We have recently completed a batch of orders slip on lining plastic flanges, the customer request the material of slip on flange is A105, the size is 3′-6′, pressure is 300 #, inner and outer wall coated with polymer material.The coating material is polyethylene (PE), crosslinked pol ...

Recently we received an inquiry from a customer in Spain.  The inquiry content is carbon steel flanges, but all flanges are customized flanges from drawings. The customer is an old customer we have cooperated with before. The customer often purchases customized flanges with some drawings.  Soon ...

Half a month ago, 63 pieces of stainless steel large-size flange have been shipped, and now the customer has received the goods. The customer received the goods as expected, very satisfied. Since we arranged production from the initial inquiry to the customer’s order, the inspection was ve ...

Recently, the carbon steel, alloy steel and stainless steel flange,pipe fittings produced by Hebei Haihao Group have obtained the certification of DNV and the relevant certificates approved and issued by the headquarters of DNV. This is another classification society certification obtained by He ...

Production and inspection of 63 stainless steel large-size flanges have been completed, and the customer has arranged shipment. In order to ensure that the products will not be damaged during transportation, although the total weight of the products is only about 12 tons, we also ordered a 20-fo ...

The Indian customer ordered 63 pieces of large-size stainless steel flanges. Since the customer is in a hurry to deliver the goods, we have finished the production within the delivery period and finished the inspection by ourselves. Therefore, we inform the customer to arrange a third party to i ...

We got order about cement lining caps welded with flange . Order is for a water reclamation plant project the PUB is the Singapore’s national water agency public utilities water reclamation department. Cement mortar lining can better prevent hard objects and sewage and other direct wear of ...

The spectacle blind is a kind of pipe part, which is mainly for the convenience of maintenance. You can paint the upper half of “8” black. It’s half a blind plate and half an iron ring. Spectacle blind flange do not have bolt holes. It is only used for isolation between two fla ...

The spectacle blind is a kind of pipe part, which is mainly for the convenience of maintenance. You can paint the upper half of “8” black. It’s half a blind plate and half an iron ring. It is commonly used for pipeline flanges that need to change the process. The materials are ...

From 2019 Jun attended the tender, and win this order from more than 10 suppliers, Hebei Haihao Group finished SNGPL tender No.SND-2074/19 flange order successfully. As known,Sui Northern Gas Pipelines Limited (SNGPL) was incorporated as a private limited Company in 1963 and converted into a pub ...

The heat treatment of pipe fittings and flanges is more and more widely used in industry. The function of heat treatment is to improve the mechanical properties of materials, eliminate residual stress and improve metal cutting processability. According to different purposes of heat treatment, he ...

Hebei Haihao Group is one of the leading manufacturers for pipe fittings and Flanges. We have focused on this filed for almost 40 years and has established good relationships with many customers all over the world. We can provide good products with high quality according to the customers’ ...