IS 8935 : 1985 Electric solenoid operated actuators

1 Scope

1.1 This standard specifies the requirements and tests for ac(50 Hz) and dc electric solenoid operated actuators used forpositioning of control valves.

NOTE - This standard covers only the requirements of actuatorsbut not the valve body even though generally they are suppliedtogether by the manufacturer.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 1271 :1958Classification of insulating materials forelectrical machinery and apparatus inrelation to their thermal stability inservice

IS 2147 :1962Degrees of protection provided byenclosures for low voltage switchgear andcontrolgear

IS 2148 : 1981Specification for flameproof enclosures ofelectrical apparatus

IS 4905 :1968Methods for random sampling

IS 9000 Part 5 : Sec 1 :1981 Basic environmental testing procedures forelectronic and electrical items: Part 5.Section 1 Damp heat (cyclic) test

IS 9249 : Part 1 :1979Specification for safety requirements forindicating and recording electricalmeasuring instruments and theiraccessories : Part 1 Common safetyrequirements for instruments

IS 9334 :1979Specification for electric motor operatedactuators