1870 CYLINDER-OPERATED FLUSHBOLT
Designed for greater key control, the 1870 Cylinder-Operated Flushbolt prevents accidental locking of the inactive leaf of narrow stile aluminum paired doors. May be installed to lock at threshold or at header.
FUNCTION
Designed for use instead of conventional flip-lever operated flushbolts, 1870 Cylinder-Operated Flushbolts give building management key control of the inactive leaf of paired narrow stile aluminum doors. Prevents casual locking of the inactive leaf by unauthorized persons. Uses same basic over-center action mechanism as MS® pivoted bolt deadlocks. Recommended for installation at both top and bottom of inactive door with MS1850S MS Deadlock in active doorfor greatest security. May be installed to lock at threshold or at header.
OPERATION
360° turn of key throws or retracts the hex-section bolt. Key can be removed only when bolt is in a positively locked or unlocked position. Lock accepts any standard1" [25.4 mm] length, 1-5/32" [29.4 mm] diameter mortise cylinder with MS® cam such as the 4036 Mortise Cylinder or thumbturn such as the 4066 Thumbturn, available separately. Lock accepts cylinder from either or both sides.
FEATURES & BENEFITS
Cylinder Backset (cylinder not included)
- 31/32" [24.6 mm]
- 1-1/8" [28.6 mm] only.
Cylinder Height (cylinder not included): Standard length (cylinder center to retracted bolt tip) is 12" [304.8 mm] with ± 1-1/4" [31.8mm] adjustment.
Case: Steel with corrosion-resistant plating. Measures 1" x 6" x depth [25.4 mm x152.4 mm x depth]. Depth varies by backset.
Bolt: Stainless steel. Hexagonal 3/8" [9.5 mm] flat to flat, with 11/16" [17.5 mm] throw.
Strike: 1/2" [12.7 mm] diameter hole in metal thresholdor header is suitable. For wood thresholds, 4005 Strike is available separately.
Faceplate: Measures 1" x 6-7/8" [25.4 mm x 174.6 mm]. Available in choice of 313 Dark bronze anodized, 335 Black anodized, 628 Clear anodized.
Standard Package: Flushlock mechanism boxed with actuator arm attached, rod/bolt assembly unattached. Stainless steel bolt guide, mounting screws, and installation instructions included. Cylinder available separately.
Shipping Weight: 1-1/4 lbs [.57 kg].
DOCUMENTS
