Series CV 588

KOENIG EXPANDER® Series CV 588 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 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

KOENIG EXPANDER® SEALING PLUGS Series CV 588
Part Number	d1	l1	(l2)	d₂	d₃ max	l₃ min.	x	(s)	Packaging Unit*	Weight in gram/pcs.
Part Number	d1	l1	~ Ref.	_{+0.1 0}	d₃ max	l₃ min.	±0.1	~ Ref	Packaging Unit*	Weight in gram/pcs.
CV 588-040	4	4	5.2	4	3.3	3.8	0.2	1.4	100 / 1000	0.36
CV 588-050	5	5.5	7	5	4.3	5.3	0.2	1.9	100 / 1000	0.76
CV 588-060	6	6.5	8.6	6	5.3	6.3	0.2	2.3	100 / 1000	1.28
CV 588-070	7	7.5	10.1	7	6.2	7.3	0.2	2.8	100 / 1000	2
CV 588-080	8	8.5	11.7	8	7.2	8.3	0.2	3.4	100 / 1000	2.96
CV 588-090	9	10	13.7	9	8.2	9.8	0.2	3.7	100 / 1000	4.31
CV 588-100	10	11	15.2	10	9.2	10.8	0.2	4.2	100 / 500	5.88

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 /	G-AISi7Mg/
mm	AISI 1144	ASTM A536: 80-60-03	ASTM A536: 65-45-12	EN AW-2024-T3	EN-AC-42100
				AA: 2024 T4/T6*	ASTM/UNS: A356
Ø 4 – 9	1000 bar / 14500 psi
Ø 4 – 9	350 bar / 5000 psi
Ø 10	860 bar / 12500 psi
Ø 10	280 bar / 4000 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.