Structure:
Sphere/Screw bolt/Nut: Carbon steel
Supported flange: ANSI,DIN,JIS,BS, SS304/Carbon steel
Working pressure: 0.6~30MPa
Working temperature: â?¤500 â??
Feature:
1.Large compensation capacity, small occupation space, small fluid resistance and
beautiful appearance.
2.Can rotate around the axis at any angle, can also bend in any direction, the bending angle is �± 15 �°, a total of 30 �°.
3.The sealing performance is good, the sealing material has large elasticity, low friction coefficient, good lubrication performance and small turning torque.
4.Can balance the blind force.
5.Can achieve universal multi-dimensional compensation, regardless of the
pipeline horizontal or axial compensation and other arbitrary directions can meet
the requirements.
Application:
Spherical compensator is a kind of equipment for solving thermal expansion and
contraction of pipelines. It can be widely used in metallurgy, petroleum, chemical,
electric power, light industry, textile, construction and national defense construction industries.
Spherical compensator is mainly suitable for pipeline connection with large ground
settlement, large vibration and complex terrain, and is installed on the pipe. The
sphere can be freely rotated within the angle �¸ of the center of rotation to compensate for the deflection of the pipeline due to foundation settlement, thermal expansion and contraction.
Type:
Direct-buried sleeve compensator
It adopts advanced sealing structure and sealing materials, and is suitable for hot water, steam, grease and other media. The sliding movement of the outer sleeve achieves the compensation of thermal expansion.
Two-way sleeve compensator
It has a telescoping core tube in both directions of the ordinary outer sleeve. The
compensation amount is twice that of the ordinary type, and it is used for two-way
compensation, reducing the length and cost of using two ordinary types.
Disposable sleeve compensator
It is used to weld the two contact surfaces of the pipeline after preheating and
expansion of the directly buried pipeline. The outer tube and the core tube can no
longer move relative to each other, and then landfill, which has the same life as
the pipeline.
Feature:
1. Compensate the axial, lateral and angular thermal deformation of the absorption
pipeline.
2. The expansion and contraction of the corrugated compensator is convenient for
the installation and disassembly of the valve pipeline.
3. Absorb equipment vibration and reduce the impact of equipment vibration on
the pipeline.
4. Absorb the deformation of the pipeline caused by earthquake and ground
subsidence.
Application:
It can be widely used in trenches and elevated pipelines in pipeline networks such
as chemical industry, petroleum, thermal power, metallurgy, urban central heating
and heating.
Structure:
1.rotary sleeve
2.packing & packing gland
3.body sleeve
4.anti-blowout retainer
5.Bolting
6.butt-welding end connection
Feature:
1. Large amount of compensation, according to the natural terrain and pipeline strength layout, a set of compensators can compensate 800m pipe section;
2. The blind plate force generated by the medium pressure is not generated, and the fixing bracket can be made small, which is especially suitable for largediameter pipelines;
3. Excellent sealing performance, no maintenance required for long-term operation;
4. Save investment;
5. Convenient design and calculation;
6. The rotary compensator can be installed on the steam underground pipe and the hot water underground pipe, which can save a lot of investment and improve the safety of operation.
Application:
Rotary expansion joints are usually deployed in overhead pipe racks. They are
widely used in hot water and steam applications, chemical & pharmaceutical
industries, pulp and paper industry, as well as petroleum refinery.
Structure:
Hose material: SUS304/SUS316L/SUS321
Braid material: SUS304/SS316
Connection material: SUS304/SUS316L/carbon steel
Connection type:
A: Loose flange on one end and fixed flange on the other end
B: Loose flanges on both ends
C: Fixed flanges on both ends
Feature:
Flange connection flexible metal hose has excellent flexibility, fatigue resistance,
high and low temperature resistance, corrosion resistance. Comparing to other
hose (rubber hose, plastic hose), flexible metal hose owns longer service life. With
the development of modern industry, flexible metal hose has a wider and wider
application range.
Application:
The application area of flange connection flexible metal hose covers aviation,
aerospace, petroleum, chemical engineering, metallurgy, electric power, paper making, wood, spinning, construction, , food, , transportation
industries, as well as in wiring protection of railway, engine, air-condition, all kinds
of machinery, automatic control equipment, electricity generation, power
transmission and etc.
Structure:
Hose material: SUS304/SUS316L/SUS321
Braid material: SUS304/SS316
Connection material: SUS304/SUS316L/carbon steel
Connection type:
A.Male thread on one end and female thread nut ( add external adapter) on the
other end
B.Female thread nut on both ends (Plane seal, spherical seal or inner cone
Seal)
C.Male thread on both ends
Manufacturing standards: GB/T14525-2010
Feature:
1.Light weight.
