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SS316 Donut Stainless Steel Mesh Pad Mist Eliminator ASTM A-478

China SS316 Donut Stainless Steel Mesh Pad Mist Eliminator ASTM A-478

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SS316 Donut Stainless Steel Mesh Pad Mist Eliminator ASTM A-478

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Payment Terms	L/C, T/T
Supply Ability	1000 pcs per month
Delivery Time	5-10 days
Packaging Details	pallet or Wooden boxes
Product Name	Wire Mesh Demister
Material	SS316L
Shape	Donut, Circle
Thickness	100mm, 150mm,200mm, Or As your required
Sections	6/8, Or according to your required
Application	Gas Liquid Mesh Filter
Grids	25*3mm flat bar
Shape & Size	Φ1700-Φ630 Φ2200-Φ820
Type	Filter Elements
Core Components	Engine, Bearing, Gearbox, Pressure vessel
Brand Name	Yuanqiao
Model Number	YQ-118
Certification	ISO9001
Place of Origin	Anping, China

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Product Specification


Payment Terms	L/C, T/T	Supply Ability	1000 pcs per month
Delivery Time	5-10 days	Packaging Details	pallet or Wooden boxes
Product Name	Wire Mesh Demister	Material	SS316L
Shape	Donut, Circle	Thickness	100mm, 150mm,200mm, Or As your required
Sections	6/8, Or according to your required	Application	Gas Liquid Mesh Filter
Grids	25*3mm flat bar	Shape & Size	Φ1700-Φ630 Φ2200-Φ820
Type	Filter Elements	Core Components	Engine, Bearing, Gearbox, Pressure vessel
Brand Name	Yuanqiao	Model Number	YQ-118
Certification	ISO9001	Place of Origin	Anping, China
High Light	SS316 Donut Stainless Steel Mesh Pad ，SS316 Donut Mesh Pad Mist Eliminator ，Mist Eliminator ASTM A-478

Wire mesh Demister Pad

1. General introduction of wire mesh demister specification

1.1 Scope

A.This Standard Specification covers the general requirements for design, construction, fabrication, and material of Mist Eliminators specified in XXX Project Specifications.

B.Exceptions or variations shown in the Project Specifications take precedence over requirements shown herein.

1. 2References

Unless noted below, use the edition and addenda of each referenced document current on the date of this Standard Specification. When a referenced document incorporates another document, use the edition of that document required by the referenced document.

A.American Society for Testing and Materials (ASTM) A-478, Specification for Chromium-Nickel Stainless and Heat-Resisting Steel Weaving and Knitting Wire.

B.ASTM B-164, Specification for Nickel-Copper Alloy Rod, Bar, and Wire.

2. Design of wire mesh demister

A.Size, style, thickness, configuration, and materials are specified in XXX Project Specification – Vessels.

B.Mist Eliminator styles are defined as follows:

Style	Material	Density lb/ft³ (kg/m³)	Wire Diameter Inches (mm)
A	Metallic	9 (144.2)	0.011 (0.28)
B	Metallic	5 (80.1)	0.011 (0.28)
C	Metallic	12 (192.2)	0.011 (0.28)
D	Polytetrafluroethylene (PTFE)	normal	0.012 (0.30)
F	Polypropylene	normal	0.012 (0.30)
G	Metallic	Variable 5 (80.1) - 9 (144.2)	0.011 (0.28)
V	Metallic	Other	normal

C.Style G is a mesh blanket having a variable knitted density. The vapor inlet section is the least dense and the outlet section the densest. Typical inlet/outlet knitted mesh densities are 5 lb/ft3 (80.1) and 9 lb/ft3 (144.2). The customer can require variable density blankets having slightly different knitted densities and wire diameters.

Style V is to be determined by the vendor, based on the process conditions provided by customer. Vendor may determine the mist eliminator type best suited to meet the mist elimination requirement. The selected style may include a mesh pad, vane or a combination of mesh & vanes. The mist eliminator may be oriented vertically, horizontally or at an angle determined by the vendor. A single pad of variable knitted density may also be applied.

3. Materials of wire mesh demister

3.1 Metallic Mesh Pads

Materials for metallic Mist Eliminators are as per customer need. Type 304 or Type 316 mesh pads can be in accordance with ASTM A-478. Monel mesh pads can be in accordance with ASTM B-164.

3.2 Non-metallic Mist Eliminators

Non-metallic Mist Eliminators shall be PTFE or polypropylene as specified in by customer.

3.3 Supports

A.Supports welded to the vessel shall be the same material as the shell. Where the shell is lined, supports welded to the lining shall be the same material as the lining.

B.Supports not welded to the shell (e.g. beams) shall be the same material as the Mist Eliminator.

3.4 Grids

A.Metallic grids can be the same material as the mesh pad

B.For non-metallic mesh pads, the grids shall be carbon steel, coated with the same material as the mesh pad.

3.5 Fastening Devices

A.For metallic mesh pads the wire ties or other fastening devices shall be of the same material as the Mist Eliminator.For non-metallic mesh pads, the grids shall be carbon steel, coated with the same material as the mesh pad.

B.For non-metallic mesh pads the wire ties can be the same material as the mesh pad.

