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Quick Details

  • Material: Stainless Steel, Stainless Steel
  • Technics: Casting
  • Type: Flange
  • Place of Origin: Henan, China (Mainland)
  • Model Number: ldf-20 dismantling joints, lDF-20 Dismantling Joint
  • Brand Name: GYLDT Dismantling Joints, GYLDT
  • Connection: Flange
  • Shape: Equal
  • Head Code: Square
  • Name: DI PN6 Dismantling Joints
  • Place of origin: Henan China (Mainland)
  • Dismantling Joints Type: Coupling
  • Dismantling Joints Shape: Equal
  • Dismantling Joints Technics: Casting
  • HS code: 73064000
  • Applicable Media: Sea Water, Slurry, Industrial Sewage.

Packaging & Delivery

Packaging Details plastic bags, wooden box, or according to your demand
Delivery Time within 3-30 days according to your order



DI PN6 dismantling joints


Features and Benefit:


  • Compensate for differences in flange to flange distance
  • Simplify the installation of pipelines
  • Integrate a valve or pump into a flanged pipe network
  • Flange connection, flange drilling can base on DIN PN6/16/25, ANSI CLASS150/300, JIS, EN, etc
  • Reduce assembling time
  • Dismantle for service, inspection and maintenance
  • Epoxy powder coating and bolting made of steel
  • Drinking water approved












Nominal diameter:

DN80mm to DN3000mm

Maximum working pressure:

4.0 Mpa

Vacuum KPa(mmHg)


Operating temperature:


Corrosion resistance


Applicable media

Sea water, drinking water, slurry, industrial sewage.

Packaging & Shipping

ØPackaging Details: carton + wooden case

ØDelivery Period: 7-15 days

       1. Size under DN200mm will be packed with Carton.
       2. Size above DN250mm will be packed with Plywood case.
       3. Every case will be customized to suit each delivery.
       4. Contact GYLDT if there is special requirements of package.


1. Delivery time of a 40’ container is 20 days for normal products. And it will take 15 days even more for customized products. 

2. Delivery by airto parts of Asian countries and European countries

                            2 days to Asian countries;

                            3 days to European countries;

                            4 days to Australia, North America, South America and Africa.

                   by train: to part of Asian countries and European countries

                            16 to 18 days to Hamburg, Germany;

                            12 to 13 days to Moscow, Russia;

                            13 to 14 days to Klaipeda, Lithuania;

                   by sea

                           10 days to Asian Countries.

                           30 days to European Countries;

                           45 days to Australia, North America, South America and Africa.


Our Services

ØTechnical Support

      GYLDT provides our detailed operating manual as well installation consultation for our customers in case of your need. In addition, our technicians will check the goods together with you to reduce mistakes to the minimum.

ØAfter-sales Service

    In order to help customers solve problems timely and provide technical support, we have established a comprehensive “after-sales service and technical support” response system. 7 * 24 hours online service is always for customers!



Company Information

      Gongyi Liangda Tubes Co., Ltd., (briefly named GYLDT), is a leading manufacturer and supplier devoted to the valves and pipe fittings design and production in China.

    Since its foundation in 1989, the world has witnessed the rapid development of GYLDT. Nowadays our products are much richer for each customer to choose, such as a series of gate valve, butterfly valve, check valve, rubber joint, flange joint, etc., and they usually win our customers’ good appreciation and deep trust. With our good quality, advanced technology, and professional after-sale services, our brand “GYLDT” has earned its high reputation in both international and domestic markets.

    We sincerely hope to build a mutual reciprocal relationship with each cooperative partner, and always looking forward to serving friends from all over the world to the fullest.


A Glimpse of Our Hot Sales!







    By strictly adhering management innovation, and insisting quality control, GYLDT has got a series of official permission due to its effective management. First, our products got a permission to be used as drinking water; then our company was named as the “China Green Star” as well as obtained ISO9001-2000 Quality System Certification in 2010; and it also won certification from Environmental Management System and Occupational Health and Safety Management System in 2012. With our insistent endeavors, GYLDT never stops to delicate best products for every customer! 


1. How long have your company run on pipelines?

Our company has over 20 years’ experience of manufacturing and selling pipelines, and now we also offer fire equipment as a new brand.


2. Can you design customized pipelines according to my need?

Of course we can. Our company provides custom service for you, but it is better to have your detailed requirements or drawing.


3. What certificates you have attained yet?

We have passed ISO9001-2000 Quality System Certification and the certification from Environmental Management System and Occupational Health and Safety Management System.


4. Why is your price higher than others?

 We produce best quality products by using top and classic materials and paying highest attention to product details, and provide excellent after-sales services, so you can trust and choose our company without any question!


5. What about the cooperation process?

It involves confirming details of the order, charging deposit, production arrangement, paying the balance, and handling shipment, etc.


6. What kind of payment terms do you accept?

L/C, T/T, Western Union are our common payment methods for offline orders.


7. What’s the delivery time?

In general, the delivery time is different due to different transportation ways. You can discuss it with our staff.


8. How about your after-sales service?

We provide effective after-sales service for you, with a product warranty for your goods.

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