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Products show
VQ640F, VQ670 pneumatic V-ball
Product Name:
VQ640F, VQ670 pneumatic V-ball
Description:

氣動V型球閥 VQ640F、VQ670

V型球閥的外形尺寸PN16-40 

公稱通徑DN 25 40 50 65 80 100 125 150 200 250 300 350 400
法蘭式L 102 114 124 165 165 194 210 229 200 240 - - -
對夾式L 50 60 75 85 100 115 135 160 200 240 - - -
H 200 250 225 235 260 270 320 340 3960 420 510 600 700

結構特點

1、V型球閥采(cai)用(yong)蝶形彈簧或(huo)圓柱彈簧加載的可動閥座(zuo)結構(gou),閥座(zuo)與V型球芯不(bu)產生(sheng)卡阻或(huo)脫離(li)等(deng)問題,密(mi)封可靠(kao),使用(yong)命長;

2、V型切口球芯(xin)與閥座間有剪切作用,特(te)別適用于(yu)含纖(xian)維、微小固體(ti)顆粒、料(liao)漿等介質;

3、球(qiu)體(ti)與閥座(zuo)密(mi)(mi)封(feng)(feng)根據工(gong)(gong)(gong)況(kuang)不同,可分(fen)別采用軟密(mi)(mi)封(feng)(feng)、噴焊(han)鎳基合金(硬(ying)度大(da)于HRC60)、超音(yin)速噴涂鎢鈷(gu)合金(硬(ying)度大(da)于HRC70)及特(te)種硬(ying)化材料等多種先進工(gong)(gong)(gong)藝,適(shi)用各種苛刻工(gong)(gong)(gong)況(kuang),軟密(mi)(mi)封(feng)(feng)適(shi)用200℃以下工(gong)(gong)(gong)況(kuang),硬(ying)密(mi)(mi)封(feng)(feng)碳鋼不超過(guo)(guo)425℃,不銹鋼不超過(guo)(guo)600℃。

4、蝸輪傳動具有精(jing)(jing)確(que)調(diao)(diao)節和可靠定位(wei)功能,流(liu)量特性近似等百分(fen)比,可調(diao)(diao)范圍大,調(diao)(diao)節精(jing)(jing)度高;

5、全開時流(liu)通(tong)能力大,壓力損失小,介(jie)質不會沉積在閥體中腔。

型號、材料及主要參數

產品型號 Bv40F-16C
Bv70F-16C
Bv40F-16P
Bv70F-16P
Bv40F-16R
Bv70F-16R
Bv40Y-16C
Bv70Y-16C
Q40Y-16P
Q70Y-16P
QV40Y-16R
Qv70-16R
Qv40F-150LbC
Qv70F-150LbC
DYQ40F-6P-64P DYQ40F-6R-64R BQ40Y-6C-64 BQ40Y-6P-64P BQ40Y-6R-64R
閥體 WCB CF8 CF8M WCB CF8 CF8M
球體 CF8 CF8 CF8M CF8氮化 CF8氮化 CF8M氮化
閥桿/固定軸 2Cr13 304 316 2Cr13 304 316
密封圈 PTFE/RPTFE/PPL/尼龍 2Cr13 CF8+STL CF8M+STL
端蓋 16Mn 304氮化 3164氮化 16Mn 304氮化 316氮化
蝸輪V型球閥 Qv后插入“3”表示,示例:BQ340F-16C Qv后插入“3”表示,示例:DYQ340F-16C
氣動V型球閥 Qv后插入“6”表示,示例:BQ640F-10C Qv后插入“6”表示,示例:DYQ640F-10C
電動V型球閥 Qv后插入“9”表示,示例:DYQ940F-16P DQv后插入“9”表示,示例:DYQ940F-16P


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