RYOBI door closer enables smooth door opening and closing with a flushing action. - Brand: RYOBI - Model: Door Closer 20 Series 3 Valve - Type: Door Closer - Quantity: 1 Color: Silver Regular price: Around 8700 yen. - Features: Smooth door opening and closing with a flushing action - Application: Used for opening and closing doors 20 Series Door Closer Part Number S-23P Finish Metallic Bronze (C1) Type Parallel type, external stop Applicable Door Width 950mm x Height 2100mm Weight: 40kg-65kg ● Suitable for both left and right hand doors. ● When selecting a model, prioritize the width of the applicable door. ● The main body differs between standard and parallel types. ● For areas with strong winds, use a model one size larger than the above. Included Bracket Standard Specification Speed Adjustment Sections ● There are two speed sections for door closing speed. ● The first speed section controls the overall door closing speed, and the second speed section controls the closing speed. ● The speed can be adjusted to any desired speed by operating the independent speed adjustment valves for the first and second speeds. ● The appropriate time for closing the door from a 90° open position is 5-8 seconds (the second speed should be set slightly slower than the first speed). Latching Action Function (Standard Equipment) ● This function quickly closes the door when it reaches approximately 2° before the closed position. ● It is effective for airtight doors and doors with electric locks, and it can close the door more reliably. ● If not needed, tighten the adjustment valve to the fully closed position (factory setting is fully closed). ● The latching action will not be slower than the second speed.