Product

Non stagnant ball valve

Brand：Pneumatic eccentric butterfly valve 型號：wzlqf

Non stagnant ball valve
The following is a comprehensive technical analysis of the hysteresis free ball valve:
Core Structure and Design Features
Fully enclosed valve body design
The structure adopts a valve seat that completely wraps around the sphere, eliminating residual space for the medium, which is particularly suitable for the biopharmaceutical and food industries. The inner surface roughness Ra is ≤ 0.6 μ m, which meets the requirements of GMP certification.
Innovation in Sealing Systems
Spring compensated valve stem sealing design, supporting long-term high-temperature operation at 150 ℃
Adopting PTFE+15% glass fiber reinforced valve seat, the wear resistance life is increased by 3 times
Quick installation connection method
Supports ISO standard clamp connections, reducing disassembly and maintenance time by 50%, and eliminating the need to damage pipeline systems during cleaning

無滯留球閥工藝處理：

1、機(jī)械研磨
無滯溜球閥Use a metal polishing wheel to precisely grind and remove surface metal impurities to form a silky smooth surface.
2、電解拋光
無滯溜球閥By using electric polishing to remove sharp edges and smooth depressions on the metal surface, the surface morphology and structure can be improved, forming a closed chromium oxide film and enhancing the corrosion resistance of the pipeline. Before electric polishing, sanitary ball valves should be mechanically polished (mechanical polishing must be grinding and polishing) to make the product surface smoother and eliminate dead corners.
3、光亮退火
無滯溜球閥The stainless steel material used for the valve body is heated online to 1050 ℃ and then rapidly cooled to below 100 ℃ under hydrogen protection. On the one hand, it eliminates internal stress, and on the other hand, it forms a passivation film on the surface of the pipeline to improve its corrosion resistance.
4、酸洗或鈍化
無滯溜球閥The residual particles on the surface of the pipeline can be removed by edge pickling or passivation. Generate a very thin, dense, and well covered passivation film on the surface of the product, which can firmly adhere to the metal surface and improve corrosion resistance.

閥體規(guī)格
•尺寸范圍		1/2”~36”（DN15-DN900）
•端部連接		凸面和環(huán)連接、對焊連接、變徑法蘭、承插焊連接
•工作壓力		PN10、PN16、150LB
•溫度范圍		-30℃~+200℃
•閥體材質(zhì)		CF8、CF8M、CF3、CF3M
•密封面材質(zhì)		PTFE、食品級PTFE、PEEK、TFM4215、金屬噴涂
•設(shè)計標(biāo)準(zhǔn)		ASME B196.34
•結(jié)構(gòu)長度		ASME B16.10
•檢驗與測試		MSS SP-61.ARI598、ANSI/FCI Class VI
氣動執(zhí)行器規(guī)格
•缸體屬性	一體式設(shè)計，所有的雙作用和單作用執(zhí)行器型號，都具有相同的缸體和端蓋，很方便通過加裝彈簧或拆除彈簧來改變作用方式。
•端蓋屬性	一體式設(shè)計，所有的雙作用和單作用執(zhí)行器型號，都具有相同的缸體和端蓋，很方便通過加裝彈簧或拆除彈簧來改變作用方式。
•缸體表面涂層	擠壓的優(yōu)質(zhì)鋁合金缸體，經(jīng)精密加工的內(nèi)孔和外部表面進(jìn)行硬質(zhì)陽極氧化處理（特殊情況下陽極氧化+特氟龍涂層），使用壽命更長，摩擦系數(shù)低。
•證書/使用標(biāo)準(zhǔn)	連接部分符合全新國際標(biāo)準(zhǔn)規(guī)范ISO5211，DN3337(F03-F25)使用產(chǎn)品安裝具有互換性、通用性。
•輸出扭矩	8um~10000um
•控制氣源	經(jīng)過濾的壓縮空氣，無需潤滑油，有潤滑油的情況下潤滑油必須適合NBR
•氣源壓力	最小氣源壓力3bar（40psi），最大氣源壓力8bar（120psi）
•介質(zhì)環(huán)境溫度	標(biāo)準(zhǔn)：-20℃~+80℃、低溫：-40℃~+80℃、高溫：-15℃~+150℃
•旋轉(zhuǎn)行程	90°、120°、135°、180°、雙向±5°調(diào)節(jié)
•安裝法蘭	DIN/ISO5211、DIN3337
•標(biāo)準(zhǔn)型	鋁合金外殼硬質(zhì)陽極氧化處理，可根據(jù)不同環(huán)境條件表面鍍鎳、氧化+聚酯噴涂、氧化+PTFE噴涂等