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Dismantling Joint

Dismantling Joint is a mechanical device used for connecting pipes, valves, or equipment, primarily designed to facilitate quick and easy disassembly, installation, or adjustment of pipeline systems without requiring extensive tools. It is widely used in industrial piping systems, particularly in applications requiring frequent maintenance or component replacement, such as water treatment plants, petrochemical facilities, heating systems, and power plants.

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Dismantling Joint

Category:

Dismantling Joint

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Other Applications

Product Features:

1.High Flexibility

Offers axial adjustment range, making alignment and installation easier.
Suitable for various pipe sizes and materials.

2.Compact Structure

Designed with flange connections, saving space and ideal for confined environments.

3.Quick Installation

Easy to disassemble and assemble, reducing downtime of the pipeline system.
Compatible with multiple standards (e.g., ISO, ANSl, EN).

4.Excellent Sealing Performance

Equipped with high-quality sealing rings to ensure reliable sealing and pressure resistance during operation.

5.Corrosion Resistance

Made of premium materials such as carbon steel, stainless steel, or coated steel, suitable for various media (e.g., water, oil, gas, or chemical liquids).

Product Structure:

Flange End: Connects to the flange interface in the pipeline system.
Adjustable Body: Allows axial movement within a specific range to accommodate different installation lengths.
Sealing Components: Made of high-temperature and high-pressure-resistant rubber or composite materials to ensure a secure seal.
Fasteners: Bolts and nuts secure the device for added stability.

Product Advantages:

Reduces issues caused by installation misalignment.
Extends the service life of pipelines and equipment.
Improves maintenance efficiency, minimizing downtime.

Typical Applications:

Water Supply Systems: For connecting and maintaining pumps, valves, and pipelines.
Sewage Treatment: Facilitates the replacement of corroded components.
Petrochemical Industry: Designed to withstand high-pressure and complex media environments.
Heating and Cooling Systems: Ensures stability for long-term operation of equipment.

Material of Each Parts

NO.	Part	Material
1	Tie bars	Carbon steel Class 8.8, zinc plated
2	Fixed body	Ductile iron/carbon steel/stainless steel
3	Gasket	EPDM/NBR rubber
4	Gland	Ductile iron/carbon steel/stainless steel
5	Sliding body	Ductile iron/carbon steel/stainless steel
6	Nut	Carbon steel Class 8.8, zinc plated

Technical Parameters

Use of media	Water
Operating Temperature	≤130°
Pressure rating	PN6-PN40 /CALSS150-900
Material	Carbon steel, stainless steel,Ductile iron
Connection type	Flange
Coating	Blue 5005 (customizable) hot melt epoxy spray thickness 250 microns

Main data

DN mm	Flange Od1 drilling mm		Od2 mm	A mm	L mm	Bolt No.	Thread
50	PN16	125	165	155	330	4	M16
65	PN16	145	185	155	330	4	M16
80	PN16	160	200	200	340	8	M16
100	PN16	180	220	220	340	8	M16
125	PN16	210	250	200	340	8	M16
150	PN16	240	285	200	350	8	M20
200	PN10	295	340	210	350	8	M20
200	PN16	295	340	210	350	12	M20
250	PN10	350	395	225	370	12	M20
250	PN16	355	405	225	380	12	M24
300	PN10	400	445	240	390	12	M20
300	PN16	410	460	240	400	12	M24
350	PN10	460	505	240	400	16	M20
350	PN16	470	520	240	410	16	M24
400	PN10	515	565	250	420	16	M24
400	PN16	525	580	250	430	16	M27
450	PN10	565	615	270	435	20	M24
450	PN16	585	640	270	450	20	M27
500	PN10	620	670	270	440	20	M24
500	PN16	650	715	270	460	20	M30
600	PN10	725	780	290	460	20	M27
500	PN16	770	840	290	500	20	M33
700	PN10	840	895	300	480	24	M27
700	PN16	840	910	300	500	24	M33
800	PN10	950	1015	315	500	24	M30
800	PN16	950	1025	315	530	24	M36
900	PN10	1050	1115	325	500	28	M30
900	PN16	1050	1125	325	530	28	M36
1000	PN10	1160	1230	335	545	28	M33
1000	PN16	1170	1255	335	570	28	M39
1200	PN10	1380	1455	345	580	32	M36
1400	PN10	1590	1675	355	630	36	M39
1400	PN16	1590	1685	355	630	36	M45
1600	PN10	1820	1915	375	700	40	M45
1600	PN16	1820	1930	375	700	40	M52
1800	PN10	2020	2115	395	640	44	M45
1800	PN16	2020	2130	400	680	44	M52
2000	PN10	2230	2325	405	640	48	M45
2000	PN16	2230	2345	410	680	48	M56

Notes

Flange norm/drilling:ISO7005/EN1092 raised face - reduced bore (RF-RB), other norms/drillings, e.g. ANSI Class on request。

Factory description

Gongyi Yuantong Pipe Industry Co., Ltd. is a professional manufacturer specializing in dismantling joints, rubber expansion joints, and metal expansion joints. Headquartered in Henan Province, China, the company leverages years of industry experience and technical expertise to provide highquality pipeline connection and compensation solutions to clients worldwide. Our products are exported to numerous countries and regions and are widely used in construction, municipal engineering, petrochemical industries, water treatment, power generation, and metallurgy.

Frequently Asked Questions

We offer free consultation to solve your problem

What is your MOQ?

For standard models, MOQ is 1–10 pieces depending on the size. Large sizes (DN1000+) can accept 1 piece.

What is your delivery time?

Normally: 15–25 days for standard dismantling joints 25–35 days for customized or large-diameter products Urgent orders can be arranged upon request.

What are your payment terms?

T/T 30% deposit + 70% before shipment, LC at sight (for large orders), Trade Assurance orders available

What certificates can you provide?

ISO9001, Material Test Certificate (MTC), Coating Thickness Report, Hydrostatic Pressure Test Report

Can you do OEM or custom design?

Yes, we offer: Customized flange drilling, Customized length & movement range, RAL color coating / FBE epoxy coating, Special materials (SS304, SS316, CS, DI), Design based on customer drawings

What coating do you use?

Standard: Fusion Bonded Epoxy (FBE) ≥250 microns, RAL epoxy paint (200–300 microns), Both suitable for drinking water and buried pipelines.

How do you pack the goods?

Strong fumigated wooden cases for small sizes, Metal pallets + straps for large diameters, Waterproof plastic film + foam protection, All packaging meets export standards.

Do you test every product before delivery?

Yes. We conduct: Hydrostatic pressure test, Sealing test, Dimensional inspection, Coating thickness inspection

Do you support third-party inspection?

Yes. SGS, BV, Intertek and customer-appointed inspectors are welcome.

Factory & Equipment

Certification

CE certification

ISO 9001 Quality Management System

ISO Environmental Management System

ISO Occupational Health and Safety Management System

Special Equipment Manufacturing License

Coating Inspection Report

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Contact Phone

+86-13298404888

Contact Email

mengkewu2@gmail.com

+86 18742582390

Business Hours

Monday – Saturday: 8:30–18:00 (Sunday available for urgent support)

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Dismantling Joint

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We are a leading manufacturer of dismantling joints and pipeline connection products with more than 20 years of experience in the water engineering industry.

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