Size:1 2" 3 4" Material:malleable iron Standard:BS Standard or Nonstandard:Standard Size:1 2"-6" Certificate:ISO 9001 BV SGS Production Ability:2000 ton per month Working pressure:1.6MPa Testing pressure:2.4 Mpa Hardness:330N MM Type:Banded, Plain, Beaded Useness:widely used connected to the pipes with water, oil, gas and so on Are you factory:Yes