Hydraulic Service Sink Flushometers

• Specifications for Royal Hydraulic-917
• Installation Instructions for 910 913 915 916 917 920 921 922 980 986
• Installation Instructions for 940 950 952 953 990 995
• Maintenance Documention for HY-33-A, HY-49-A, HY-72-A, HY-100-A, HY-108-A, 940, 950, 952, 953, 990, 992, 995, 997

Quiet, Exposed, Diaphragm Type, Chrome Plated Service Sink Flushometer with the following features:

Dual Filtered By-pass
ADA Compliant Non-Hold-Open feature type Actuator (specify Actuator type)
1" I.P.S. Screwdriver Bak-Chek™ Angle Stop
Free Spinning Vandal Resistant Stop Cap
Adjustable Tailpiece
High Back Pressure Vacuum Breaker Flush Connection with One-piece Bottom Hex Coupling Nut
Spud Coupling and Flange for 1-1/2" Top Spud
Sweat Solder Adapter with Cover Tube and Cast Set Screw Wall Flange
Diaphragm, Stop Seat and Vacuum Breaker molded from PERMEX™ rubber compound for Chloramine resistance

Valve Body, Cover, Tailpiece and Control Stop shall be in conformance with ASTM Alloy Classification for Semi-Red Brass. Valve shall be in compliance to the applicable sections of ASSE 1037, ANSI/ASME 112.19.6, and Military Specification V-29193.