2.Good scalability, non-blocking and stiffness.
3.Good softness, repeated bending and flexibility.
4.Good corrosion resistance and heat resistance.
5.Rodent resistance and good wear resistance which means it can prevent the
internal wire from wearing.
6.Flexing and strong tensile property and lateral pressure resistance.
7.Soft and smooth, easy to thread, install and position.
Application:
Thread connection flexible metal hoses are widely used in many fields, such as
spinning, chemical fiber, printing and dyeing, petroleum, chemical engineering,
steel, fuel gas, air-conditioning, automobile, fire protection engineering, urban
water supply, construction and metallurgical petrochemical.
Structure:
Hose material: SUS304/SUS316L/SUS321
Braid material: SUS304/SS316
Connection material: SUS304 SUS316L/carbon steel
Connection type: All types of couplings
Manufacturing standards: GB/T14525-2010
Feature:
1.To absorb effectively vibration, noise, thermal expansion from pipeline system.
2.To resolve minor deviation because of piping connecting and eliminate the
pipeline residual stress.
3.Applied to repeated motion in high temperature areas,good anti-fatigue
performance.
4.Good flexibility,resistant to high temperature, resistant to corrosion.
Application:
Quick coupling flexible metal hoses are widely used in gas, low temperature, petroleum, petrochemical, electric power, heat, smelting, shipbuilding,
construction, heating pipelines and other fields.
Structure:
Hose material: SUS304/SUS316L/SUS321
Braid material: SUS304/SS316
Connection material: SUS304/SUS316L/carbon steel
Connection type: Pipe welded
Manufacturing standards: GB/T14525-2010
Feature:
1.Bend easily and easy to install.
2.It is able to bear corrosion resistance and heat resistance strongly, stainless
steel materials can be used safely for years.
3.Outside is covered with stainless steel wire braided, have high bearing capacity.
4.Applied to repeated motion region in high-temperature areas, good anti-fatigue
performance.
5.Size, diameter and length can be produced as customer's requirement.
Application:
Pipe welded flexible metal hoses are widely applied in the fields of
petroleum,chemical industry, aerospace, metallurgy, electricity, gas, building,
mechanical, construction, iron and steel, paper making, fabric, medicine, food and
vessels etc.
Structure:
Structure of PTFE lined flexible metal hose:
Inside: PTFE hose(smooth PTFE or convoluted)
Middle: stainless steel corrugate pipe
Outside: Stainless steel wire braid
Connection: All kinds of fittings
Feature:
1. Corrosion resistance. PTFE can completely resist industrial chemicals, and the corrosion rate is zero, and there is no pollution.
2. Cleanable and non-sticky. Low-porosity tubes will not trap bacteria, and can be easily cleaned with steam, detergent, caustic alkali or solvent.
3. Hygiene. Materials approved by FDA meet or exceed 3A requirements.
4. Compatible. It will not contaminate any media, nor will it bring any taste, color or
smell to them.
5. Durable. It is designed for use in harsh environments with severe chemical,
thermal and mechanical stress. Even after extreme thermal cycles, it will not age
or become brittle.
6. Double containment. The metal shell is the auxiliary containment.
Application:
PTFE lined flexible metal hose is widely used in chemical, petroleum, textile,
pharmaceutical, metallurgy, machinery, electronics, electricity, food and aviation.
Parameters:
Diameter: DN15-DN8000
Pressure: 0.1Mpa-4.0Mpa
Connection form: 1. Flange connection 2. Pipe welded
Axial displacement: 18MM~400MM
Standard: GB/T12777-2019
Working temperature: -196â??~+450â??
Flange standards: ANSI, DIN, JIS, GB, BS
Flange material: SS304, SS316L, SS321, carbon steel
Bellows: SS304, SS316L, SS321
Inner tube: SS304, SS316L, SS321, carbon steel
Ear plate/Tie rod/Nut: SS304, carbon steel
Feature:
1. Absorb axial, lateral and angular displacement
2. Deflection in any direction
3. The most economical and practical
4. Heat resistance, high pressure resistance, corrosion resistance, fatigue
resistance and durability
Application:
Single axial expansion joints are widely used in aerospace, marine, petroleum,
chemical, oil refining, power plants, machinery, construction, and information
industry. And single axial expansion joints are also important to other industrial
equipment manufacturing and pipeline engineering connections to effectively
ensure the high safety of the transportation of toxic, flammable and explosive
media in the pressure pipeline, avoiding the pollution of the ocean, sky, plants and
other environmental pollution caused by leakage pollution.
