FIG. 100 API-RING JOINT FLANGED END SWING CHECK VALVE

MATERIAL DATA

NOTE: CONFORMS TO API-6A, SECTION 4, IN SO FAR AS MATERIALS, TESTS, PRESSURES, AND MARKINGS.

(1:) CAST BODY MATERIALS

ASTM A487 GR. 4N CARBON STEEL

ASTM A487 GR. 4Q CARBON STEEL

ASTM A351 GR. CF8M STAINLESS STEEL

(2:) CLAPPER MATERIALS

ASTM A487 GR. 4N CARBON STEEL

ASTM A351 GR. CF8M STAINLESS STEEL

(3:) REMOVABLE SEAT MATERIALS

ASTM A105 (PVQ) CARBON STEEL

ASTM A351 GR. CF8M STAINLESS STEEL

ASTM A276 GR. 316 STAINLESS STEEL RD. BAR/TUBING

(4:) SEAL MATERIALS

STANDARD SEAL: BUNA-N (-30° F. TO +200° F.)

OPTIONAL SEAL: VITON (-15° F. TO +400° F.)

OTHER SEAL COMPOUNDS AVAILABLE ON REQUEST

(5:) COVER RTJ RING MATERIAL

ASME D16.20 / API 6A CARBON STEEL

(6:) STUD MATERIAL

ASTM A193/A193M GR. B7 CARBON STEEL

ASTM A193/A193M GR. B7M MODIFIED CARBON STEEL

ASTM A193/A193M GR. B8M STAINLESS STEEL

(7:) NUT MATERIAL

ASTM A194/A194M GR. 2-H CARBON STEEL

ASTM A194/A194M GR. 2-HM MODIFIED CARBON STEEL

ASTM A194/A194M GR. B-8M STAINLESS STEEL

(8:) COVER MATERIALS

ASTM A516 GR. 70 CARBON STEEL PLATE

ASTM A240 GR. 316 STAINLESS STEEL PLATE

AISI 4130 (PVQ) CARBON STEEL RD. BAR

ASTM A479/A479M GR. 316/316L STAINLESS STEEL RD. BAR

(9:) PIPE PLUG MATERIAL

ASTM A105 FORGED STEEL HD HEX PLUG

ASTM A182-07 FORGED STAINLESS STEEL HD HEX PLUG