4. Applications of some main type of demister pad:

Mesh Density	Eq to: YORK	Description
80	931	For a given load of mist, the highest flow velocity is achieved of all styles. Ideal where it is required to minimize the pressure loss, possible clogging is concerned, the size of particle to be collected is relatively large, and/or a very high efficiency is not required.
144	431	Used for general purposes. An efficiency of 98 to 99% is achieved at a velocity of 1 to 5 m/sec.
192	421	Used where an especially high efficiency is required. While a pressure loss is slightly higher, it achieves an efficiency of 99 to 100% with particle sizes 3μ or more at a velocity of 1 to 6 m/sec., and is ideal where an efficiency of 90% or more is required at a velocity of 1 m/sec. or less.
216		Used for collecting fine particles of 1 to 3μ in size. Especially for a low-density mist of 1.0 g or less, it is used in a thickness of 200 to 300 mm.
432	333	Used for collecting fine particles. An efficiency higher than that of 216 can be achieved. The most remarkable characteristic is that it provides a high efficiency with a reduced thickness.

5. Demister Advangages:

Prevention of air pollution

Reduce of costly liquid lose

Reduce of product contamination

Improvement in process efficiency

Minimizing product losses in re-boilers & evaporators

Preventing carbon & metal entrainment in down stream catalyst cracker.

Tks for your reading ,i hope my introduction can help you to make a decision ,any question ,contact me right now !

Company Details

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Business Type:

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Year Established:

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Hi,How are you ,wish everything go on well at yours, Thanks for your visting our website ,now i will make a brief introduction for you , From 1982 years,our boss Mr Du creat a store to sell wire mesh in Wuhan China,several years later,he go back our hometown Anpin... Hi,How are you ,wish everything go on well at yours, Thanks for your visting our website ,now i will make a brief introduction for you , From 1982 years,our boss Mr Du creat a store to sell wire mesh in Wuhan China,several years later,he go back our hometown Anpin...

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SS316 Donut Stainless Steel Mesh Pad Mist Eliminator ASTM A-478

Wire mesh Demister Pad

1. General introduction of wire mesh demister specification

1.1 Scope

A.This Standard Specification covers the general requirements for design, construction, fabrication, and material of Mist Eliminators specified in XXX Project Specifications.

B.Exceptions or variations shown in the Project Specifications take precedence over requirements shown herein.

1. 2References

Unless noted below, use the edition and addenda of each referenced document current on the date of this Standard Specification. When a referenced document incorporates another document, use the edition of that document required by the referenced document.

A.American Society for Testing and Materials (ASTM) A-478, Specification for Chromium-Nickel Stainless and Heat-Resisting Steel Weaving and Knitting Wire.

B.ASTM B-164, Specification for Nickel-Copper Alloy Rod, Bar, and Wire.

2. Design of wire mesh demister

A.Size, style, thickness, configuration, and materials are specified in XXX Project Specification – Vessels.

B.Mist Eliminator styles are defined as follows:

Style

Material

Density

lb/ft3 (kg/m3)

Wire Diameter

Inches (mm)

A

Metallic

9 (144.2)

0.011 (0.28)

B

Metallic

5 (80.1)

0.011 (0.28)

C

Metallic

12 (192.2)

0.011 (0.28)

D

Polytetrafluroethylene

(PTFE)

normal

0.012 (0.30)

F

Polypropylene

normal

0.012 (0.30)

G

Metallic

Variable

5 (80.1) - 9 (144.2)

0.011 (0.28)

V

Metallic

Other

normal

3. Materials of wire mesh demister

3.1 Metallic Mesh Pads

Materials for metallic Mist Eliminators are as per customer need. Type 304 or Type 316 mesh pads can be in accordance with ASTM A-478. Monel mesh pads can be in accordance with ASTM B-164.

3.2 Non-metallic Mist Eliminators

Non-metallic Mist Eliminators shall be PTFE or polypropylene as specified in by customer.

3.3 Supports

A.Supports welded to the vessel shall be the same material as the shell. Where the shell is lined, supports welded to the lining shall be the same material as the lining.

B.Supports not welded to the shell (e.g. beams) shall be the same material as the Mist Eliminator.

3.4 Grids

A.Metallic grids can be the same material as the mesh pad

B.For non-metallic mesh pads, the grids shall be carbon steel, coated with the same material as the mesh pad.

3.5 Fastening Devices

A.For metallic mesh pads the wire ties or other fastening devices shall be of the same material as the Mist Eliminator.For non-metallic mesh pads, the grids shall be carbon steel, coated with the same material as the mesh pad.

B.For non-metallic mesh pads the wire ties can be the same material as the mesh pad.

4. Applications of some main type of demister pad:

Mesh

Density

Eq to: YORK

Description

80

931

For a given load of mist, the highest flow velocity is achieved of all styles. Ideal where it is required to minimize the pressure loss, possible clogging is concerned, the size of particle to be collected is relatively large, and/or a very high efficiency is not required.

144

431

Used for general purposes. An efficiency of 98 to 99% is achieved at a velocity of 1 to 5 m/sec.

192

421

Used where an especially high efficiency is required. While a pressure loss is slightly higher, it achieves an efficiency of 99 to 100% with particle sizes 3μ or more at a velocity of 1 to 6 m/sec., and is ideal where an efficiency of 90% or more is required at a velocity of 1 m/sec. or less.

216

Used for collecting fine particles of 1 to 3μ in size. Especially for a low-density mist of 1.0 g or less, it is used in a thickness of 200 to 300 mm.

432

lb/ft³ (kg/m³)

Used for collecting fine particles of 1 to 3μ in size.
Especially for a low-density mist of 1.0 g or less, it is used in a thickness of 200 to 300 mm.