Prod. # 422L1A4A5, API 594 Face-to-Face 4" A216 WCB Body, 316SS Trim ANSI Class 150 TLW® Wafer Check Valve On DFT Inc.
Data Sheets: Figure 809 to 815 Wafer Swing Check valves, Keystone, Isolation Valves (VCTDS-03384-EN)
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Keystone 221-2-lo Keystone 2" 221 (wafer Bfv, Cast Iron Body, 304ss Disc, 416ss Stem, Epdm, Seat, Lever Operator) | Blackhawk Supply
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