Supply fire door closers Zp-051, hydraulic door closers, from off return, spring behind closed doors

Model: ZP-051 side back door Brand: ZHIPAI Chi faction Specifications: 126 * 19 Suitable door weight: 25-45 (kg) (kg) for door width: 500 ~ 1000 (mm) (mm) Closing speed: 180-20 (s) blocking strength: 0-20-0 range of application: doors, aluminum doors, framed doors, fire through the door Type: Fire door closers functional classification: with stop function (90o) and ( 180 not positioning) Features:? unique elegant appearance. A dual-speed continuously adjustable features, good speed stability. ? Have significant economic and good performance behind closed doors? Applies to 25-45 kg security doors use? Type certification by the National Fire Protection? Two-stage speed, speed adjustable closing speed and lock the door, regardless of the left and right door? 500,000 quality assurance; leakage rate of less than one thousandth 1. closing speed adjustable 180 ° -20 ° 2. latching speed can be adjusted by folding arm 20 ° -0 ° 3. Optional 90 ° stop threshold Bit 4. Available colors: silver, white, brown, black, etc. Applications: 1. Can be used to open the doors of unidirectional 2. Can be used left and right door open for a variety of materials 3. 4. Maximum leaf doors width 1000mm Standard configuration: package contains closers body, standard folding arm (without stopping the door), install the required screws and installation guide manual, installation templates to easily install change. Special configuration: 1. closed-door body + stop door closers folding arm 2. The folding arm + body + standard parallel mounting block installation (for parallel installation): 1. leaf installation (standard installation) 2. door installation 3 Parallel installation