 | 1.08 | 4.01 | 0.63 | 0.98 | 0.20 | 3.09 | 0.16 | 0.51 | 1.16 |
| 1.97 | 0.26 | 0.39 | 1.38 | 0.10 | 1.38 | 1.81 | 3.63 | 5.51 | 4.05 | 1.55 | 5.30 | 1.09 | 1.18 | 0.24 | 4.13 | 0.20 | 0.71 | 1.50 |
| 2.36 | 0.33 | 0.49 | 1.57 | 0.10 | 1.57 | 2.40 | 4.59 | 7.07 | 4.93 | 2.02 | 6.78 | 1.46 | 1.42 | 0.31 | 5.41 | 0.20 | 0.75 | 1.85 |
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The stainless steel multiple-joint hinges can be adjusted in three planes during installation. For example, this allows adjustment for tolerances or establishing of required compression forces for seals. |
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Flaps, hatches and doors can be inset, surface-mounted or mitered. The maximum wall thicknesses and bend sizes for planned sheet metal constructions arise from the respective installation type. |
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1. Fixing angle pieces mounted to the housing with slotted holes perpendicular to the hinge axis: |
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2. Fixing angle pieces mounted to the housing with slotted holes parallel to the hinge axis: |
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The design variants shown represent standard installation conditions. If the installation position of the hinge is changed or one of the two wall thickness dimensions s or b are lower, the maximum achievable dimensions change independently of each other. This makes it possible in some cases to work with larger wall thickness dimensions than those specified with the same hinge size. A simple design check via CAD or a test setup is therefore recommended. |
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The maximum load of the Stainless Steel-Multiple-joint hinges specified below applies to the standard use cases and serves for orientation in the case of deviating applications. The resulting forces lead to slight elastic deformation, which can be compensated for by means of the adjustment options, if necessary. |
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| Min | Max | Price |
|---|---|---|
| 1 | 9 | $103.22 |
| 10 | 24 | $94.62 |
| 25 | 49 | $86.02 |
| ≥ 50 | $77.42 |
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