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.
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
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:
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
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.
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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.
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.
ZenTex Industry provides with one of the best quality knitted elastics of all sizes, with satisfied customers all over the world Zentex is one of the leading and growing manufacturers in knitting elastic in Pakistan offer superior quality at an affordable price.
Manufacturing from FDA approved materials, we follow FDS strict guideline and to ensure our Food Grade Rubber does not contain any prohibited additives or pigments
Sandwich Rubber Sheet is a multi-layer designed specifically for Mining and Quarry Industries. The Top and Bottom layer has high resistance to Abrasion and Cuts in order to withstand handling rough mining materials.
Store in a dry and ventilated environment and avoid long-term storage at a temperature above 45 â??.
Product Features :
A. The tire base is sandwiched in the middle, which has high bonding strength and tensile strength, good elasticity and elongation, and is suitable for interface change and
It has strong cracking adaptability and excellent following ability for the deformation of objects.
B .excellent chemical resistance, weather resistance and corrosion resistance.
C.Excellent adhesion, waterproof, sealing and high and low temperature resistance, and good dimensional stability.
D.It is environmentally friendly, non-toxic and tasteless, and the construction operation process is simple.
Product purpose:
(1. )The overlapping sealing of polymer waterproof coiled material is 7cm / 8cm, which is the common width.
Sealing and waterproof treatment of construction joints of subway tunnel structure in municipal engineering.
(2). Air tightness, waterproof and shock absorption treatment of color profiled plate joints and sunshine plate works.
(3) . Bonding and sealing treatment for steel structure construction.
(4) Bonding and sealing treatment in automobile assembly.
1: 1 component liquid silicone is addition type tasteless liquid mold silicone rubber, can be placed in the oven pan, resistant to high temperature 250 , long-term stability can be used within 200 . This product could be used to produce adult products, human organs, body parts, mannequin, chest pads, shoulder pads and other soft silicone rubber. Also used in food molds, candy molds, cake molds, as well as a good material for soap cake mold making.
Product Features:
1. Good resistance to high and low temperature - super reliability in operation and performance.
2. Adjustable Modulus - Design Flexibility
3. Good cold resistance (low phenyl content)
4. Good ablation resistance (medium and high phenyl content products)
5. Good resistance to radiation (high phenyl content)Application:
Basic silicone material for high temperature vulcanized silicone rubber, especially for extreme hostile environment.
Packaging and storage:
25kg cardboard box (lined with plastic bag)
The shelf life is 1 year on the unopen condition. After the expiration date, if test qualified, could also be used.
Blowout preventer (BOP)
BOP is shut in the well for oil testing, workover, well completion and operating process to prevent the blowout accident, totally enclosed and semi-closed two functions into one, has a simple structure, easy to operate, resistant to high-pressure characteristics is used to prevent blowouts safety oilfield sealing wellhead.
Oil drilling, installed at the wellhead casing head, used to control the high pressure oil, gas, water blowout. Wells of oil and gas pressure is high, the BOP can be the wellhead closed (shut). The shutter has four, alternatively bullied invaded mud, increasing the pressure of the borehole fluid column, so as to suppress the high-pressure oil and gas discharged from the drill pipe is pressed into the heavy mud.
Its type sub-ordinary blowout preventer, of universal blowout preventers and rotating blowout preventer. Ordinary BOP ram with full-and semi-closure, full closure type blowout preventer can seal the entire wellhead; semi-sealed shut wellhead annular cross-section of drill pipe exists. Universal BOP can start in case of emergency to cope with any size drill and empty wells.
Parts Lake Petro supplies apply to below BOP:
Brand: SHENKAI BOP. RONGSHENG BOP ETC OTHER FAMOUS BRAND BOP
Type:Annular BOP, Single Ram BOP, Double Ram BOP, Shear Ram BOP
Working pressure:2000psi-15000psi(14 Mpa-105Mpa)
Operating temperature:-18deg--121deg
Bore size:7 1/16"-21 1/4"
Top & bottom connection:Flanged,studded
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