Underground Fully Welding Ball Valve, trunnion type used with petroleum industry, natural gas and water, made of stainless steel。
Size:8"-40" Pressure Rate: Class150-300
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Underground Fully Welding Ball Valve, used with petroleum industry, natural gas and water, made of stainless steel.
Size:1/2"-40" Pressure Rate: Class150-300
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Underground Fully Welding Ball Valve, used with petroleum industry, natural gas and water, made of stainless steel.
Size:1/2"-30" Pressure Rate: Class150-300
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