All products follow EN, ISO, AWWA standards, suitable for water supply, wastewater, irrigation and fire-protection systems.
Double-Sphere Rubber Expansion Join
Keywords:
Category:
Rubber Expansion Joint
Material of Each Parts
| No. | Part | Material |
|---|---|---|
| 1 | Body | EPDM, NR, CR, IIR, NBR, FKM |
| 2 | Inner & Outer Rubber | EPDM, NR, CR, IIR, NBR, FKM, PTFE |
| 3 | Body Carcass | Nylon cord fabric |
| 4 | Reinforcing Ring | Multi-strand coppering steel wire |
| 5 | Flange | Cast and forged carbon steel (Q235) Stainless steel (201, 304, 316, 321) Plastic (CPVC, PVDF, PPH, UPVC, RPP) |
Technical Parameters
| Item/Model | KXT-10 | KXT-16 | KXT-25 | Note |
|---|---|---|---|---|
| Mpa Working Pressure | 1.0（10） | 1.6（16） | 2.5（25） | A.If media is oil,acid or alkali. B.If special requirements for working temperature C.If OEM orders with drawings or samples D.Please inform us about above when ordering |
| Mpa Burst Pressure | 2.0（20） | 3.0（30） | 4.5（45） | |
| Kpa Vacuum | 53.3（400） | 86.7（650） | 100（750） | |
| Applicable Temperature(℃) | -20°C~+115°C(-30°C~+250°C) -20°C~+115°C(-30°C~+250°C under special conditions) | |||
| Applicable Medium | Air,compressed air,water,sea water,oil,acid,alkali,etc. | |||
| Note: the materials of main parts are the same with those of KXT type | ||||
Main data
DN Nominal Diameter | (L) (mm) | Axial Displacement (mm) | Horizontal isplacment | Angular Deflection | ||
| mm | inch | Extension | Compression | |||
| 40 | 1.5 | 165 | 10 | 20 | 20 | 30 |
| 50 | 2 | 165 | 10 | 20 | 20 | 30 |
| 65 | 2.5 | 175 | 10 | 20 | 20 | 30 |
| 80 | 3 | 175 | 10 | 20 | 20 | 30 |
| 100 | 4 | 225 | 15 | 30 | 25 | 30 |
| 125 | 5 | 225 | 15 | 30 | 25 | 30 |
| 150 | 6 | 225 | 15 | 30 | 25 | 30 |
| 200 | 8 | 325 | 20 | 40 | 30 | 30 |
| 250 | 10 | 325 | 20 | 40 | 30 | 30 |
| 300 | 12 | 325 | 20 | 40 | 30 | 30 |
| 350 | 14 | 350 | 20 | 40 | 30 | 30 |
| 400 | 16 | 350 | 20 | 40 | 30 | 30 |
| 450 | 18 | 350 | 25 | 45 | 30 | 30 |
| 500 | 20 | 350 | 25 | 45 | 30 | 30 |
Notes
1. For OEM orders with special requirement, rubber joints should be made according to customers drawings. Generally, flange standard is GB/T91 15.1-2000, other GB, JB, HG, CB, ANSI, DIN, BSEN, NF, EN, IS, ISO flanges are also available upon request. Material of rubber body can be NR natural rubber, EPDM, Neoprene, IIR butyl rubber, NBR Buna-N, FKM, etc.
2. When rubber joints size above DN200 are used for overhead water supply system, the pipes must be equipped with fixed supports or fixed brackets, otherwise control units should be installed on rubber joints.
3. Matching flanges of rubber joints should be valve flanges or GB/T9115.1(RF) flanges.
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.
Inquire Immediately
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Contact Phone
Contact Email
Business Hours
Monday – Saturday: 8:30–18:00 (Sunday available for urgent support)
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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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TEL / WHATSAPP：+86 18742582390
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EMAIL：mengkewu2@gmail.com
ADDRESS：Xicun Town Pipeline Industrial Zone, Gongyi City, Henan Province, China
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Email:mengkewu2@gmail.com
WhatsApp:+86-19742582390
Tel:+86-13298404888
Add: Xicun Town Pipeline Industrial Zone, Gongyi City, Henan Province, China
Ready to start your project?
Get a free quotation today and let our team support your pipeline solution.