SKU: SCFW3

ANSI 300 Flanged Cast Steel Swing Check Valve

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Carbon Steel Swing Check Valve. Allows for a large flow rate and little head loss/pressure drop across the valve due to the full bore design and recess for the disc to sit in when fully open. Designed to API 594, RF Flanges according to ASME B16.5, face to face according to ASME B16.10, testing and inspection according to API598.

Model DN Pressure Range (at Ambient Temp) Media Temp Weight (kg)
SCFW3-050 50 0 to 50 Bar 315°C at 38 Bar 16
SCFW3-065 65 0 to 50 Bar 315°C at 38 Bar 23
SCFW3-080 80 0 to 50 Bar 315°C at 38 Bar 29
SCFW3-100 100 0 to 50 Bar 315°C at 38 Bar 46
SCFW3-150 150 0 to 50 Bar 315°C at 38 Bar 82
SCFW3-200 200 0 to 50 Bar 315°C at 38 Bar 136
SCFW3-250 250 0 to 50 Bar 315°C at 38 Bar 204
SCFW3-300 300 0 to 50 Bar 315°C at 38 Bar 302

ANSI 300 WCB Swing Check Dimensions

Size D (Flange OD) D1 (PCD) D2 (Raised Face OD) Bore Dia. N-ød (Holes) B (Flange Thick.) H Wall Thick. Weight (kg)
50 267 ± 1.5 165 127 91.9 51 8-Ø19.0 20.7 177 10 23
65 292 190 149.4 104.6 64 8-Ø22.2 23.9 189.5 11.2 31
80 318 210 168.1 127.0 76.2 8-Ø22.2 27 203 12 40
100 356 255 200.2 157.2 102 8-Ø22.2 30.2 283 12.7 62.67
125 400 280 235 185.7 127 8-Ø22.2 33.4 310 14.5 89
150 444 320 269.7 215.9 152.4 12-Ø22.2 35.1 330.5 16 122.6
200 533 381 330.2 269.7 203.2 12-Ø25.4 39.7 411 17.6 199
250 622 445 387.4 323.8 254 16-Ø28.6 46.1 456 19.1 298.5
300 711 521 450.8 381 305 16-Ø31.8 49.3 519 20.6 445

All dimensions in mm unless shown otherwise. 

ANSI 300 WCB Swing Check Construction

No. Part Material
1 BODY ASTM A216 WCB
2 SEAT ASTM A105+13CR
3 WEDGE (2"-3") ASTM A217 CA15+13CR
  WEDGE (4"-24") ASTM A216 WCB+13CR
4 PRESSURE PAD 2Cr13
5 NUT SS304
6 COTTER SS304
7 PIN ASTM A276 420
8 ROCKER ASTM A216 WCB
9 PIN ASTM A276 420
10 STENTS ASTM A216 WCB
11 LOCK WASHER SS304
12 HEX BOLT SS304 (A2-70)
13 GASKET 304L+Graphite
14 BONNET ASTM A216 WCB
15 NUT ASTM A194 2H
16 BOLT ASTM A193 B7
17 LIFTING BOLT 20

* Note the 50mm & 65mm have no lifting bolt 

Size 50mm to 300mm
Flange ANSI 300
Body Carbon Steel (WCB)
Seat Metal
Pressure 50 Bar @ ambient

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