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20G高壓鍋爐管16×2-2.5-4
20G高壓鍋爐管18×2.3-4-5
20G高壓鍋爐管20×2.5-3-5
20G高壓鍋爐管24×2.5-3-4-5-6
20G高壓鍋爐管25×2.5-3-4-5-6
20G高壓鍋爐管28×3-3.5-4-5-6
20G高壓鍋爐管32×3.5-4-5-6-8
20G高壓鍋爐管34×4-5-6-8
20G高壓鍋爐管36×3.5-5-6-8
20G高壓鍋爐管38×4-5-6-7-8-9-10
20G高壓鍋爐管39×3.5-5-8-10
20G高壓鍋爐管42×3.5-4-5-6-7-8-9-10
20G高壓鍋爐管45×3.5-4-5-6-7-8-9
20G高壓鍋爐管48×3.5-4-5-6-7-8-9-10
20G高壓鍋爐管51×3.5-4-5-6-7-8-9-10
20G高壓鍋爐管56×3.5-4-5-6-7-8-9-10
20G高壓鍋爐管57×3.5-5-6-7-8-9-10-12
20G高壓鍋爐管60×3.5-4.5-5-6-7-8-9-12-14
20G高壓鍋爐管63×3.5-4.5-5-6-7-8-9-10-12-14
20G高壓鍋爐管68×4-4.5-5-6-7-8-9-10-12-14-16
20G高壓鍋爐管70×4-4.5-5-6-7-8-9-10-12-15-16
20G高壓鍋爐管73×4-4.5-5-6-7-8-9-10-12-15
20G高壓鍋爐管76×4-4.5-5-6-7-8-9-10-12-14
20G高壓鍋爐管83×4.5-5-10-12-14-16-18-20
20G高壓鍋爐管108×4.5-5-6-7-8-10-12-14-18-20-22
20G高壓鍋爐管114×4.5-5-6-7-8-10-12-14-18-20
20G高壓鍋爐管121×4.5-5-6-7-8-10-12-14-16-20
20G高壓鍋爐管127×4.5-5-6-7-8-10-12-14-16-20
20G高壓鍋爐管133×4.5-6-8-12-14-16-18-20-25-30
20G高壓鍋爐管140×5-6-7-8-9-10-12-14-16-20-22
20G高壓鍋爐管146×4.5-6-8-12-14-16-18-20-25-30
20G高壓鍋爐管152×4.5-6-8-12-14-16-18-20-25-30
20G高壓鍋爐管159×4.5-6-10-12-14
20G高壓鍋爐管159×16-18-20-22-25-30
20G高壓鍋爐管168×8-10-12-14-20-25-30-35
20G高壓鍋爐管180×8-12-16-25-30
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20G高壓鍋爐管194×6-8-12-16-20-25-30-40-45-50
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20G高壓鍋爐管245×8-10-14-17-20-22
20G高壓鍋爐管245×25-28-30-34-40
20G高壓鍋爐管273×7-9-12-15-18-20-25
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20G高壓鍋爐管299×8-12-16-20-24-28
20G高壓鍋爐管351×10-16-20-25-40
20G高壓鍋爐管355×6-18-20-25-30-40/52
20G高壓鍋爐管377×8-12-15-20-24-28
20G高壓鍋爐管377×30-37-40-45-50
20G高壓鍋爐管402×10-15-20-25-30-35
20G高壓鍋爐管406×10-20-25-28-35-40
20G高壓鍋爐管426×10-12-14-16-20-25-30-35-40
20G高壓鍋爐管450×10-12-14-16-20-25-34-40-50
20G高壓鍋爐管480×10-12-14-16-18-20-25-30-40
20G高壓鍋爐管500×10-12-14-16-20-25-34-40-50
20G高壓鍋爐管510×10-12-14-16-20-25-34-40-50
20G高壓鍋爐管530×10-12-14-16-18-20-30-40
20G高壓鍋爐管560×10-14-16-20-25-30-40-50-60
20G高壓鍋爐管580×10-14-16-20-30-40-50-70
20G高壓鍋爐管600×10-14-18-25-20-30-50-60
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20G高壓鍋爐管630×10-20-30-40-55
20G高壓鍋爐管640×12-25-32-40-50-65