insulating pipes and fittings with polyurethane foamed plastic and high density polyethylene casing pipes

  insulating pipes and fittings with polyurethane foamed  plastic and high density polyethylene casing pipes   1.SPECIFICATION:  

be composed of	1.high-density polyethylene
	2.polyurethane insulation
	3.steel pipe
be widely used in	urben centralized heat supply
	warm room
	coal mine
	petroleum
	chemical and other anti-corrosion insulation field
medium tempreature	50-140°c
working pressure	<2.5Mpa
laying method	direct bury built on stilts trench
techonlogy	corona treatment (just damage pipe inner surface thicknss,don’t change the original physical index)
	leakage alarm line
advantages	1.good insulation properties,low heat loss(the 25%of traditional pipes)
	2.energy saving
	3.long live life of more than 30 years
	4.waterproof and corrosion resisdence
	5.can be directly buried in ground or water

    2. STRUCTURE PICTUE OF PRE INSULATED PIPE      SPIRAL STEEL PIPE TO PROUCE THE PRE INSULATED PIPE         DIFFERENT DIAMETERS OF PRE INSULATED PIPE FOR YOUR CHOICES       Any question about pre-insulated pipe, welcome to contact with us, we are willing to be on service of you:   Contact person:hebe Tel:86-18331518911 Skype:hebema86 Office:86-315-5773300 whatsapp:86-18331518911 add:houhu industrial cluster, yutian county, hebei province, china