Cast Steel Bolted Bonnet Swing Check Valves

 

Materials of Construction


Cast Steel Bolted Bonnet Swing Check Valves - Components and Materials of Construction
Item Part Name
46 Hinge Pin
72 Disc Nut
3 Disc Nut Pin
85 Disc Washer
71 Disc (See Note 1)
11 Seat Ring (See Note 1)
See below for balance

NOTE 1:

Disc and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown.


NO PART NAME Carbon Steel LCB LC3 WC6 WC9
13 Pipe Plugs (Not Shown) ASTM A108 Gr 1018 ASTM A276 Gr 304 ASTM A276 Gr 304 ASTM A582 Gr 416 ASTM A582 Gr 416
40 Hinge ASTM A216 Gr WCB ASTM A351 Gr CF8M ASTM A351 Gr CF8M ASTM A351 Gr CF8M ASTM A351 Gr CF8M
30 Bonnet Cap ASTM A216 Gr WCB ASTM A352 Gr LCB ASTM A352 Gr LC3 ASTM A217 Gr WC6 ASTM A217 Gr WC9
55 Bonnet Gasket Mild Steel (E) 304 SS (E) Corr. 304 SS (E) Corr. 304 SS (E) Corr. 304 SS (E)
16 Bonnet stud nuts ASTM A194 Gr 2H ASTM A194 Gr 7 ASTM A194 Gr 7 ASTM A194 Gr 2H ASTM A194 Gr 2H
98 Bonnet Studs ASTM A193 Gr B7 ASTM A320 Gr L7 ASTM A320 Gr L7 ASTM A193 Gr B7 (B) ASTM A193 Gr B7 (B)
10 Body ASTM A216 Gr WCB ASTM A352 Gr LCB ASTM A352 Gr LC3 ASTM A217 Gr WC6 ASTM A217 Gr WC9
NO PART NAME C5 C12 CA6NM CF8C CF8M
13 Pipe Plugs (Not Shown) ASTM A582 Gr 416 ASTM A582 Gr 416 ASTM A582 Gr 416 ASTM A276 Gr 316 ASTM A276 Gr 316
40 Hinge ASTM A351 Gr CF8M ASTM A351 Gr CF8M ASTM A351 Gr CF8M ASTM A351 Gr CF8C ASTM A351 Gr CF8M
30 Bonnet Cap ASTM A217 Gr C5 ASTM A217 Gr C12 ASTM A487 Gr CA6NM ASTM A351 Gr CF8C ASTM A351 Gr CF8M
55 Bonnet Gasket 304 SS (E) Corr. 304 SS (E) 304 SS (E) 347 SS (E) 316 SS (E)
16 Bonnet stud nuts ASTM A194 Gr 2H (C) ASTM A194 Gr 2H (C) ASTM A194 Gr 2H ASTM A194 Gr 2H (D) ASTM A194 Gr 2H (E)
98 Bonnet Studs ASTM A193 Gr B7 (C) ASTM A193 Gr B7 (C) ASTM A193 Gr B7 ASTM A193 Gr B7 (D) ASTM A193 Gr B7 (E)
10 Body ASTM A217 Gr C5 ASTM A217 Gr C12 ASTM A487 Gr CA6NM ASTM A351 Gr CF8C ASTM A351 Gr CF8M
  • (A) Limits std. const. to +1000°F (538°C). Special const. for maximum temperature between +1000°F (538°C) and +1110°F (599°C) available on application.
  • (B) Limits std. const. to +1000°F (538°C). Special const. for maximum temperature between +1000°F (538°C) and +1200°F (649°C) available on application.
  • (C) Limits std. const. to temperature between -20°F (-29°C) and +1000°F (538°C). Special const. for temperature between +1000°F (538°C) and +1200°F (649°C) available on application.
  • (D) Limits std. const. to temperature between -20°F (-29°C) and +1000°F (538°C). Special const. for lower temperature or temperature between +1000°F (538°C) and +1200°F (649°C) available on application.
  • (E) Class 150 gaskets are corrugated type; class 300 and up are spiral wound or double jacketed type.
  • (F) The above table lists typical materials of construction. Actual materials will meet customer’s requirements.

 

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