หน้าแปลนของภาชนะความดันขนาดใหญ่
มาตรฐานการรับรอง
ASME B16.5
ISO 7005
บทนำ
Large diameter flange is widely used, the production process is divided into rolling and forging. The material is carbon steel, stainless steel and alloy steel.
Large diameter flange is a kind of flange, which is widely used and promoted in the machinery industry, chemical industry, wind power industry and sewage treatment industry, and has been praised and favored by users


