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Help CenterCarbon Seel Neoprene Bellows Expansion Joint
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Specifications
neoprene bellows expansion joint1.CE&ISO CERTIFICATE
2.20years export experience
3.offer OEM production
Carbon seel neoprene bellows expansion joint
1.Introduction of rubber expansion joint :
1) Material |
EPDM, NBR, NR, Polarity rubber |
2)Construction |
Inner core, Outer cover, Frame, Metallic ring, M. I. union or Carbon steel flange |
3)Connector Approval |
Flanged, flange type Threaded, Union type Rubber Joint |
4)Type |
Single sphere or arch, Double spheres or arch |
5)Threads |
DIN, BSPT, BSP, NPS, NPT, Metric, (ISO7/1, DIN 2999, ANSI B1.20.1) |
6)Flange Drilled |
BS, DIN, ANSI, JIS or others provided drawing samples |
7)Surface |
Galvanized, Epoxy |
8)Normal Specification |
DN32 to1200mm(1 1/4 to 48 inch); For threaded union connector only be DN15 to 80mm(1/2 to 3 inch) |
9)Usage |
Protecting piping and equipments systems from stress or motion |
10)Application |
Air, Pressurized air, Water, Sea water, Hot water, Oil, Acid, Alkali etc |
Rubber Expansion Joints are designed for piping systems to absorb pipe movements, relieve stress, reduce system noise/vibration, compensate for misalignment/offset and to protect rotating mechanical equipment against start-up surge forces.
Because of rubber has superior capability in resistance of acid, alkali, oil, and electrolytic, Rubber Expansion Joint has become one of the alternatives of stainless steel and been successfully installed in tough demanding applications such as: Chemical/Petrochemical, Marine, Power Generation, Pulp/Paper, Steel Mills and Water/Wastewater Treatment.
2.Rubber expansion joint Features and Benefits
1, Versatile hand-built construction. Made in China
2, Absorbs directional movement
3, Absorbs vibration, noise and shock
4, Compensates for misalignment
5, Wide flowing arch design
6, Virtually eliminates sediment buildup
7, Economical fully molded construction
8, High vacuum rating (up to 30" Hg) can be supplied for certain sizes
9, Special grooved flange ring design, prevent rubber end pulling out
10, Solid galvanized steel floating flanges speed the installation time
11, High tensile aircraft cable is embedded in the raised face rubber ends to prevent pull out and avoids the sharp cutting edge of solid steel rings
12, No gaskets required; integrally rubber flanged design, no gaskets required, DIN PN10/16 drilling standard, other flange drilling available, including ANSI 150lb/300 lb, BS, and JIS
3.Technical conditions of rubber expansion joint
Type |
I |
II |
III |
Work pressure MPa(Kgf/cm2) |
1(10) |
1.6(16) |
2.5(25) |
Explosion Pressure MPa(Kgf/cm2) |
3.0(30) |
4.8(48) |
5.5(55) |
Vacuum KPa(mmHg) |
53.3(400) |
86.7(650) |
100(750) |
Applicable Temprature oC |
-15~115 special to -30~250 |
||
Applicable Media |
water,sea water,hot water,oil,acid,alkali etc |
||
4.Main connecting dimension of rubber expansion joint
5.The certificate of rubber expansion joint
6.The pic of rubber expansion joint:
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