RYOBI CO-50 and COU-50 Concealed (Recessed) Door Return Spring Mechanism
Branded Japanese concealed Ryobi door return spring mechanism of top construction quality and performance.
The Ryobi door return spring mechanism is made of aluminum.
Suitable for aluminum, stainless steel, wooden, and steel doors.
RYOBI CO-50 & COU-50 Concealed (Recessed) Door Return Spring Mechanism
Branded Japanese concealed Ryobi door return spring mechanism of top construction quality and performance.
Designed for minimal visibility, the closer is installed at the top of the door leaf, recessed inside, and remains invisible even when the door is open.
Constructed from aluminum, suitable for aluminum, stainless steel, wooden, and steel doors.
Key Features
- Concealed design for superior aesthetics
- Fixed closing forces No. 2, No. 3, No. 4, No. 5, and No. 6
- Two or three independently adjustable closing speed valves
- Optional BACKCHECK function
- Controlled speed and closing power (sizes No. 2–6)
- Maximum opening angle: up to 180° (depending on door)
- Aluminum body
- Suitable for both right-hand and left-hand doors
- Color: Silver
- Installation instructions included
Application (CO-50)
Εφαρμογή (CO-50)
Αριθμός μοντέλου | Μέγιστες διαστάσεις
πόρτας |
Πάχος πόρτας | Πάχος σώματος | |||||
Πόρτα από ατσάλι | Ξύλινη πόρτα | |||||||
Xωρίς στοπ | Με στοπ | Με
back-check |
Στάνταρ εγκατάσταση | Top jamb εγκατάσταση |
Στάνταρ εγκατάσταση | Top jamb εγκατάσταση |
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CO-52 | CO-152 | CO-52BC | 900 x 2100 | ![]() |
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31mm |
CO-53 | CO-153 | CO-53BC | 950 x 2100 | ![]() |
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36mm |
CO-54 | CO-154 | CO-54BC | 1050 x 2400 | 36mm | ||||
CO-55 R | CO-155 R | – | 1200 x 2400 | ![]() |
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48mm |
CO-55 L | CO-155 L | – | 48mm | |||||
CO-56 R | CO-156 R | – | 1800 x 2700 | 48mm | ||||
CO-56 L | CO-156 L | – | 48mm |
Εφαρμογή (COU-50)
Αριθμός μοντέλου | Μέγιστες διαστάσεις
πόρτας |
Πάχος πόρτας | Πάχος σώματος | |||||
Πόρτα από ατσάλι | Ξύλινη πόρτα | |||||||
Xωρίς στοπ | Με στοπ | Με
back-check |
Στάνταρ εγκατάσταση | Top jamb εγκατάσταση |
Στάνταρ εγκατάσταση | Top jamb εγκατάσταση |
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COU-52 R | COU-152 R | COU-52BC R | 900 x 2100 | ![]() |
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28mm |
COU-52 L | COU-152 L | COU-52BC L | 28mm | |||||
COU-53 R | COU-153 R | COU-53BC R | 950 x 2100 | 28mm | ||||
COU-53 L | COU-153 L | COU-53BC L | 28mm | |||||
COU-52 HR | 900 x 2100 | ![]() |
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28mm | ||
COU-52 HL | 28mm | |||||||
COU-53 HR | 950 x 2100 | 28mm | ||||||
COU-53 HL | 28mm |