Type:
untied universal expansion joint
Untied universal expansion joints and pantograph linkages untied universal
expansion joint can absorb large amount of lateral deflections in addition to axial
and angular movements. Usually these type of expansion joints are provided with
control rods to distribute the movement equally between the two bellows. Control
rods are not designed to withstand pressure thrust.
tied universal expansion joint
Tied universal expansion joint is same as untied universal expansion joints, but
with addition of tie rods. These tie rods are designed to withstand the pressure
thrust and so the external movement of the expansion joint is constrained even if
the pressure thrust is increased. Angular movement can be accommodated only if
two tie rods are provided 180 degree apart. To restrict this angular movement, four
tie rods are provided at interval of 90 degrees, around the circumference of the
expansion joint.
Feature:
Absorbs large amounts of lateral deflection
Simple and robust construction
Eliminates pressure thrust load
Low maintenance
Application:
Universal expansion joints can absorb movements in all directions, and are used
in uncritical, low pressure installations like ventilation ducts, exhaust gas systems,
fresh air ventilation and process equipment.
Structure:
Bellow Material: SS321/SS304/SS316L on request
Pipe Material: Carbon Steel, the material can be customized on
request
Connection Types: Flange or Welded End
Flange Material: Carbon Steel, the material can be customized
on request
Inner Sleeve: SS321/SS304/SS316L on request
Feature:
1.Easy to absorb large expansion movements
2.Reducing the number of axial expansion joints saves on time and cost
3.Minimum application area
4.Preventing axial inaccuracies increases the system safety
5.Using internal guide rings in their design provides highly stable structure for
connections
Application:
External pressure pipeline expansion joints are suitable for pipeline systems that
require a large amount of axial compression or extension.
Typically used in steam distribution systems and LNG applications.
They can be buried or above ground.
Piping must be properly anchored and guided.
Type:
in-line pressure balanced expansion joint
It is composed of two working bellows at both ends, a balance bellows in the middle, tie rods, end plates and other structural parts. It is mainly used to absorb axial displacement and balance the pressure and thrust of the bellows.
bypass in-line pressure balanced expansion joint
Composed of two identical bellows, end ring, head, outer tube and other structural parts, it is mainly used to absorb axial displacement and balance the pressure and thrust of the bellows.
external pressurized in-line pressure balanced expansion joint
It is composed of two working bellows bearing external pressure, a balance bellows bearing external pressure, and end pipes, connecting pipes, outer pipes, end ring components and other structural parts, which are mainly used to absorb axial displacement and balance the pressure and thrust of the bellows.
Feature:
1.Simple to manufacture
2.Stable at high pressures
3.Absorbs small amounts of axial and lateral movement
4.Eliminates change in pressure
5.No main anchors required
6.Conserves space
Application:
Pressure balanced expansion joints are used with low pressure turbines, with
condensers and also with pumps and other equipment, that may be susceptible to
pressure loads
Type:
single hinged expansion joint
Composed of a bellows, pin shaft, hinge plate and vertical plate and other structural parts, it can only absorb the angular displacement in a plane and can withstand the pressure and thrust of the bellows.
universal hinged expansion joint
Composed of two bellows connected by the middle pipe and structural parts such as pin shafts, hinge plates and vertical plates, the expansion joint can only absorb lateral and angular displacement in one plane and can withstand the pressure and thrust of the bellows.
universal hinged in-line pressure balanced expansion joint
It consists of two working bellows at both ends and a balance bellows in the middle, and structural parts such as pin shafts, hinge plates and vertical plates. It is mainly used to absorb axial displacement and lateral displacement in a plane and balance the pressure and thrust of bellows.
Feature:
1.Absorbs angular movements in only one plane.
2.Eliminates pressure thrust loads.
3.Positive control over the movements.
4.Can support the dead weight of the intermediate piping.
5.Prevents torsion on the bellows elements.
6.Minimum guiding required.
7.Eliminates main anchors.
8.Low forces on piping system and adjacent equipment.
Application:
Air, Steam, Flue Gas Ducts, Power Plants
Chemical Industry, Petrochemical Industry
Gas Turbine System
Primary reformer ducts & burners
Steel Plants
Type:
single gimbal expansion joint
Composed of a bellows and pin shaft, hinge plate, universal ring and vertical plate and other structural parts, it can absorb the angular displacement in any plane and can bear
the pressure and thrust of the bellows.
universal gimbal expansion joint
Composed of two bellows connected by the middle pipe, cross pin shaft, hinge
plate and vertical plate and other structural parts, it can absorb lateral and angular
displacement in any plane and can withstand the pressure and thrust of the
bellows.
universal gimbal in-line pressure balanced expansion joint
It consists of two working bellows at both ends, a balance bellows in the middle, and structural parts such as pin shafts, hinge plates, universal rings and vertical plates, which are mainly used to absorb axial displacement and lateral displacement in any plane. And it can balance the pressure and thrust of the
bellows.
