Adjustable Hydraulic Door Closer with HoldOpen Function, Quiet Automatic Closing for Home and Office, M Size

Adjustable Hydraulic Door Closer with HoldOpen Function, Quiet Automatic Closing for Home and Office, M Size Description

Hydraulic Door Closer A reliable metal door closer made from standard aluminum alloy, designed to close doors automatically and quietly without human intervention. Suited for residential, commercial, and industrial applications where consistent, adjustable closing performance is required. Key benefits Automatic and quiet closing: Hydraulically controlled motion reduces noise and prevents doors from being left open. Independent speed adjustment: Two valves independently control closing speed and latching speed so you can set smooth closing behavior and secure latching. Holdopen function: Door will remain open when opened beyond 90 degrees, allowing hands passage and improved indoor air circulation. Durable construction: Metal body in silver gray finish resists everyday wear while maintaining consistent performance across a wide temperature range. Wide compatibility: Available settings accommodate a broad range of door weights and widths for versatile installation. Performance and specifications Name: Hydraulic Door Closer Material: Metal material; standard aluminum alloy construction Color: Silver gray Suitable door weight: Small: 25 to 60 kg Medium: 65 to 85 kg Large: 80 to 90 kg Door width ranges: Small: 60 to 90 cm Medium: 60 to 110 cm Large: 60 to 120 cm Closing speed: Adjustable from 180 degrees to 15 degrees Locking speed: Adjustable from 15 degrees to 0 degrees Applicable environment: 20 to 50 C Door and frame alignment: Door and door frame should be on the same plane or within 5 cm Installation guidance Mount as close as possible to the door shaft, within 8 cm of the hinge pivot. Orient the unit so the side with the twostage speed control valve faces the hinge side of the door. Follow the weight and width category when selecting unit size to ensure correct operation. Practical use scenarios Residential front door or bedroom: Ensures doors close quietly and securely, preventing drafts and maintaining privacy. Office interior or conference room door: Controls closing speed for a professional, lownoise environment while allowing the door to stay open past 90 degrees during meetings. Storefront, pantry, or garage gate: Provides consistent closing and latching for frequently used access points, improving convenience and reducing manual handling. What makes it stand out Two independent hydraulic valves give precise control over closing and latching phases. Holdopen behavior above 90 degrees adds practical flexibility without additional hardware. Robust aluminum alloy body offers longevity and stable performance across a broad temperature range. Compatibility and selection tips Choose the small, medium, or large model according to the door weight and width ranges listed. Ensure door and frame alignment is within the specified tolerance for smooth operation. Install within 8 cm of the door shaft and position the valve side toward the hinge for correct valve access and adjustment.