KS Series ANSI 125 Class Basket Strainer Housings
Product Code: KS Series ANSI 125 Class Basket Strainer Housings

The KS series, ANSI 125 class, Simplex basket strainers in cast iron, are in-line T strainer housings and are commonly installed into pipeline systems where debris loading is high and the collection of solids is required. Straining is achieved by using a perforated or mesh lined straining basket, inside the strainer housing. It
is important to note that the proper size of a basket strainer is determined by its job function, not by the size of the pipeline.

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These ANSI class 125 cast iron strainers are available with either NPT threaded connections from 3/8″ to 3″ or flanged (flat-faced) end connections with inlet & outlet sizes available from 1″ to 8″.
Both models are epoxy painted and have, as standard, plugged bottom drain connections. Housings come equipped with a high straining capacity, perforated 304 stainless steel basket.
Typical applications include: petroleum, oil and gas, water and wastewater, pulp and paper, transportation, chemical and petrochemical industries.

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Bill of Materials ANSI 125 Cast Iron Strainers
No. Part Material
1 Body ASTM A126 Gr. B cast iron
2 Cap/Cover ASTM A126 Gr. B cast iron
3 O-ring/Gasket Buna-N
4 Basket Strainer 304 Stainless steel
5 Studs Alloy steel
6 Nuts (not shown) Carbon steel
7 Knobs Ductile steel
8 Bottom drain plug Carbon steel

Bill of Materials represents standard materials. Equivalent or better materials may be substituted at the manufacturer’s discretion. Nuts (Part No. 6) only applies to non-standard bolted covers which are not shown.

Dimensional Data 3/8 1/2 3/4 1 1 1/2 2 2 1/2 3 4 6 8
A Face to Face – Threaded 4.562 4.562 4.562 5.312 6.312 8.25 9.625 11.25 n/a n/a n/a
A Face to Face – Flanged n/a n/a n/a 5.687 7.0 9.0 10.44 11.75 15 20.25 27.375
B Center Line to Bottom – Threaded 4.0 4.0 4.0 4.687 6.50 7.875 8.75 11.375 n/a n/a n/a
B Center Line to Bottom – Flanged n/a n/a n/a 4.687 6.50 8.0 8.75 11.50 13.75 20 24.24
C Center Line to Top – Threaded 2.50 2.50 2.50 2.75 3.0 3.625 4.0 4.50 n/a n/a n/a
C Center Line to Top – Flanged n/a n/a n/a 3.0 3.0 3.75 4.0 4.75 6.18 7.88 10.55
D NPT Plug/Blow-Off (Both) 3/8 3/8 3/8 3/8 1/2 3/4 1.0 1.0 2.0 2.0 2.0
E Clearance Needed for Basket Removal (Both) 4.82 4.82 4.82 5.88 8.2 10.2 11.88 14.82 19.88 29.2 37.2
Assembled Weight Threaded Approx. (lbs.) 5.5 5.5 5.5 8.0 14 27 36 55.5 n/a n/a n/a
Assembled Weight Flanged Approx. (lbs.) n/a n/a n/a 11.5 21 34 48.5 64 118 266 215
Flow Coefficient (Cv) 14 14 14 24 43 70 90 140 290 780 1600

 

• ASTM A126 Grade B cast iron body and cover
• Quick opening cover (knob type, as shown) is standard and a full ANSI rated bolted cover is also available
• Threaded end connection sizes: 3/8” to 3” or flanged sizes: 1” to 8”
• Both cover and basket seat o-rings are Buna-N, (other materials available)
• 304 stainless perforated basket included as standard
• Variety of basket material, perforation and mesh sizes
• Bottom drain / blow-off connection and safety vent in cover are furnished with steel plug, as standard
• Carbon steel and stainless steel units are also available

 

Working Pressures & Temperatures (non-shock)
KS Series ANSI Class 125 Cast Iron (ASTM A126 Gr. B)
W.O.G. (Water, Oil, Gas) 200 psi at 100 °F
Saturated Steam Not recommended
Maximum Liquid Not recommended

Typical applications include: petroleum, oil and gas, water and wastewater, pulp and paper, transportation, chemical and petrochemical industries.