VAN BI LÓT PPH/PVDF/PFA/FEP/Teflon
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Các bề mặt tiếp xúc với lưu chất đều được lót một lớp lót PFA dày từ 3 đến 5 mm.
Gland packing + seat: PTFE
Ball được lót PFA
Tiêu chuẩn thiết kế: BS EN 17292 (BS 5351)
Tiêu chuẩn mặt bích: ANSI B 16.10
Tiêu chuẩn kết nối: ANSI B 16.5
Tiêu chuẩn test: ISO 9392-2 / API 598/ BS EN 12266-1:2003