DINGSHENG PIPE INDUSTRY

China OEM Stainless Steel Flange Exporter – Lap Joint Flanges – DS PIPE

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China OEM Stainless Steel Flange Exporter – Lap Joint Flanges – DS PIPE Detail:

Description

Lap Joint Flanges are a less requested type of flange with an extended hub and a machined radius at the base of the flat face. This curved radius allows for the placement of a pipe fitting known as a stub end.

This type of flange is made to saddle over stub end fitting for rotation. The pair are an excellent choice for situations which require a constant removal and re-installation in order to inspect the connection. This combination allows for the rotation of the lap joint over the stub end for accurate bolting.

Lap joint flange with a stub end and the radius on the face, below:

Lap Joint Flanges01
Lap Joint Flanges02

The hubs are typically taller than a slip on style and can be modified per your requirements. Slip ons in higher pressure classes are often made with the height of a lap joint for a better connection. If the hub height is not a concern and a lap joint is not readily available, customers will sometimes opt for a slip on made to a lap joint style with a machined hub.

Often times, a stub end will be made of a special material grade (nickel alloy), with the lap joint consisting of basic carbon or commodity stainless, in order to reduce the overall cost of the connection. Naturally, we recommend that both items are of the same grade for the purposes of uniformity, but your application will determine what’s best and/or necessary.

Lap Joint Flanges03

Lap Joint Flanges must be used with their associated stub end. The stub is welded to the pipe and the Lap Joint then works as a backing ring. The main advantage of this type of flange is that the bolt holes can be aligned with the matching flange after the welds have been completed. A Lap Joint Flange is not suitable for areas with high external or dynamic loads. A Swivel Ring Flange should be used for this type of application.

China leading Lap Joint Flanges manufacturer (www.dingshengflange.com)
one-stop OEM and manufacturing for Lap Joint Flanges in Stainless Steel


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China OEM Stainless Steel Flange Exporter –  Lap Joint Flanges – DS PIPE detail pictures


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The key to our success is "Good Product Excellent, Reasonable Rate and Efficient Service" for China OEM Stainless Steel Flange Exporter – Lap Joint Flanges – DS PIPE , The product will supply to all over the world, such as: Japan, Thailand, Casablanca, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Amber from Naples - 2018.06.30 17:29
    This is a honest and trustworthy company, technology and equipment are very advanced and the prodduct is very adequate, there is no worry in the suppliment.
    5 Stars By Emily from Cambodia - 2017.09.30 16:36
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