GRE pipes and fittings are made of high strength fiberglass (E-glass) and amine cured epoxy resin. These materials provide the optimal strength in composite pipe systems.
      Numerically controlled machines manufacture the product on a mandrel in a cross section filament winding process. The continuous glass fibres are wound at a 54 ¾° helical angle and connected with the epoxy resin. This process, combined with the most modern equipment, ensures a consistent production of the highest quality. For certain applications, the pipe wall contains an extra liner of 0.5 mm. This optional resin rich liner consists of C-glass (C-veil) and the same resin as used in the pipe wall.            Conductive pipes and fittings are available on request.
     GRE pipe systems combines many advantages in one product.
     GRE is a corrosion free material. Coatings (internal or external), chemical inhibitors, cathodic protection and corrosion allowances are not required. The life time of pumps and other inline equipment is extended through the complete absence of rust particles.
      The low thermal conductivity of GRE ensures low energy losses from the pipe system. In many cases insulation can therefore be avoided.
      GRE pipes have a very smooth inside surface resulting in a Hazen Williams factor of 150. This allows in most cases a smaller pipe diameter for any given volume, which cuts costs of the system. Paraffin, resin and asphalt accumulation in crude oil transmission lines is also reduced, thanks to the very low internal friction.
      Better wall-thickness/strengths ratios are achieved through the high precision winding technology. This results in lower weight per pressure classes. The life cycle of GRE exceeds stainless steel.
     GRE pipes are designed for pressures ranging from 10 bar (150 psi) to 150 bar (2000 psi) and medium temperatures from -40°C (-50°F) to +120°C (+250°F). As indicated in the list of general applications, GRE pipes are suitable for the transportation of hundreds of highly corrosive chemicals. GRE pipes have proven to be the best solution in the petrochemical industry, marine (onshore and offshore) and in industrial applications, where reliability and strength are key factors.
     Applications:
     Carbon dioxide injection and gathering
     Crude oil flow lines, gatheringlines and transminssion lines
     Low pressure gas gathering lines
     Tank battery piping
     Submerged pump-well tubing
      Tubing and casing
     Chemical processing
     Fertilizer plants
     Food processing
     Geothermal systems
     Paper and textile manufacture
     Petrochemical processing
     Mining
     Exhaust piping line 

Hengshui Gains Trade Co., Ltd. Locates in Jizhou City, Hebei Province-biggest production base of FRP products and radiators of China, combines advantages of local different industries, Hengshui Gains Trade Co., Ltd. consists of several large-scale manufacturers, depends on customers' different requirements, we recommend and choose suitable manufacturer to satisfy and fullfill, we can provide design, supply, shipping, installation, commissioning etc one-station service or technical consultation service. From our company to Tianjin seaport is 300km, to nearest airport is 180km, nearest high-speed train station is 90km.
Our core business and services are:   

1. FRP/GRP products: FRP vessel & tower, FRP (motar) pipe, FRP cooling tower, FRP grating, FRP electrolytic cells, FRP septic tank
2. Whole set of FRP products production line and technology: Computer control filament winding machine, FRP pultursion production line, Molded FRP products production line
3. Radiator
4.  Electrical cable
5.  Sluice gate etc facilities for water conservancy
6.  Rubber bridge bracing
7.  Whole set of chemical making equipment & technology: Mannheim process potassium sulphate making equipment & technology, Titanium dioxide production equipment & technology

Cooperation    Win-win
 

      Our company established by several manufacturing enterprises jointly, we can provide that design, manufacture, installation supervision etc one-station services.

Q: why choose Gains Trade?
A: 15+ years experience in FRP industries, have rich experience that provide different FRP products to Fluor, Technip, Dossan, Arkema, Toyo, Veolia, Wison, Dupont, BASF etc.
Q: Can you choose correct raw material for our FRP product?
A: absolutely, pls provide medium & concentration, temperature, pressure etc technical parameters, PP/FRP, PVC/FRP, PVDF/FRP etc pipe/tank/tower also are in our supply scope. 
Q: what's your delivery time?
A: we have several manufacturing plants, each plant has design department, production facilities, we can finish your FRP products in shortest time.
Q: which port is nearest to your plant?
from our plant to Tianjin seaport is 300km, to Shijiazhuang/Jinan airport is 150km, to Hengshui high-speed train station is 30km.