TONG LUNG METAL INDUSTRY CO., LTD.
Products
Specification
‧Adjustable power size 1-6
‧Bachcheck function
‧Aluminum
‧Comply with Grade 1 standard.
‧3 hours fire rated.
Material
Aluminum alloy housing.
Cover
Full size plastic cover – Standard.
Slim-line plastic cover or metal cover – Optional.
Mount Hole Dimension
305mm
Door Handing
Non-Handed.
Installation
Universal applications for standard, top jamb, or parallel arm installation.
Valves
Adjustable latching and sweeping speed valae.
Adjustable Backcheck (BC) valve – Standard.
Adjustable Delayed action (DA) – Optional.
Staked valve - Standard.
Power Adjustable
Multi-size spring adjustable power size 1-6.
Factory preset size 3
Opening Angle
All standard arm applications allow doors to swing 180°, conditions permitting.
Arms & Brackets
Slide adjustable arm.
Tri-Pack for regular arm, parallel arm and top jamb mount – Standard.
Optional Arms
Forged hold open arm
Friction hold open arm
Hold open cush arm
Parallel rigid cush arm