Style B - Y Strainer (Cast Iron)


Cast Iron

250# NPT Threaded

(ASTM A 126, Class B)

Steam, water, oil or gas where protection from foreign matter in a pipeline is required.

The Style B features a tapered bushing in sizes ¼” thru 2” and bolted cover with gasket for sizes 2-1/2”, 3” and 4”. All Style B strainers are furnished standard with a NPT blow-off connection and can be supplied with a cast iron blow-off plug upon request.

Standard screens are 20 mesh 304 stainless steel through size 2”. Sizes 2- 1/2”, 3” and 4” are furnished with 1/16” perforated 304 stainless steel screens. All screens are spot welded for maximum strength. Different size perforations and meshes are available in stainless steel, monel, and brass to meet specific media requirements. If media is not indicated, screens for water will be supplied.

Please refer to PDF brochure for full details and available sizes.

Working Pressures - Non Shock

Nom. Rating Media 1/4" to 4" 8mm to 100mm
250# Threaded Steam 250 PSI @ 406°F 1724 KPa @ 208°C
W.O.G. 400 PSI @ 150°F 2759 KPa @ 66°C

Product Codes

Cast Iron 250 lb NPT Connection Size Suggested Max. Flow
YS-B1000 1/4" 2 GPM (US)
YS-B1001 3/8" 4 GPM (US)
YS-B1002 1/2" 6 GPM (US)
YS-B1003 3/4" 13 GPM (US)
YS-B1004 1" 23 GPM (US)
YS-B1005 1-1/4" 32 GPM (US)
YS-B1006 1-1/2" 55 GPM (US)
YS-B1007 2" 100 GPM (US)
YS-B1008 2-1/2" 150 GPM (US)
YS-B1009 3" 220 GPM (US)
YS-B1010 4" 350 GPM (US)
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