Pneumatic high-performance V-shaped regulating ball valve

氣動(dòng)高性能V形調(diào)節(jié)球閥is designed with a special V-shaped notch, which has accurate flow characteristics and control capabilities, and is suitable for solid granular media with high rated flow coefficient, large adjustable ratio There is a strong scissor force and self-cleaning ability between the valve core and valve seat, especially suitable for controlling suspensions and solid particles containing fibrous or small particles

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