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The KOENIG EXPANDER® Series MB 600 plug effectively seals drilled holes. These parts feature a serrated sleeve which expands as the ball is inserted, enlarging the part to the needed size and sealing the hole. For installation, push-style expanders require a hole drilled with a counter bore. If you are unsure if the MB 600 expander sealing plug series is the right component for your application, use our Product Selector to identify the best KOENIG EXPANDER part for your specifications.
Sleeve: Stainless Steel 1.4305.
Ball: Stainless Steel 1.4301
| KOENIG EXPANDER® SEALING PLUGS Series MB 600 | ||||||||||
| Part Number | d1 | l1 | (l2) | d2 | d3 max | l3 min. | x | (s) ~ Ref. | Packaging Unit* | Weight in gram/pcs. |
| ~ Ref. | +0.1 0 | ±0.2 | ||||||||
| MB 600-030 | 3 | 3.6 | 4.6 | 3 | 2.2 | 3.4 | 0.4 | 1.2 | 100 / 1000 | 0.17 |
| MB 600-040 | 4 | 4 | 5.1 | 4 | 3.3 | 3.8 | 0.2 | 1.5 | 100 / 1000 | 0.34 |
| MB 600-050 | 5 | 5.5 | 7.1 | 5 | 4.3 | 5.3 | 0.4 | 2 | 100 / 1000 | 0.68 |
| MB 600-060 | 6 | 6.5 | 8.6 | 6 | 5.3 | 6.3 | 0.4 | 2.5 | 100 / 500 | 1.18 |
| MB 600-070 | 7 | 7.5 | 10.1 | 7 | 6.4 | 7.3 | 0.4 | 3 | 100 / 250 | 1.91 |
| MB 600-080 | 8 | 8.5 | 11.6 | 8 | 7.4 | 8.3 | 0.3 | 3.5 | 50 / 250 | 2.86 |
| MB 600-090 | 9 | 10 | 13.5 | 9 | 8.4 | 9.8 | 0.4 | 4 | 50 / 250 | 4.02 |
| MB 600-100 | 10 | 11 | 15.1 | 10 | 9.4 | 10.8 | 0.4 | 4.5 | 50 / 250 | 5.5 |
| MB 600-120 | 12 | 13 | 17.8 | 12 | 10.6 | 12.8 | 0.4 | 5.5 | 25 / 100 | 9.37 |
| MB 600-140 | 14 | 15 | 20.5 | 14 | 12.7 | 14.5 | 0.4 | 6.35 | 25 / 100 | 14.81 |
| PRESSURE PERFORMANCE | |||||||
| Series MB 600 mm | Base Material of the Installation | ||||||
| High Strength Steel | Case Hardened Steel | Ductile Cast Iron | Gray Cast Iron | Aluminum-Alloy | Aluminum-Alloy | Cast Aluminum-Alloy | |
| ETG-100 / 44SMn28 | C15Pb / 1.0403 | EN 1563: GJS-600-3 | EN 1561: GJL-250 | AICu4Mg1 / EN AW-2024-T3 | AIMgSiPb / EN AW-6012-T6 | G-AISi7Mg / EN-AC-42100 | |
| AISI 1144 | AISI 10L15 | ASTM A536: 80-60-03 | ASTM A48: NO.35 | AA: 2024 T4/T6* | AA: 6012-T6 | ASTM/UNS: A356 | |
| Ø 3 – 10 | 1400 bar / 20300 psi 450 bar / 6500 psi | 1200 bar / 17400 psi 380 bar / 5500 psi | |||||
| Ø 12 – 14 | 1000 bar / 14500 psi 350 bar / 5100 psi | 900 bar / 13000 psi 280 bar / 4100 psi | |||||
| Proof Pressure Test – Ⓑ Max. allowable Working Pressure = Nominal Pressure *SFC KOENIG’s North American Engineering Department utilizes 2024-T4/T6 as a test base material. |
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