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Double Sphere Threaded Flexible Rubber Joints DN32 to1200mm 1 / 4 to 48 inch
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Double Sphere Threaded Flexible Rubber Joints DN32 to1200mm 1 / 4 to 48 inch

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Double Sphere Threaded Flexible Rubber Joints DN32 to1200mm 1 / 4 to 48 inch

 

Double Sphere Flanged Flexible Rubber Joints

 

Description:

 

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.

 

Specifications:

 

Type: Double spheres or arch

Construction: Inner core, Outer cover, Frame, Metallic ring, M. I. union or Carbon steel flange

Connector Approval: Flanged, flange type Threaded, Union type Rubber Joint

Ends: flange ends.

Surface: Galvanized, Epoxy

Size: DN32 to1200mm(1 1/4 to 48 inch);

       For threaded union connector only be DN15 to 80mm(1/2 to 3 inch)

Usage:Protecting piping and equipments systems from stress or motion

 

                                             

 

Table of Materials:

NO. Part Material
1 Main body Polarizde rubber
2 Lining Nylon cord fabric
3 Frame Hard steel wire
4 Flange Forged steel

 

Technical Condition:

Model CP-R02-16 CP-R02-10
Working pressure Mpa(kg.f/cm2) 1.6(16) 1.0(10)
Bursting pressure Mpa(kg.f/cm2) 4.8(48) 3.0(30)
Vacuity Kpa(mmHg) 86.5(650) 53.5(400)
Applicable temp.C 10-80
Applicable media Air,Compressed air,Water,Sea water,Weak acid,etc.
Note:The working pressure of Madel DN350-500 is 0.6 Mpa(6kgf/cm2)and the bursting pressure is 1.8 Mpa(18kgf/cm2)

 

Table of Main Parameters of Normal Core Diameter,Length,Displacement Value and Flange:

Normal core diameter
DN		 Length
L
(mm)		 No.of bolt
n		 Diameter of bolt hole d0
(mm)		 Diameter of bolt hole center circle D1
(mm)		 Axial displacement
(mm)		 Lateral displacement
(mm)		 Angle of deflection
(a1+a2)
(mm) (in.) Stretch Compression
32 175 4 17.5 100 25 50 45 35°
40 (1 1/2) 175 4 17.5 110 25 50 45 35°
50 (2) 175 4 17.5 125 25 50 45 35°
65 (2 1/2) 175 4 17.5 145 25 50 45 35°
80 (3) 175 8 17.5 160 35 50 45 35°
100 (4) 225 8 17.5 180 35 50 38 35°
125 (5) 225 8 17.5 210 35 50
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LANGFANG DINGBO HARDWARE CO.,LTD.
No.38,South Dongxin Road, Langfang, Hebei, China (Mainland)
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