Adjustable spring size 1–4.
Can be installed and adjusted to meet 8.5 lb maximum
opening force requirements for exterior doors.
Compact closer body and cement case 2" deep suited for
thin slab concrete construction.
Closer body is non-handed.
Accommodates doors weighing up to 260 lb and measuring
up to 3'-6" wide interior and 3'-0" exterior.
Mechanical backcheck at approximately 70°.
Dual thermostatic control valves combined with special
hydraulic fluid provide controlled closing from 175°.
Optional single point hold open units available for 90°
A pressure relief valve protects closer from damage caused
by forced closing.
Closer adjustment in cement case provides 3/8" lateral,
1/4" longitudinal, and 5/32" height adjustment.
Optional sealing compound SC-1 prevents water or cleaning
solvent from entering the cement case.
Optional accessory bracket available to convert a BTS75
cement case to accept a BTS75V.