Specification
| Valve material | carbon steel, stainless steel, alloy steel, etc | 
| Valve size | 2 “~48” (DN 50~DN 1200) | 
| Pressure range | Class150~2500 (PN 16 to PN 420) | 
| Applicable temperature | -29°C~ + 560°C | 
| Link mode | pair of clip type, flange type, lug type | 
| Design criteria | API 594, ASME B16.34, API 6D | 
| Test criteria | API 598, EN12266-1, and ISO 5208 | 
| Face to face criteria | API 594, API 6D, E N 558-1 | 
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