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The VETZ Series 1-pc Floating Ball Valve has an intergral body and its seat retainer is threaded into the body by which avoids a leakage coming from the connection between body and bonnet. So most of end users are using it instead of full welded ball valves of which the cost and maintenance are quite high. Meanwhile, it has fire-safe, antistatic, blow-out proof stem etc. functions. The VETZ Series 1-pc Ball Valve line is offered in flanged SW and NPT end body configurations, 1/2" thru 10", Class 150 and 300. Series 1-pc Ball valves are available with full port and regular port bores. These high quality 1-piece intergral body ball valves are manufactured and tested in conformance with the requirements of BS5351 and API 598 specifications.