IS 3950 : 1979 SPECIFICATION FOR SURFACE BOXES FOR SLUICE VALVES
| UDC 621.646.5-758.1:628.146 | CED 3 |
Reaffirmed 2022
1. Scope
1.1 The standard lays down the requirements for cast iron surface boxes for use with sluice valves with valve caps, conforming to IS : 780 - 1969 and IS : 2906-1969 for use on service pipes and water mains.