

A46F先導(dǎo)式安全閥原理:
先導(dǎo)式安全泄壓閥是一種新穎結(jié)構(gòu)的安全閥。主要用于石油天然氣、化工、電力、冶金和城市燃?xì)獾阮I(lǐng)域,是受壓設(shè)備、容器或管路上的*超壓保護(hù)裝置。其主要優(yōu)點(diǎn)是變彈簧直接作用為導(dǎo)閥間接作用,提高了動(dòng)作的靈敏度,而且主閥采用套筒活塞式,雙重密封閥座結(jié)構(gòu),動(dòng)作精度高、重復(fù)性好、回座快、不泄漏、能帶高背壓排放、工作等命長(zhǎng)、工作穩(wěn)定可靠,它還可在線調(diào)校,反復(fù)啟跳排放后,仍然能自動(dòng)回座,關(guān)閉嚴(yán)密,操作維護(hù)方便。
Pilot operated pressure relief valve is a new structure of safety valve. Mainly used in petroleum,
chemical, electric power, metallurgy and city gas and other fields, is pressurized equipment,
container or pipeline optimal overpressure protection device. Its main advantage is the variable spring
direct acting pilot valve indirect effect, improves the action sensitivity, and the main valve adopts a
sleeve piston type, double seal valve structure, high action precision, good repeatability, return fast,
no leakage, can bring high back pressure, long life, such as discharge working stable and reliable work,
it also available online adjusting, opened repeatedly jumped after emissions, still can automatically back seat,
tight closing, convenient operation and maintenance.
A46F先導(dǎo)式安全閥主要材料: | 零件名稱(chēng) Name of part | AX46Y/F材料 Materials | KAX46Y/F材料 Materials |
| 閥體 Body | WCB | WCB |
| 閥瓣 Disc | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE |
| 導(dǎo)向套 Guide sleeve | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| 彈簧 Spring | 50CrVA | 50CrVA |
| O型圈 O type ring | 氟橡膠 Viton | 氟橡膠 Viton |
| 閥蓋 Bonnet | 25 | 25 |
| 導(dǎo)閥 Pilot valve | 部件 Part |

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