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Structure Features 1. Check valves meet criterions domestic and abroad, and can be manufactured with reasonable structure, reliable sealing, and excellent performance; 2. Various kinds of pipe flange standards and sealing face patterns are optional; 3. Full range of body materials applicable to all operating conditions; 4. Connection types of body and bonnet: Class150～Class900 with bolted bonnet; Class1500～Class2500 with self-pressure sealing bonnet. Check valves with different structures and connection types are available. Specifications Pressure rating | ANSI 150-2500LB | Applicable temperature | ≤600℃ | Nominal diameter | 10-1200mm | Suitable medium | Water, steam, etc. |
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