密封件是一種新型輸送機械，是目前中國最具創新性的泵型。東晟密封件告訴您除了泵體材料外，確保隔膜膜片密封件泵的良好使用也是附件材料的重要選擇，其中隔膜膜片密封件材料是最重要的一種。

Pneumatic diaphragm pump diaphragm seal is a new type of conveying machinery and is currently the most innovative pump type in China. Qisheng New Materials tells you that in addition to the pump body material, ensuring the good use of the diaphragm diaphragm seal pump is also an important choice of accessory materials, among which the diaphragm diaphragm seal material is the most important one.

一、氣動隔膜泵隔膜膜片密封件的隔膜膜片密封件包括：

1、三元橡膠隔膜膜片密封件：是極端低溫泵的最佳選擇，最低溫度為-51℃。它也可用于泵送稀酸或低腐蝕性液體

2、聚四氟乙烯隔膜膜片密封件：泵送高腐蝕性流體的絕佳選擇，如硫酸、香水、氯化烴、酮和乙酸鹽。

3、氯丁橡膠隔膜膜片密封件：一種出色的通用隔膜膜片密封件，適用于非腐蝕性液體的運輸，如污水處理、自來水或海水，具有優異的靈活性、經濟性和耐用性。

4、丁腈橡膠隔膜膜片密封件：是輸送含鉛汽油、柴油、液壓油、煤油等石油和油性液體的絕佳選擇。該隔膜膜片密封件更適合輸送比重和稠度高的無腐蝕性漿料。

5、氟橡膠隔膜膜片密封件：用于超高溫流體泵送的最佳選擇。最大溫度電阻為176度。它還可以輸送一些腐蝕性液體，如香精、氯化烴、強腐蝕性酸、堿和其他化學介質。

特氟龍隔膜膜片密封件（teflon）具有優異的耐腐蝕性-能夠承受熔融堿金屬、氟化介質以及300℃以上的氫氣和氧氣

The diaphragm seal of the pneumatic diaphragm pump includes:

1. Three element rubber diaphragm seal: it is the best choice for extreme cryopump, and the minimum temperature is - 51 ℃. It can also be used to pump dilute acids or low corrosive liquids

2. PTFE diaphragm seal: an excellent choice for pumping highly corrosive fluids, such as sulfuric acid, perfume, chlorinated hydrocarbon, ketone and acetate.

3. Neoprene diaphragm seal: An excellent universal diaphragm seal suitable for the transportation of non corrosive liquids, such as sewage treatment, tap water, or seawater, with excellent flexibility, economy, and durability.

4. Nitrile rubber diaphragm seal: It is an excellent choice for transporting petroleum and oily liquids such as leaded gasoline, diesel, hydraulic oil, kerosene, etc. This diaphragm seal is more suitable for conveying non corrosive slurry with high specific gravity and consistency.

5. Fluorine rubber diaphragm seal: The best choice for ultra-high temperature fluid pumping. The maximum temperature resistance is 176 degrees. It can also transport some corrosive liquids, such as essence, chlorinated hydrocarbon, strong corrosive acid, alkali and other chemical media.

Teflon diaphragm seals (Teflon) have excellent corrosion resistance - able to withstand molten alkali metals, fluorinated media, as well as hydrogen and oxygen above 300 ℃

二、氟塑橡膠隔膜膜片密封件的特點所在：

所有強酸（包括王水）、強氧化劑、還原劑和氯化鈉以外的各種有機溶劑的作用。極強的絕緣電阻-不受環境和頻率的影響，體積電阻高達1018歐姆/厘米，介電損耗低，擊穿電壓高。優異的耐高溫和耐低溫性能-溫度變化小，溫度范圍廣，可在190℃和+260℃的溫度下使用。獨特的自潤滑財產——在塑料中摩擦系數最小，是一種理想的無油潤滑材料。凸出的表面不粘——已知的固體材料不能粘附在表面，是一種表面能最小的固體材料。優異的耐大氣老化性、抗輻射性和低滲透性-長期暴露在大氣中，表面和性能不變。

The characteristics of fluoroplastic diaphragm seals are:

The effects of all strong acids (including aqua regia), strong oxidants, reducing agents, and various organic solvents other than sodium chloride. Extremely strong insulation resistance - not affected by environment and frequency, with a volume resistance of up to 1018 ohms/cm, low dielectric loss, and high breakdown voltage. Excellent high and low temperature resistance - with small temperature changes and a wide temperature range, it can be used at temperatures of 190 ℃ and+260 ℃. Unique self-lubricating property - with the smallest friction coefficient in plastic, it is an ideal oil-free lubricating material. A protruding surface is not sticky - known solid materials cannot adhere to the surface and are a type of solid material with the smallest surface energy. Excellent atmospheric aging resistance, radiation resistance, and low permeability - long-term exposure to the atmosphere, with unchanged surface and performance.

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