ASME A112.21.3M 1985 R2017
$98.04
ASME A112.21.3M Hydrants for Utility and Maintenance use
| Published By | Publication Date | Number of Pages |
| ASME | 1985 | 20 |
This Standard covers hydrants including nonfreeze wall, ground, post, and floor types and moderate climate wall and floor types, which are used in buildings and grounds as water supply terminals, employed principally for lawn and flower bed watering hoses and normal building maintenance functions. This Standard covers definitions, connections, materials, variations, testing and operation, and general requirements for the hydrant types included in the standard.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | Foreword |
| 5 | Standards Committee Roster |
| 7 | Contents Figures Tables Appendix |
| 9 | 1 Scope and Purpose 1.1 Scope 1.2 Purpose 2 Definitions 2.1 Hydrants – General 2.2 Hydrant Types |
| 10 | 3 Connections 3.1 Inlet Connections 3.2 Inlet Connection Types 3.3 Outlet Connections 3.4 Outlet Connection Types 4 Materials 4.1 Castings 1 Nominal Size of Outlet Connection |
| 11 | 1 Schematic Illustration of Basic Elements of a Hydrant (Details Vary With Type and Manufacturer) |
| 12 | 2A Recommended Installation With Valve Behind Building Wall in Heated Area to Prevent Freezing (Exposed Head) 2B Recommended Installation With Valve Behind Building Wall in Heated Area to Prevent Freezing (Concealed Head) 2C Recommended Installation in Walls Where There Is No Danger of Freezing |
| 13 | 2D Recommended Installation (Plan View) With Valve Behind Building Wall in Heated Area to Prevent Freezing 2E Recommended Installation in Walls Where There Is No Danger of Freezing |
| 14 | 2F Recommended Installation With Valve Below Frost Line to Prevent Freezing (Box Type) 2G Recommended Installation With Valve Below Frost Line to Prevent Freezing (Post Type) 3A Thread or Solder Union Elbow |
| 15 | 3B Straight Inlet Connection, Integral With Valve Housing 3C Combination Straight or Union Elbow 3D Ground Hydrant Inlet Connection 3E Thread or Solder Elbow |
| 16 | 4.2 Finishes 4.3 Polishing 5 Variations 5.1 Wall Clamp 5.2 Vacuum Breakers 3F Straight and Angle Outlet Connection |
| 17 | 6 Testing and Operation 6.1 Water Test 6.2 Proof Test 7 General Requirements 7.1 Replacement Parts 7.2 Seating Members 7.3 Marking 2 Discharge Capacity Test 3 Life Test |
| 18 | I Metric (SI) Conversion Table |
