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Single Sphere Carbon Steel Zinc Plated Rubber Expansion Joint

Single Sphere Carbon Steel Zinc Plated Rubber Expansion Joint
Price: US $ 8-12/Piece
Trade Terms: FOB,CFR,EXW
Min Order: 1/Piece
Pay Type: L/C,T/T,Western Union
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°

Prod Model: DS-EJ026
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Size: Dn20-Dn1200
Working Pressure: 1.6 MPa
Product Name: EPDM Rubber Expansion Joint
Flange Materials: Carbon Steel Expansion Joint
Rubber Materials: EPDM, NBR, Nr
Flangs Standard: Bs, DIN, ANSI
Connection: Flange
Kind: Sleeve Compensator
Type: Axial
Head Code: Round
Material: Cast Steel
Surface Treatment: Galvanized
Customized: Non-Customized
Certification: CE
Warranty: 24 Months
Application: Chemical
Laizhou dongsheng valve co.,Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company. Our main products are series of check valves, including all kinds of single disc swing check valve, double disc swing check valve, flange and threaded ball check valve, flange and wafer silent check valve, stainless steel lift check valve, diaphragm valve, ball valve and butterfly valve etc.

We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicists and workers. We have 200 employees, and our factory area is 30000 square meter. We always hold "Do to the quality of survival, to the credibility of development.", so we produce every product carefully and treat every customer sincerely. Our products are used to open and close the pipeline of oil, chemical, water, gas and food etc. Our products are exported mainly to Europe, America, Africa, Southeast Asia, the Middle East and Russia etc. Our products are praised by foreign and domestic customers.

We own good quality certificated by ISO9001 and CE. Welcome friends from home and abroad to visit us. And we look forward to having a sincere and favorable cooperation with you.

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  • Laizhou Dongsheng Valve Co., Ltd.

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