Detailed Buying Lead Description
Expansion bellows 3/4 inch (DN 20) nominal bore 6 inch over all length, stainless steel corrigated flexible tube of ANSI 321 or equivalenthaving 40-42 convolution per foot fitted each and with 1 inch BSPT BS21 mild steel fixed male connector .
Movement + 25 mm from center with last 20,000 cycles without any leakage or distortion.
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