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CLASSIFICATION
Cast and forged steel valves for oil and gas systems

American standard cast steel swing check valve

Low fluid resistance; Close quickly and move sensitively; Low impact closure, less likely to cause water hammer; Can choose heavy hammer or gear opening structure; Soft seal design options; Option to lock the valve disc position in the fully open position; Optional sheath insulation design.

Category:

check valve

Consultation Hotline:

0086-512-6270-1855

technical manual

Product Message

Product characteristics

Low fluid resistance;

Close quickly and move sensitively;

Low impact closure, less likely to cause water hammer;

Can choose heavy hammer or gear opening structure;

Soft seal design options;

Option to lock the valve disc position in the fully open position;

Optional sheath insulation design.

technical specifications

Product parameters

Nominal size	2" ~48" (DN50~DN1200)
pressure rating	Class150LB~900LB
body material	WCB, CF8, CF8M, CF3, CF3M, LCB, 2205 Etc.
Design standards	BS1868, ASME B16.34
face-to-face	ASME B16.10
End flange	ASME B16.5, ASME B16.47
welded ends	ASME B16.25
Inspection and Testing	API 598
mark	NACE MR-01-75

Bill of Material

NO.	Part name	Standard materials	Stainless steel	low-temperature environment	high temperature environment	acidic environment
1	valve body	ASTM A216 WCB	ASTM A351 CF8M	ASTM A352 LCC	ASTM A217 WC9	ASTM A216 WCB
2	Sealing surface	ASTM A105N+STL.6	ASTM A182 F316+STL.6	ASTM A350 LF2+STL.6	ASTM A182 F22+STL.6	ASTM A105N+STL.6
3	Valve flap	ASTM A216 WCB+Cr13	ASTM A351 CF8M	ASTM A352 LCC+STL.6	ASTM A217 WC9+STL.6	ASTM A216 WCB+Cr13(NACE)
4	joystick	ASTM A216 WCB	ASTM A351 CF8M	ASTM A352 LCC	ASTM A217 WC9	ASTM A216 WCB
5	pin	ASTM A276 410	ASTM A276 316	ASTM A276 316	ASTM A276 410	ASTM A276 410(NACE)
6	Valve disc nut	ASTM A276 410	ASTM A276 316	ASTM A276 316	ASTM A276 410	ASTM A276 410(NACE)
7	pin shaft	ASTM A182 F6a	ASTM A276 316	ASTM A182 F316	ASTM A276 420	stainless steel
8	Plug pin	ASTM A105N	ASTM A182 F316	ASTM A350 LF2	ASTM A182 F22	ASTM A105N
9	shim	Graphite pad/RTJ ring	Graphite pad/RTJ ring	Graphite pad/RTJ ring	Graphite pad/RTJ ring	Graphite pad/RTJ ring
10	Cover plate stud	ASTM A193 B7	ASTM A193 B8	ASTM A320 L7	ASTM A193 B16	ASTM A193 B7M
11	Bonnet Nut	ASTM A194 2H	ASTM A194 8	ASTM A194 7	ASTM A194 4	ASTM A194 2HM
12	bonnet	ASTM A216 WCB	ASTM A351 CF8M	ASTM A352 LCC	ASTM A219 WC9	ASTM A216 WCB