Feature:
1.Absorbs angular movements in all planes, And angular rotations, or any
combinations of these.
2.Eliminates pressure thrust loads.
3.Positive control over the movements.
4.Can support the dead weight of the Intermediate Piping.
5.Transmits external loads like wind loading and shear loading.
6.Prevents torsion on the bellows elements.
7.Minimum guiding required.
Application:
Dilatation points of the buildings
Area that seismic movements are occur
Fuel tanks
Filling Facilities
Fire pipelines
All pipelines
Description:
Elbow pressure balanced expansion joint is composed of a working bellows or two working bellows connected by an intermediate pipe and a balanced bellows and elbow or tee, head, tie rod, end plate, spherical and tapered washer and other structures. It is mainly used to absorb the combined axial and lateral displacement and can balance the pressure and thrust of the bellows. Usually, the pipeline expansion joint is a constrained general-purpose type that can accept lateral movement. Because there is also axial deflection, pressure balanced elbows are usually required.
Feature:
Absorbs axial and lateral movements
Eliminates main anchors
Minimum guiding required
Pressure forces remain in balance
No volume change
Balance-pressure thrust remains constant
Application:
Elbow pressure balanced expansion joints are used in pipelines with a change of direction. Elbow pressure balanced expansion joints are used with low pressure
turbines, with condensers and also with pumps and other equipment, that may be
susceptible to pressure loads.
Description:
PTFE lined expansion joint is corrosion resistant and can withstand high pressure and high temperature through a space-saving design. PTFE is a synthetic fluoropolymer,
which has been widely used due to its non-stick properties and resistance to certain chemicals. The pure PTFE expansion joint and PTFE lined expansion joint are specially designed for environmental corrosion applications.
Type:
1. Pure PTFE expansion joint
2. Wire braided PTFE expansion joint
3. Steel liner PTFE expansion joint
4. PTFE lined rubber expansion joint
Feature:
1.Withstands higher pressures and temperatures
2.Ideal for installation where space limitations are a factor
3.Available in two, three and five convolution construction
4.Lightweight design
5.Corrosion Resistant
Application:
PTFE lined expansion joints are widely used in paper mills, chemical plants, and
other pipeline applications that deal with acids and strong corrosive chemicals, for
displacement compensation and installation deviation caused by thermal
expansion and contraction.
Description:
Rubber expansion joints, also called rubber compensators, are flexible connectors made of natural and/or synthetic elastomers and fabrics. If necessary, internal metal reinforcement materials can be used. These materials are designed to relieve thermal movement and piping system stress caused by mechanical vibration.
Rubber expansion joint material: EPDM, NBR, NR
Type:
Single ball rubber expansion joint
Double ball rubber expansion joint
Flange connection rubber expansion joint
Threaded rubber expansion joint
Feature:
1. Good displacement compensation ability, capable of axial, lateral and angular
displacement.
2. Low noise, good vibration damping and corrosion resistance.
3. High pressure resistance, good elasticity, good displacement effect and simple
installation.
Application:
Rubber expansion joints can be widely used in heating and cooling devices, water
pipes, desalination plants, compressors, blowers and fans, cement industry,
chemical industry, glass industry, wood processing industry and other pipeline
Systems
Description:
Fabric expansion joints are extremely flexible and can be made from a variety of special woven fabrics coated or laminated with selected elastomers or fluoropolymers. Fabric expansion joints are easy to customize to suit existing operating conditions and are easy to transport and install. In comparison to metallic expansion joints fabric offers almost unlimited flexibility, giving the pipe work designer more options.
The type of fabric expansion joints are Round fabric expansion joint and Rectangular fabric expansion joint.
Featureï¼?
1.Multidimensional direction can be compensated. Various forms, large
compensation and long service life;
2.Effective compensation or elimination of installation errors;
3.Low stiffness and small elastic reaction;
4.High temperature range and good corrosion resistance;
5.It can effectively isolate vibration and reduce noise.
Applicationï¼?
Gas turbine plants
Power plants, boiler or diesel powered plants
Dust Erection Plants
Cement Industry
Chemical & Petrochemical industry
Metallurgical and smelter industry
