Series MB 600 Inch

The KOENIG EXPANDER® Series MB 600 Inch plugs effectively seal 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 Inch 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.

Material:

Sleeve: Stainless Steel 1.4305.

Ball: Stainless Steel 1.4301 (1.4034 MB 600-093)

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Video Of Series MB 600 Inch

KOENIG EXPANDER® SEALING PLUGS Series MB 600 Inch
Part Number	d1	l1	(l2)	d2	d₃ max	l₃ min.	x	(s) ~ Ref.	Packaging Unit*	Weight in gram/pcs.
			~ Ref.				0
							-0.012
MB600-093A	0.093	0.1	0.12	0.0937	0.062	0.095	0.012	0.031	100 / 1000	0.07
MB600-125A	0.124	0.138	0.172	0.125	0.093	0.125	0.012	0.047	100 / 1000	0.17
MB600-156A	0.156	0.15	0.196	0.1562	0.125	0.13	0.012	0.059	100 / 1000	0.31
MB600-187A	0.187	0.193	0.259	0.1875	0.156	0.152	0.012	0.079	100 / 500	0.53
MB600-218A	0.218	0.225	0.301	0.2187	0.187	0.187	0.012	0.094	100 / 500	0.86
MB600-250A	0.249	0.26	0.352	0.25	0.218	0.212	0.012	0.109	100 / 500	1.26
MB600-281A	0.281	0.285	0.38	0.2812	0.25	0.25	0.012	0.118	100 / 500	1.87

PRESSURE PERFORMANCE
	Base Material of the Installation
Series	High Strength Steel	Case Hardened Steel	Ductile Cast Iron	Gray Cast Iron	Aluminum-Alloy	Aluminum-Alloy	Cast Aluminum-Alloy
MB 600	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
inch	AISI 11441	AISI 10L15	ASTM A536: 80-60-03	ASTM A48: NO.35	AA: 2024 T4/T6*	AA: 6012-T6	ASTM/UNS: A356
Ø 0.093 – 0.281	1400 bar / 20300 psi					1200 bar / 17400 psi
Ø 0.093 – 0.281	450 bar / 6500 psi					380 bar / 5500 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.