alve description:
Name: Pressure Seal Bonnet (PSB) Swing Check Valve.
Design: ASME B16.34.
Body: ASTM A216-WCB/WCC/WCA/LCB/LCC A217 WC9.WC6 C5 C11 C12
Nominal size: 2INCH-24 Inch.
Nominal class: Class 1500LB-4500.
Connection ends: butt welded ends.
Face to face: as per ASME B16.10-short length.
Test and inspection: API 598.
Technical parameters and characteristics
| Product | Pressure Seal Bonnet Swing Check Valve | |
| Nominal diameter | NPS 2” ～ 30” | DN50 ～ DN750 |
| Design temp. | -196℃ ～ 593℃ | |
| Design pressure | class 900 ～ 2500 | PN 160 ～ PN420 |
| Material | A216 WCB, WCC, A217 WC6, WC9, C5, C12A, A352 LCB, LCC, A351 CF8, CF8M, CF3M, CF8C, CN3MN, CK3MCUN, CN7M, A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN), ASTM B 148 C95800, C95500 |
|
| Design standard | ASME B16.34 | DIN 3352 |
| Face to Face | ASME B16.10 | EN558 series |
| Connection end | RFF, RTJ, BW | EN1092 series |
| Test standard | API 598, ISO 5208 | EN12266-1 |
| Operation | NO | |
| Application | electric power, petroleum refining, petrochemical engineering, offshore oil, chemical engineering |
|
| Function 1 | Pressure Seal Bonnet The bonnet gasket to be metal sealing, RTJ ring - SS 304 for a long service |
|
| Function 2 | Design as per ASME B16.34 | |
| Function 3 | Inside of shaft/ outside of shaft | |
| Function 4 | Outside of shaft: could be mounted lever counterweight damper | |
| Function 5 | Large size of check valve could be mounted hydraulic damping cylinder | |
