First, DMF-type electromagnetic gas safety shut-off valve Description  : 
 DMF-type electromagnetic gas safety shut-off valve manufactured by the factory new generation of new products. Electromagnetic gas safety shut-off valve not only overcome the current domestic commonly used electric shut-off valve cut off the slow, complex control and other shortcomings, but also in the power outage can immediately cut off gas to ensure the safety of production. DMF-type electromagnetic gas safety shut-off valve is mainly composed of a combination of electromagnetic starter and butterfly valve with good sealing performance. The utility model has the advantages of simple structure, convenient operation, reliable work, fast cutting speed and good sealing performance. Seal is generally oil-resistant rubber, PTFE seals can also provide special products. 
 
 Third, DMF-type electromagnetic gas safety shut-off valve size table: