KOENIG EXPANDER® Series CV 173 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 173 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.
Sleeve: Aluminum 2024-T4, QQ-A 225/6
Ball: Stainless Steel, AISI 302/304, Wax Film Lubrication (Diameter Dependant)
Not all items in stock – MOQ and production lead times may apply
| Product Number | d1 | l1 | (l2) ~ Ref. | d2 +0.004 / -0 | d3 Max | l3 min. | x ±0.004 | (s) ~ Ref. | Packaging Unit | Weight in gram/pcs. | 3D CAD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 173-156 – Inch Series | 0.156 | 0.158 | 0.21 | 0.1562 | 0.13 | 0.149 | 0.008 | 0.053 | 100 / 1000 | 0.19 | View CAD |
| CV 173-187 – Inch Series | 0.187 | 0.217 | 0.27 | 0.1875 | 0.16 | 0.208 | 0.01 | 0.066 | 100 / 1000 | 0.37 | View CAD |
| CV 173-218 – Inch Series | 0.218 | 0.217 | 0.28 | 0.2187 | 0.19 | 0.208 | 0.01 | 0.078 | 100 / 1000 | 0.55 | View CAD |
| CV 173-250 – Inch Series | 0.25 | 0.256 | 0.34 | 0.25 | 0.22 | 0.247 | 0.01 | 0.094 | 100 / 1000 | 0.87 | View CAD |
| CV 173-281 – Inch Series | 0.281 | 0.296 | 0.4 | 0.2812 | 0.25 | 0.287 | 0.01 | 0.11 | 100 / 1000 | 1.6 | View CAD |
| CV 173-312 – Inch Series | 0.312 | 0.335 | 0.46 | 0.3125 | 0.281 | 0.326 | 0.01 | 0.129 | 100 / 1000 | 1.93 | View CAD |
| CV 173-343 – Inch Series | 0.343 | 0.394 | 0.52 | 0.3437 | 0.312 | 0.385 | 0.01 | 0.14 | 100 / 500 | 2.58 | View CAD |
| CV 173-375 – Inch Series | 0.375 | 0.394 | 0.54 | 0.375 | 0.343 | 0.385 | 0.01 | 0.153 | 100 / 500 | 3.25 | View CAD |
| CV 173-406 – Inch Series | 0.406 | 0.434 | 0.59 | 0.4062 | 0.375 | 0.425 | 0.01 | 0.162 | 100 / 500 | 4.2 | View CAD |
| CV 173-437 – Inch Series | 0.437 | 0.512 | 0.68 | 0.4375 | 0.406 | 0.503 | 0.01 | 0.166 | 50 / 250 | 5.7 | View CAD |
Dimensions in inches
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| Series CV 173 inch |
Base Material of the Installation | ||||
|---|---|---|---|---|---|
|
High Strength Steel
ETG-100/44SMn28 AISI 1144 |
Ductile Cast Iron
EN 1563: GJS-600-3 ASTM A536: 80-60-03 |
Ductile Cast Iron (Dura-Bar®)
EN 1563: GJS-450-10 ASTM A536: 65-45-12 |
Aluminum-Alloy
AICu4Mg1/EN AW-2024-T3 AA: 2024 T4/T6* |
Cast Aluminum-Alloy
G-AISi7Mg / EN-AC-42100 ASTM/UNS: A356 |
|
| Ø 0.156 – 0.437 | 650 bar / 9400 psi 210 bar / 3000 psi |
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| 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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