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1.2 product features The double water cooled ultra high temperature butterfly valve is made of high quality car
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Product overview Multi-layer metal hard seal butterfly valve series products are long development of the new co
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Product details The worm wheel flange type soft sealing butterfly valve uses and characteristics
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A, ptfe sealing butterfly valve USES and characteristics to the clamp The product by ptfe sealing butterfly val
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Butt welding butterfly valve The wafer butterfly valve has simple structure, small volume, light weight, only b
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