Series CV 588 Inch

KOENIG EXPANDER® Series CV 588 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 CV 588 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 (316) ASTM A580, Passivate, QQ-P-35C

Ball: Stainless Steel, AISI 316, Wax Film Lubrication (Diameter Dependant)

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Video Of Series CV 588 Inch

KOENIG EXPANDER® SEALING PLUGS Series CV 588 Inch
Part Number	d1	l1	(l2)	d2	d₃ max	l₃ min.	x	(s)	Packaging Unit*	Weight in gram/pcs.
			~ Ref.	0.004			±0.004	~ Ref
				0
CV 588-156	0.156	0.158	0.21	0.1562	0.13	0.149	0.008	0.053	100 / 1000	0.35
CV 588-187	0.187	0.217	0.27	0.1875	0.16	0.208	0.01	0.066	100 / 1000	0.71
CV 588-218	0.218	0.217	0.28	0.2187	0.19	0.208	0.01	0.078	100 / 1000	0.94
CV 588-250	0.25	0.256	0.34	0.25	0.22	0.247	0.01	0.094	100 / 1000	1.42
CV 588-281	0.281	0.296	0.4	0.2812	0.25	0.287	0.01	0.11	100 / 1000	2.92
CV 588-312	0.312	0.335	0.46	0.3125	0.281	0.326	0.01	0.129	100 / 1000	3.88
CV 588-343	0.343	0.394	0.52	0.3437	0.312	0.385	0.01	0.14	100 / 500	4.11
CV 588-375	0.375	0.394	0.54	0.375	0.343	0.385	0.01	0.153	100 / 500	4.86

PRESSURE PERFORMANCE
	Base Material of the Installation
	Base Material of the Installation
Series	High Strength Steel	Ductile Cast Iron	Ductile Cast Iron (Dura-Bar.)	Aluminum-Alloy	Cast Aluminum-Alloy
CV 588	ETG-100 / 44SMn28	EN 1563: GJS-600-3	EN 1563: GJS-450-10	AICu4Mg1 / EN AW-2024-T3	G-AISi7Mg / EN-AC-42100
inch	AISI 1144	ASTM A536: 80-60-03	ASTM A536: 65-45-12	AA: 2024 T4/T6*	ASTM/UNS: A356
Ø 0.156 – 0.375	1000 bar / 14500 psi
Ø 0.156 – 0.375	350 bar / 5000 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.