Senju Black D1 Recessed Escutcheon for 1/2 in. (12.7 mm) FR-RES & FR-QR Fire Sprinklers guarantees proper sprinkler head activation by covering the gap left by a hole saw when a fire sprinkler is installed. This two-piece non-split escutcheon is sized for Senju fire sprinklers with a 1/2 in. (12.7 mm) orifice and has a vertical adjustment up to 1/2 in. (12.7 mm).
Senju Black D1 Recessed Escutcheon for 1/2 in. (12.7 mm) FR-RES & FR-QR Fire Sprinklers features an aesthetically-pleasing black finish on steel, has a diameter of 2 61/64 in. (75 mm), and a depth of 59/64 in. (23.4 mm).This assembly screws on to the fire sprinkler with National Pipe Thread (NPT) and may be installed only after shutting down the supply of water to sprinkler heads and removing the sprinklers to be fitted with this product.
Senju D1 escutcheons may be installed to Senju recessed pendent sprinklers with sprinkler identification numbers (SINs) SS2551 and SS4451.