A static mixer is a precision engineered device for the continuous mixing of fluid materials.Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into liquid or blend immiscible liquids. The energy needed for mixing comes from a loss in pressure as fluids flow through the static mixer.One design of static mixer is the plate-type mixer and the other device consists of mixer elements contained in a cylindrical (tube) or squared housing. Mixer size can vary from about 6 mm to 6 meters diameter. Typical construction materials for static mixer components included stainless steel, polypropylene, Teflon, PVDF, PVC, CPVC and polyacetal.
Design
In the plate type design mixing is accomplished through intense turbulence in the flow.
In the housed-elements design the static mixer elements consist of a series of baffles made of metal or a variety of plastics. Similarly, the mixer housing can be made of metal or plastic. The housed-elements design incorporates a method for delivering two streams of fluids into the static mixer. As the streams move through the mixer, the non-moving elements continuously blend the materials. Complete mixing depends on many variables including the fluids' properties, tube inner diameter, number of elements and their design. The housed-elements mixer's fixed, typically helical elements can simultaneously produce patterns of flow division and radial mixing:
Flow division: In laminar flow, a processed material divides at the leading edge of each element of the mixer and follows the channels created by the element shape. At each succeeding element, the two channels are further divided, resulting in an exponential increase in stratification. The number of striations produced is 2n where 'n' is the number of elements in the mixer.
Radial mixing: In either turbulent flow or laminar flow, rotational circulation of a processed material around its own hydraulic center in each channel of the mixer causes radial mixing of the material. Processed material is intermixed to reduce or eliminate radial gradients in temperature, velocity and material composition.
Today, static mixers are used for a wide range of different applications in many different market segments. A common application is mixing two-component adhesives (e.g., epoxy) and sealants. Other applications include wastewater treatment and chemical processing.Static mixers can be used in the refinery and oil and gas markets as well, for example in bitumen processingor for desalting crude oil. In polymer production, static mixers can be used to facilitate polymerization reactions or for the admixing of liquid additives.
1, SV type static mixer
1, the product characteristics
Unit is a cylinder assembled by certain specifications of the corrugated board, the technical characteristics: the highest degree of dispersion of 1-2μm, the unevenness of the liquid-liquid phase for σx ≤ 1-5%
2, product models, specifications, flow range
3, the product uses
Applicable to the viscosity ≤ 102 cps liquid-liquid, liquid-gas, a stretch of mixed gas, emulsification, reaction, absorption, extraction, and strengthen heat transfer process. dh ≤ 3.5 applies to viscosity ≤ of 102 cps clean media; dh ≥ 5 apply to media that may be associated with a small amount of non-bonded impurities.
2, SK type static mixer
1. Product Characteristics
The unit is installed and welded by laterally twisting spiral slices in single pore passage. Technical characteristics: Highest dispersion degree≤10μm, liquid-liquid and liquid-solid nonuniformity.
2. Product Model
We have developed DN10~DN500 SK static mixers with processing range of 0.15m3/h~706m3/h. SK static mixers are suitable for mixing, reaction, extraction, absorption, injection molding, color combination and heat transfer processes in chemical industry, petroleum, pharmacy, food, fine chemical industry, plastic, environmental protection, synthetic fiber, mining and metallurgy and other departments, and mixing process of low, medium and high pressure equipment, especially high-viscosity mediums with less flow and impurities or viscosity≤106cp.
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specifications
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DN
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specifications
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DN
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SL-12.5/25
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25
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SL-100/200
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200
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SL-16/32
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32
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SL-125/250
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250
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SL-20/40
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40
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SL-150/300
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300
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SL-25/50
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50
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SL-175/350
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350
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SL-40/80
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80
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SL-200/400
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400
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SL-50/100
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100
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SL-250/500
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500
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SL-75/150
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150
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SL-300/600
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600
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3. Application Field
(1) Chemical industry (2) petroleum (3) pharmacy (4) food (5) fine chemical industry (6) plastic environmental protection (7) synthetic fiber (8) mining and metallurgy (9) injection molding (10) color matching (11) papermaking (12) pulp and chlorine mixing (13) solvent deasphalting (14) acid-base neutralization (15) asphalt blending (16) petroleum products blending (17) alditol extraction (18) industrial naphthalene dephenolizing (19) liquid hydrocarbon mercaptan removal (20) mixing, color matching and heat transfer of high polymer material
3, SX type static mixer
1. Product Characteristics
Unit: Crossed bars form many X-type units by a certain rule. Technical characteristics: Mixing nonuniformity.
2. Product Model
We have developed DN50~DN500 SX static mixers with processing range of 3.5m3/h~706m3/h. SX static mixers are suitable for ≤104cp liquid-liquid reaction, mixing and absorption process or mixing and reaction process for producing high polymer fluid, and mixing process of medium, low and high pressure equipment, and have better using effects when treatment capacity is very large.
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specifications
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DN
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specifications
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DN
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SX-12.5/50
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50
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SX-50/200
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200
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SX-16.25/65
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65
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SX-62.5/250
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250
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SX-20/80
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80
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SX-75/300
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300
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SX-25/100
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100
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SX-87.5/350
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350
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SX-31.25/125
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125
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SX-100/400
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400
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SX-37.5/150
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150
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SX-125/500
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500
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3. Application Field
High polymer mixing, light acetone benzol dewaxed oil, pulp chlorization and bleaching, crude oil alkali injection flow
4, SL type static mixer
1. Product Characteristics
Unit: Crossed bars form single X-type unit by a certain rule. Technical characteristics: liquid-liquid and liquid-solid mixing nonuniformity.
