Mechanical Explosion-proof Pig Signalers which mainly consist of mechanical transmission body and clock-control head is the necessary equipment in pigging process. Fixed on the top of the pipe and used to check whether the pig has passed the test point or not, they can direct the swift flow through offering information to the operators by grade two signal source of light, point, sound or special-made clock.
- Applicable pressure: 0-20MPa;
- Applicable temperature: -20—80 ℃;
- Nominal diameter of pipeline: D≥DN80;
- Conveyance medium: oil, gas, water