Temporary Cone Strainer, Commissioning or Startup Strainer, Witches Hat Strainers
Monarch Fabricated Temporary Cone Strainer

Monarch fabricated temporary cone and basket strainers are constructed of a heavy gauge perforated metal with holes on off-set centres to catch debris in pipelines during start-up.

Temporary cone or basket strainers can be fabricated to almost any length in 304 or 316 Stainless Steel. Standard lengths are 100% or 150%. This refers to the open area of the cone or basket to the cross section of the inlet pipe.

Temporary basket strainers are shorter in length than temporary cone strainers. Temporary cone or basket strainers can be supplied with mesh lining on the inside or outside of the cone or basket depending upon the orientation of the cone or basket to the flow of the media. Temporary basket strainers will have a slightly higher pressure loss across them than temporary cone strainers. Temporary plate strainers will have the highest pressure drop.

Special reinforcing rings and supports can be installed to maintain integrity of the cone or basket for heavy load applications where the differential pressure will exceed 20-30 psi.

When Enquiring please specify:

  • Flange Type (e.g. ANSI, Table D etc)
  • Flange Size
  • Perforation or mesh Size
  • Open Area Ratio to Pipe
  • If mesh lined, please specify the direction of flow
  • Material of construction: 304 or 304 Stainless Steel
The following dimensions are based on using 1/8” perforations on 3/16” centre. Percentage of open area to cross section of schedule 40 pipe.
Dimensions are in (in)
Size A B L
100% 150% 200% 300%
3/4 2-1/8 5/8 2-1/4 2-1/4 3 3-3/8
1 2-1/2 3/4 2-5/8 2-3/4 3 5
1-1/2 3-1/4 1-1/4 3-3/16 4 5 6-3/4
2 4 1-3/4 3-1/2 6 8 9-1/8
2-1/2 4-3/4 2-1/4 4-1/16 6-1/4 8 10-1/8
3 5-1/4 2-3/4 4-1/4 6-3/4 9 12-3/4
4 6-3/4 3-3/4 5 10 12 16-1/8
5 7-5/8 4-5/8 6 12 14 20-5/8
6 8-5/8 5-3/8 7 13 18 25-5/8
8 10-7/8 7-3/8 8-3/16 17 23 32-1/4
10 13-1/4 9-3/8 12 22 28 40
12 16 11 13 26 34 49
14 17-3/8 12-1/4 15 27 36 54
16 20-1/8 14 17 30 40 62
18 21-1/4 15-3/4 19 35 46 71
20 23-1/2 17-1/2 21 39 51 79
24 27-7/8 21-1/4 25 45 61 94-7/8
Drawing of Monarch Temporary Cone Strainer, Commissioning or Startup Strainer

When Enquiring please specify:

  • Flange Type (e.g. ANSI, Table D etc)
  • Flange Size
  • Perforation or mesh Size
  • Open Area Ration to Pipe
  • If mesh lined, please specify the direction of flow
  • Material of construction: 304 or 304 Stainless Steel
The following dimensions are based on using 1/8” perforations on 3/16” centre. Percentage of open area to cross section of schedule 40 pipe.
Dimensions are in (in)
Size A B L
100% 150% 200% 300%
3/4 2-1/8 5/8 2-1/4 2-1/4 3 3-3/8
1 2-1/2 3/4 2-5/8 2-3/4 3 5
1-1/2 3-1/4 1-1/4 3-3/16 4 5 6-3/4
2 4 1-3/4 3-1/2 6 8 9-1/8
2-1/2 4-3/4 2-1/4 4-1/16 6-1/4 8 10-1/8
3 5-1/4 2-3/4 4-1/4 6-3/4 9 12-3/4
4 6-3/4 3-3/4 5 10 12 16-1/8
5 7-5/8 4-5/8 6 12 14 20-5/8
6 8-5/8 5-3/8 7 13 18 25-5/8
8 10-7/8 7-3/8 8-3/16 17 23 32-1/4
10 13-1/4 9-3/8 12 22 28 40
12 16 11 13 26 34 49
14 17-3/8 12-1/4 15 27 36 54
16 20-1/8 14 17 30 40 62
18 21-1/4 15-3/4 19 35 46 71
20 23-1/2 17-1/2 21 39 51 79
24 27-7/8 21-1/4 25 45 61 94-7/8
Drawing of Monarch Temporary Cone Strainer, Commissioning or Startup Strainer

When Enquiring please specify:

  • Flange Type (e.g. ANSI, Table D etc)
  • Flange Size
  • Perforation or mesh Size
  • Open Area Ration to Pipe
  • If mesh lined, please specify the direction of flow
  • Material of construction: 304 or 304 Stainless Steel
The following dimensions are based on using 1/8” perforations on 3/16” centre. Percentage of open area to cross section of schedule 40 pipe.
Dimensions are in (in)
Size A B L
100% 150% 200% 300%
3/4 2-1/2 5/8 2-1/4 2-1/4 3 3-3/8
1 2-3/4 3/4 2-5/8 2-3/4 3 5
1-1/2 3-5/8 1-1/4 3-3/16 4 5 6-3/4
2 4-1/4 1-3/4 3-1/2 6 8 9-1/8
2-1/2 5 2-1/4 4-1/16 6-1/4 8 10-1/8
3 5-3/4 2-3/4 4-1/4 6-3/4 9 12-3/4
4 7-1/2 3-3/4 5 10 12 16-1/8
5 9-3/8 4-5/8 6 12 14 20-5/8
6 10-3/8 5-3/8 7 13 18 25-5/8
8 12-1/2 7-3/8 8-3/16 17 23 32-1/4
10 15-5/8 9-3/8 12 22 28 40
12 17-7/8 11 13 26 34 49
14 19 12-1/4 15 27 36 54
16 21-7/8 14 17 30 40 62
18 23-3/4 15-3/4 19 35 46 71
20 26-5/8 17-1/2 21 39 51 79
24 30-7/8 21-1/4 25 45 61 94-7/8
Drawing of Monarch Temporary Cone Strainer, Commissioning or Startup Strainer

When Enquiring please specify:

  • Flange Type (e.g. ANSI, Table D etc)
  • Flange Size
  • Perforation or mesh Size
  • Open Area Ration to Pipe
  • If mesh lined, please specify the direction of flow
  • Material of construction: 304 or 304 Stainless Steel
Steam, water, oil or gas where protection from foreign matter in a pipeline is required. These strainers are installed between flanges for inexpensive protection of mechanical equipment.
  • Chemical processing
  • Petroleum
  • Power generation
  • Marine
  • Water
  • Oil & Gas
  • Offshore
  • Iron & Steel
  • Automotive
  • HVAC
  • Pulp & Paper
  • Food & Beverage
  • Pharmaceutical
 
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