2. Product Model
We have developed DN25~DN600 SL static mixers with processing range of 0.7m3/h~814m3/h. SL static mixers are suitable for mixing materials with viscosity≤106cp or high polymer mediums, heat exchanger for heat transfer, and mixing and heat transfer, and operation of heating or cooling viscous products in chemical industry, petroleum, oil and fat, and other industries.
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specifications
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DN
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specifications
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DN
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SL-12.5/25
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25
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SL-100/200
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200
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SL-16/32
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32
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SL-125/250
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250
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SL-20/40
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40
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SL-150/300
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300
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SL-25/50
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50
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SL-175/350
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350
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SL-40/80
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80
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SL-200/400
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400
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SL-50/100
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100
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SL-250/500
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500
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SL-75/150
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150
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SL-300/600
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600
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3. Application Field
(1) sewage treatment (2) high polymer mixing (3) heat transfer reaction (4) heat exchanger
5, SH type static mixer
1. Product Characteristics
The unit consists of two pore paths in which spiral slices are placed, direction of two pore paths in adjacent units dislocates at 90°, and fluid redistribution room is provided between units. Technical characteristics: Highest dispersion degree 1-2um, and liquid-liquid phase nonuniformity is:
2. Product Model
We have developed DN15~DN500 SH static mixers with processing range of 0.1m3/h~348m3/h. SH static mixers are suitable for mixing, emulsification, color combination, injection molding spinning and heat transfer processes in fine chemical industry, plastic, synthetic fiber, mining and metallurgy and other departments, and mixing process of low, medium and high pressure equipment, especially cleaning mediums with less flow, high mixing requirement and viscosity≤106cp.
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specifications
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DN
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specifications
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DN
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SL-12.5/25
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25
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SL-100/200
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200
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SL-16/32
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32
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SL-125/250
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250
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SL-20/40
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40
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SL-150/300
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300
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SL-25/50
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50
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SL-175/350
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350
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SL-40/80
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80
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SL-200/400
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400
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SL-50/100
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100
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SL-250/500
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500
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SL-75/150
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150
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SL-300/600
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600
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Note: Two-end flange dimension is enlarged for a gear according to product diameter.
3. Application Field
(1) Acrylonitrile and amine mixing (2) mixing, color matching and heat transfer of high polymer material
6, SMV type coal gas static mixer
7, SQS Series Gas and Water Mixer
Product Characteristics
SQS series gas and water mixer, as a new energy-saving and eco-friendly product, effectively uses steam to directly mix with water to heat water. Mainly comprising spray pipe, casing, net board and gasket, it is featured by low noise, no vibration, high heat exchange efficiency and energy conservation and widely used for systems of domestic and production hot water, hot water heating and heat deoxidization. When cold water passes through La Farr spray pipe, the steam sprays into water from outside of the spray pipe through many inclined orifices on pipe wall, and the water and steam is instantly and uniformly mixed in high speed flow to achieve the aim of online heating.
Steam quantity needed by different heaters for heating hot water of different temperature at rated flow is counted by the following formula:
For the specifications of different models of the heater, in the rated flow, the heating to different temperatures of the hot water to the desired amount of steam can be calculated:
D0 = D1C (T2-T1) / i0 "= D1 (qT2-qT1) / (i0"-C2T2)
Where: D1 - rated flow (t / h) C1 - water in the t1 temperature specific heat (KJ / Kg. ° C)
D0 - the required amount of steam (t / h) C2 - water temperature t2 specific heat (KJ / Kg. ° C)
T2 - heated water temperature (° C) T1 - into the heater water temperature (° C)
I0 "- into the heater in the enthalpy of saturated steam under pressure P0 (KJ / Kg)
Rated influent flow and steam pressure 0.4MPa under different heating temperature and steam consumption of the relationship:
Open system steam consumption t / h
Circulation system steam consumption t / h
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Type
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SQS
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4
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6
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8
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10
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12
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16
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20
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24Ⅰ
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24Ⅱ
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32
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40
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48
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Equipment length |
L
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240
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360
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660
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1200
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3. Product Application
Used as heating equipment in hot water heating steam instead of plate heat exchanger
Used for bathroom to heat water and feed into water tank instead of high-noise and strong-vibration steam direct heating mode
Used for preheating soft water of deaerator
Used for water-water heat exchange
8, JHF-1 Series Static Mixer
JHF-1 series static mixer is suitable for heat exchange process and polymerization reaction process of high-viscosity medium. Film coefficient of heat transfer can reach 200~400/m2.℃ for medium with viscosity of more than 3,000 cm, and volume heat transfer rate reaches 1020KW/m2.℃, improving 4~5 times than common tube type heat exchanger and 2 times than plate type heat exchanger. It is suitable for heating, cooling and heat recovery process of high-viscosity mediums.
JHF-1 strengthening heat transfer mixing reactor is specially used for strengthening heat transfer process of high-viscosity mediums. It doesn’t need to combine with other accessories and directly connects with the pipeline, and its individual heat transfer coefficient can reach 100~400W for 3,000-450,000CP high-viscosity mediums, which is 4-5 times of that of common tube type heat exchanger.
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Static mixer series |
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SK static mixer |
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SV static hybrid |
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SX/SL static mixer |
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SH static hybrid |
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