Zhejiang spiral pipe manufacturers of polyurethane foam insulation

This product enterprise standard Q / DH 02-2009 "liquid epoxy anti-corrosion coating," its technical indicators and Chinese oil and gas industry standard SY / T 0447-96 "buried steel pipeline coal tar epoxy coating technology standards" and SY / T 0457-2000 "within the liquid epoxy coating for steel pipe coating technology standards" is equivalent, in line with the American Water Works Association standards require AWWA C 210-03 "steel water pipe liquid epoxy coating inside and outside", and We always uphold the "credibility first, quality-oriented" business philosophy of "customer first, Dexing factory" business purposes, committed to building management-based, customer-centric, technology as a precursor to the quality of lifeline optimization companies, our company is willing to be your long-term partner, we sincerely welcome your arrival! Different slide can be divided into two categories: 1, sliding: insulation structure consists of steel, aluminum, drag reduction layer, porous calcium silicate insulation, stainless steel fastening strip, foil reflective layer, polyurethane insulation, steel jacket, outer coating composition inner sliding pipe insulation is made of steel transmission medium or porous calcium silicate composite silicate + + + rigid polyurethane foam coat steel + glass steel corrosion protection layer structure constituting various nodes insulated pipe technology is mature, reliable quality 2, the outer sliding: insulation structure consists of steel, glass wool insulation layer, a reflective layer of aluminum foil, stainless steel fastening strip, sliding guide bracket, air insulation , steel outer casing, the outer coating composition polyurethane insulation polyurethane insulation sub layer structure from the inside out: one: Pipe work according to the design and customer requirements generally used seamless steel pipe, spiral pipe and straight seam steel pipe surface rust after advanced treatment process, steel rust rating up to GB8923-1988 standard Sa2 grade, surface roughness up GB6060.5-88 standard R = 12.5 micron second layer: polyurethane insulation: with a high-pressure foaming machine cavity between the steel pipe and the outer sheath formed a one-time injection of liquid is made of rigid polyurethane foam, commonly known as "pipe-in-pipe foam" third layer: High density polyethylene protection Layer: prefabricated into a certain thickness in black or yellow polyethylene plastic pipe and its role from one protective polyurethane insulation mechanical hard object damage, and second, anti-corrosion, waterproof