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  • Rubber Expansion Joint
  • Stainless Steel Bellows
  • PTFE Lined Expansion Joint
  • Metal Expansion Joint
  • Metal Flexible Hoses
  • Dismantling Joint
  • Flange Adaptor
  • Flexible Coupling
  • Rubber Lined Pipe
  • Non-metallic Expansion Joint
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Home >Products > PTFE Lined Expansion Joint > Pure PTFE
Pure PTFE Expansion Joint (GJQ(X)-SF)

Henan Lanphan Industry Co., Ltd. Is a leading manufacturer of stainless steel expansion joint in China. We have:
(1) Strong R&D strength;
(2) Strict Quality Control System;
(3) Perfect Test System;
(4) Professional After-sale Service Team;
(5) OEM Service.

E-mail:enquiry@lanphan.com
Product Description
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Product Description

Henan Lanphan Industry Co., Ltd:


1. Since 1988, Top 3 manufacturer of stainless steel expansion joint in China;
2. The Main Drafting Committee of National Standard for Expansion Joint;
3. Qualified Supplier for Nuclear Power Plant;
4. ISO9001: 2008 and ISO14001: 2004 Certified.

Stainless Steel Expansion Joint is the compensating element for thermal expansion and relative movement in pipelines, containers and machines. They consist of one or more metal bellows, connectors at both ends, and tie rods that depend on the application. They are differentiated according to the three basic types of movement: Axial, angular and lateral expansion joints.

Stainless Steel Expansion Joint is elastic vessel that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been stressed past its yield strength).

Features:

Economical end usage
Providing for lower initial costs in piping & construction work
Applications:

Diesel engine sets
Pipelines
Turbines
Compressors
Blowers
Vacuum pumps
Heat exchangers
Advantages:

Reduce vibration
Dampen sound transmission
Compensate lateral, torsional & angular movements
Compensate axial movements
Minimal face-to-face dimensions
Lightweight
Low movement forces required
Reduced fatigue factor
Reduced heat loss
Corrosion, erosion resistant
No gaskets
Liwei Stainless Steel Expansion Joint:


Why us:


Henan Lanphan Industry Co., Ltd. Is a leading manufacturer of stainless steel expansion joint in China. We have:
(1) Strong R&D strength;
(2) Strict Quality Control System;
(3) Perfect Test System;
(4) Professional After-sale Service Team;
(5) OEM Service.
We are your qualified supplier and reliable friends!



 

 

Parameter
1. Material List :
No. Name Material
1) Inner rubber lining IIR,CR,EPDM,NR,NBR
2) Outer rubber lining IIR,CR,EPDM,NR,NBR
3) Casing ply Polyester cord fabric
4) Flange Q235A,stainless steel
5) Strengthening ring Q235A
6) Stopper Q235A,stainless steel
7) Limit bar Q235A,35#,stainless steel
8) Nut Q235A,35#,stainless steel
 
2. Physical and Mechanical Properties of Rubber Expansion Joint :
No. Item index Measured value
Inner/outer rubber lining
1) Tensile strength (Mpa) ≥12 13.5
2) Tensile yield (%) ≥450 560
3) Tension set at break (%) ≤25 20
4) Hardness (Shore A hardness) 60±5 60
5) Brittleness temperature (°C) ≤-30 -40
6) Cohesive strength (between cord fabric) (KN/m) ≥2.0 4.8
7) 100°Cx48h
Hot air aging
Rate of Tensile Strength Reduction ≤25 15
Rate of Ultimate Elongation Reduction ≤30 20
8) Mass change (10%H2SO4*Room temperature) % ≤3 2
9) Mass change (10%H2SO4*Room temperature) % ≤3 2
 
3 Technical Parameters for Double Sphere Flexible Rubber Joint :
DN
Diameter
FF Length (mm) Axis displacement Radial displacement Deflexion
displacement
Type-I Type-II Type-I Type-II Type-I Type-II
mm inch Extension Compression Extension Compression
32 1¼″ 90 6 10     9   ±7.5°  
40 1½″ 95 7 10     9   ±7.5°  
50 2″ 105 7 10     10   ±7.5°  
65 2½″ 115 7 13     11   ±7.5°  
80 3″ 135 8 15     12   ±7.5°  
100 4″ 150 10 19     13   ±7.5°  
125 5″ 165 12 19     13   ±7.5°  
150 6″ 180 12 20     14   ±7.5°  
200 8″ 210 16 25 30 35 22 25 ±7.5° ±10°
250 10″ 230 16 25 30 40 22 25 ±7.5° ±12°
300 12″ 245 16 25 30 40 22 25 ±7.5° ±12°
350 14″ 255 16 25 35 45 22
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