Gold Member Since 2014
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Laizhou Dongsheng Valve Co., Ltd.

Rubber Joint, Expansion Joint, Flexible Rubber Joint manufacturer / supplier in China, offering Flexible Flanged Rubber Expansion Joint, Cast Iron Valve Manufacturer China, 6 Inch Double Disc Check Valve and so on.

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Supplier Homepage Product Expansion Joint Flexible Flanged Rubber Expansion Joint

Flexible Flanged Rubber Expansion Joint

Purchase Qty.:
(Pieces)
1-9 10+
FOB Unit Price: US $15.6 US $15.5
Purchase Qty. (Pieces) FOB Unit Price
1-9 US $15.6
10+ US $15.5
Get Latest Price
Production Capacity: 50, 000 PCS/Year
Transport Package: Wooden Pallet, Plywood Case, etc
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: EJ-028
  • Kind: Sleeve Compensator
  • Head Code: Round
  • Surface Treatment: Galvanized
  • Certification: CE
  • Application: Chemical
  • Working Pressure: 1.6 MPa
  • Expansion Joint Standard: DIN2576, ANSI150lb, BS4504, JIS
  • Trademark: OEM
  • Origin: Laizhou Shandong
  • Connection: Flange
  • Type: Axial
  • Material: Cast Steel
  • Customized: Non-Customized
  • Warranty: 24 Months
  • Expansion Joint Size: Dn20-Dn1200
  • Rubber Material: EPDM, NBR, Nr, Neoprene
  • Certificate: ISO9001, CE, SGS
  • Specification: Quality Grade: CE, ISO9001 and SGS
  • HS Code: 8481804090
Product Description
Product Name: Flexible rubber joint

Size: DN20-DN1200

Standard: DIN2576, ANSI150LB, BS4504, JIS

Rubber material: EPDM, NBR, NR, NEOPRENE

Flange material: Q235 Galanized

Rubber Expansion joint, Rubber Flexible Joint, Rubber bellow
Certificate: ISO9001, CE, SGS
Type: With control rod, without control rod
Bellow Type: Single sphere, double sphere
End: Flanges
Working pressure: 0.35MPa-1.4Mpa
Working temperature: 80Deg-110 Deg
Bursting Pressure: 3.0-4.8Mpa
Flanges standatd: ANSI, JIS, BS, DN
Bellow materials: EPDM, Neopresne,
Nature rubber, Nitrile, Hypalon
Usage: The rubber joints have been supplied to every aspect of industry and builing, They are designed to compensate for axial, lateral, angular movements and vibrations in piping systems and equipment, which operate at varying conditions of pressure and temperature.
Packing: Cartons then in poly-wooden cases.
Payment: LC. DP. TT
Pressure/Temp Correction Factor
Material List :
No.NameMaterial
1)Inner rubber liningIIR,CR,EPDM,NR,NBR
2)Outer rubber liningIIR,CR,EPDM,NR,NBR
3)Casing plyPolyester cord fabric
4)FlangeQ235A,stainless steel
5)Strengthening ringQ235A
6)StopperQ235A,stainless steel
7)Limit barQ235A,35#,stainless steel
8)NutQ235A,35#,stainless steel

4. Physical and Mechanical Properties of Rubber Expansion Joint :
No.ItemindexMeasured value
Inner/outer rubber lining
1)Tensile strength (Mpa)≥1213.5
2)Tensile yield (%)≥450560
3)Tension set at break (%)≤2520
4)Hardness (Shore A hardness)60±560
5)Brittleness temperature (°C)≤-30-40
6)Cohesive strength (between cord fabric) (KN/m)≥2.04.8
7)100°Cx48h
Hot air aging
Rate of Tensile Strength Reduction≤2515
Rate of Ultimate Elongation Reduction≤3020
8)Mass change (10%H2SO4*Room temperature) %≤32
9)Mass change (10%H2SO4*Room temperature) %≤32

5. Technical Parameters for Double Sphere Flexible Rubber Joint :
DN
Diameter
FF Length (mm)Axis displacementRadial displacementDeflexion
displacement
Type-IType-IIType-IType-IIType-IType-II
mminchExtensionCompressionExtensionCompression
321¼″90610

9
±7.5°
401½″95710

9
±7.5°
502″105710

10
±7.5°
652½″115713

11
±7.5°
803″135815

12
±7.5°
1004″1501019

13
±7.5°
1255″1651219

13
±7.5°
1506″1801220

14
±7.5°
2008″210162530352225±7.5°±10°
25010″230162530402225±7.5°±12°
30012″245162530402225±7.5°±12°
35014″255162535452230±7.5°±12°
40016″255162535452230±7.5°±12°
45018″255162536472230±7.5°±12°
50020″255162536482230±7.5°±12°
60024″260162540502233±7.5°±12°
70028″260162540552233±7.5°±12°
75030″260

4055
33
±12°
80032″2601625455522
±7.5°±12°
90036″260162545552235±7.5°±12°
100040″260162545602235±7.5°±12°
110044″300

4560
35±7.5°±12°
120048″300162550602438±7.5°±10°
130052″300

5060
38
±10°
140056″350

5070
40
±10°
150060″350

6070
40
±10°
160064″350182560702446±7.5°±10°
180072″400182560752448±7.5°±10°
200080″450

7075
50
±10°
220080″400

7075
50
±10°
220088″500

7080
60
±10°
240096″500

8080
60
±10°
2600104″500

8580
60
±10°
2800112″550

8580
60
±10°
3000120″550

8580
60
±10°

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