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Flow Direction: Unidirection
Standard: ANSI
Application: Industrial Usage
Size: 20inch
Body: Wcb
Disc: 13cr
Seat: 13cr
Connecion: ANSI 16.5
Trademark: GL valve
Specification: CE, ISO
Origin: China
HS Code: 84818010
Weld Swing Check Valve with CE ISO API certificates:1. Body: WCB
2. Pressure rate: Class 600
3. Size range: 20"
4. Pin: F6a
 Standards:
 1) Design and manufacture: API 600
 2) Face to face/end to end: ANSI B16.10
 3) Flange dimensions: ANSI B16.5,
 4) Butt welding dimensions: ANSI B16.25
 5) Pressure temperature rating: ANSI B16.34
 6) Inspection and test: API598
Nantong Weizhuo Environmental Protection Equipment Co.,Ltd , https://www.cwznts.com