ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
สหรัฐอเมริกา
AWWA
C507-23
Ball Valves, 4 In. Through 60 In. (100 mm Through 1,500 mm)
2023
23
offline
The purpose of this standard is to provide the minimum requirements for 4 in. through 60 in. (100 mm through 1,500 mm) resilient and metal seated ball valves for water, wastewater, and reclaimed water supply service, including material, design, inspection, testing, marking, handling, and packaging for shipment.