Pneumatic high-performance V-shaped regulating ball valve
Valve models: VQ647F, VQ647H
Diameter specification: DN15 to DN300
Structural form: O-shaped core, V-shaped core
Valve body material: cast steel (WCB), stainless steel (304, 316, 316L)
Nominal pressure: PN16, PN25, PN40, PN64
Applicable temperature: -40 ℃~-450 ℃
Application scope: sewage, steam, liquid, oil, viscous fluid, slurry, etc
Product features: high flow coefficient, strong adaptability, good sealing performance, sensitive adjustment performance
調(diào)節(jié)球閥是一種直角回轉(zhuǎn)式調(diào)節(jié)閥, 它由GT氣動(dòng)活塞式執(zhí)行機(jī)構(gòu)(單、雙作用)和V形球閥二部分組成。其密封形式主義有軟密封和金屬硬密封二種。由于氣動(dòng)V形調(diào)節(jié)球閥為直角回轉(zhuǎn)式結(jié)構(gòu),當(dāng)閥芯相對(duì)于閥座旋轉(zhuǎn)時(shí)具有較強(qiáng)的剪切作用,因此尤其適用于帶有纖維和微小顆介質(zhì)的調(diào)節(jié)控制。被廣泛用于石油、化工、電力、造紙、冶金等行業(yè)。
| 公稱通徑 | DN15~DN300(mm) |
| 公稱壓力 | 1.6、2.5、4.0、6.4MPa |
| 連接方式 | 法蘭式、對(duì)夾式、螺紋 |
| 驅(qū)動(dòng)形式 | 氣源驅(qū)動(dòng)(壓縮空氣4-7bar) |
| 溫度范圍 |
軟密封:-30~180℃;硬密封:-40~450℃
|
| 動(dòng)作范圍 | 0~90° |
| 密封材料 | 增強(qiáng)聚四氟乙烯 對(duì)位聚苯 金屬密封 |
| 適用介質(zhì) | 污水、蒸汽、液體、油品、粘性流體、漿料、腐蝕性介質(zhì)等 |
| 閥體材質(zhì) | 碳鋼、不銹鋼304、316、316L |
| 控*方式 | 智能調(diào)節(jié)型(4-20mA模擬信號(hào))可防爆,可帶手動(dòng)裝置 |












