IS 12785 : 1994 Irrigation Equipment - Strainer-type Filters - Specification

1 Scope

1.1 This standard specifies the general constructionrequirements and test methods for strainer-type filters(hereinafter called strainers) intended for operation inagricultural irrigation systems.

1.1.1 This standard does not cover filtration ability,efficiency and capacity (quality of filtered water, time ofoperation before strainer becomes completely clogged, etc), nordoes it deal with strainer-type filters that have integralautomatic flushing devices.

NOTE - Requirements and methods for testing filtration abilityare under study, and will be added later.

2 References

IS 2500 : Part 2 :1965 Sampling inspection tables:Part 2 inspection by variables for percentdefective

IS 2643 :1975Dimensions for pipe threads for fasteningpurposes

IS 6418 :1971Cast iron and malleable cast iron flanges for general engineering purposes