Manufacturers commitment to product quality and after-sales service
A, the body material of chemical elements and mechanical properties meet the national standards (save material chemical element of assay).
Second, the stem material chemical element to fulfill the requirements of the provisions of the state standard, cylindrical grinding, corrosion resistance of the nitriding treatment.
Three, sealing surface using hard alloy electrode surfacing, and its service life reach or exceed national standards.
Four, nominal dimension conform to the requirements of the national deviation, wildcard interchangeable parts.
Five, the sealing surface width according to the provisions of the state JB5211-91 standard production, way too tight.
Six, tathagata flange sealing performance and reliable, and stem packing filling quality of graphite and ptfe packing, bees stainless steel welding.
Seven, valves
Service telephone: 0813-3302888 service fax: 0813-3306999 email: dzfm@zgdzfm.com
