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【螺纹弹簧全启式安全阀】专业生产厂家，上海市阀商品牌。上海正钢阀门制造有限公司生产的安全阀产品质量可靠、价格合理、的售后服务。不断完善的质量管理体系及强大的技术开发团队保障螺纹弹簧全启式安全阀产品对工况的适用性、使用寿命长等特点。螺纹弹簧全启式安全阀供应商为您提供型号、资料、尺寸。制造设备，近十载螺纹弹簧全启式安全阀专业制造经验，全国大型通用阀门生产企业，为海内外用户提供高质量安全阀产品。
『螺纹弹簧全启式安全阀』专业生产厂家，由正钢生产的【安全阀】质量可靠、价格合理、售后服务完善。『螺纹弹簧全启式安全阀』适用于各种轻重工业及楼宇管道。正钢品质，共享！【安全阀】广泛应用于：化工、石化、石油、造纸、采矿、电力、液化气、食品、制药、给排水、市政、机械设备配套、电子工业，城建等领域。
螺纹弹簧全启式安全阀产品部分型号
A28H-10 A28Y-10P A28Y-10R8 A28Y-25R8 A28Y-40R8 A28H-16 A28Y-16P A28Y-16R8 A28Y-25R8 A28Y-40R8
螺纹弹簧全启式安全阀产品介绍
A28H型适用于工作温度≤200℃的空气、蒸汽、水、氮氢混合气等介质的设备或管路上，A28Y-P/10R8适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。
A28H type are used for the equipment and pipeline of the air, N2, H2 mixed gas vapour etc.medium what the working temp-erature are less than 200 . A28Y-P/10R8 type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than 200 . Take for extra pressure protedion devices.
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主要零部件材料 Explanation of materials for main parts  |
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| NO. | Name of part | A28H Materials | A28Y-P Materials | A28Y-R8 Materials |
| 1 | Body | HT200 | ZG1Cr18Ni9Ti | CF8M |
| 2 | Nozzle | 35 | ZG1Cr18Ni9Ti | CF8M |
| 3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 5 | Spring | 50CrVA | 50CrVACoated Teflon | 50CrVACoated Teflon |
| 6 | Stem | 2Cr13 | 2Cr13 | 316 |
| 7 | Adjusting bolt | 45 | 2Cr13 | 316 |
| 8 | Cap | ZG200-400 | ZG200-400 | CF8M |
| Sealing surface of material | D507 Depositing D507 |
Co Depositing stellite |
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| 10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body | |||
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