色阁综合伊人av_精品少妇一区二区三区_www.日本不卡_国产人妖乱国产精品人妖

歡迎訪問(wèn)iValve,專業(yè)的鑄鐵閥門(mén)生產(chǎn)銷售商

明桿軟密封閘閥

ivalve OSY1.jpgRising Stem, Resilient Seated Gate Valve

OS&Y?(Outside Screw & Yoke)

? Huge convenience in daily water-using and repairing

If sealing parts in the bonnet are broken, we could replace the sealing parts

? Class A sealing (ZERO LEAKAGE)

? 100% testing before packing and delivery.

? Completely free and full bore self-cleaning & low-pressure loss.

? Clockwise closing (CWC) as standard, anticlockwise closing upon request.

? Operation: Manual handwheel, gearbox.

? Bonnet bolts are in Galvanized Carbon Steel, Other materials upon request.

? O-ring bonnet gasket wraps each bolt to prevent corrosion.

? Linear sealing design provides better sealing & lower closing torque.

? Potable water approved epoxy coating, fusion bonded according DIN 3476-1, EN 14901


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色阁综合伊人av_精品少妇一区二区三区_www.日本不卡_国产人妖乱国产精品人妖
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