Pipe Support system products are widely used in electricity, metallurgy, petroleum, chemical and other industries, for pipelines or equipment needed to displacement stress, as well as bridge dyeing, construction and large-scale equipment and other vibration damping or sliding support occasions.
In addition to supporting weight, limiting (or guiding) displacement, controlling vibration (shaking), reducing thrust and other roles, and has a simple structure, large bearing capacity, adaptability, long service life, low price and other advantages.
High Density PIR is a kind of foaming polymer with the characteristics of plastic, rubber and cork, which is produced by high-speed mixing with isocyanate and polyether as the main raw materials, adding foaming agent, contact agent and flame retardant, and the finished product has a three-dimensional honeycomb structure, consisting of thousands of tiny and uniformly confined cells. It has the features of low thermal conductivity, high compressive strength, low water absorption, hydrolysis resistance, non-flammable, precise moulding, etc. It is a new and perfect pipeline support for low-temperature pipelines and equipments.
Low-temperature Pipe Support Cold Insulation Block: HDPIR
DN≤150: Density of upper and lower blocks is 224Kg/m°
DN≤500: Density of upper and lower blocks is 320Kg/m'.
DN>500: Density of upper and lower blocks is 400Kg/m'.
Cold Insulation Block (HDPIR Block) Requirements
Property | Unit | Technical Data | ||
Density | kg/m3 | 224 | 320 | 400 |
Compressive Strength (room temperature) | MPa | ≥3.0 | ≥7.0 | ≥12.0 |
Thermal Conductivity (-70ºC) | W/(m.k) | ≤0.030 | ≤0.035 | ≤0.050 |
Water absorption | % | ≤1 | ||
Porosity | % | ≥95 | ||
Oxygen Index | % | ≥30 |
Compressive Strength at 20°C
Density | Minimum final compressive strength | Minimum design compressive strength |
for 224kg/m3 | 2760(+/-10%) KPa | 555kPa |
for 320kg/m3 | 6280 (+/- 10%) KPa | 1255kPa |
for 400kg/m3 | 12000 (+/- 10%) | 2400KPa |
Thermal Conductivity at Temperature -170ºC
Property | Unit | Technical Data | ||
Density | kg/m3 | 224 | 320 | 400 |
Thermal Conductivity (-170ºC) | W/(m.k) | 0.0278 | 0.0360 | 0.0500 |
HDPIR Induslation Pipe Support Bracket in Use




HDPIR Production Line


Guangdong Yuekai is a comprehensive service provider of industrial production, covering petrochemical, iron and steel smelting, port transport, petrochemical supporting enterprises and other industries. We provide customers with pressure vessel type design, manufacture, installation and maintenance; pipe bracket production, pipe fittings production and manufacture; sealing gasket production; and maintenance of all kinds of electric-based pump fittings. Participate in the construction of domestic large-scale projects are: Maoming Petrochemical, Zhongke Refinery & Petrochemical, Beihai Refining and Chemical, Hainan Refining and Chemical, Baosteel, Zhanjiang Port, Fujian Gulei Petrochemical and so on. We have formed the domestic advanced technology advantage.