
Installation Equipment and Accessories
Stopping plugs Flush-mounted
CMP-747-DA-T6-4 Art. No. 253021

253021 Stopping Plugs Flush Mounted
- Ex d und Ex e metal stopping plugs
- Large selection of thread types and sizes
- Operating temperature range: -60 °C to +200 °C
- Worldwide certification, IECEx, ATEX, UL and cCSAus
WebCode 747DA 
The metal Ex- d stopping plugs from the 747 series with a hexagon socket and without a projecting head enable temporary or long- term plugging of unused drilled holes. There is a wide selection of different thread sizes and types available. They have worldwide certification according to IECEx, ATEX, UL and cCSAus.
Technical Data
Explosion Protection
| Application range (zones) | 1 2 20 21 22 |
| IECEX gas certificate | IECEx CML 18.0177X |
| IECEx gas explosion protection | Ex db IIC Gb |
| IECEX firedamp certificate | IECEx CML 18.0177X |
| IECEx firedamp protection | Ex db I Mb |
| IECEx firedamp protection 2 | Ex eb I Mb |
| ATEX gas certificate | CML 18ATEX1320X |
| ATEX gas explosion protection | |
| ATEX firedamp certificate | CML 18ATEX1320X |
| ATEX firedamp protection | |
| ATEX firedamp protection 2 | |
| EAC certificate | TS RU S-GB.AA87.B.00487 |
| EAC gas explosion protection | Ex Ex d e IIC Gb X |
| EAC dust explosion protection | Ex Ex to IIIC Da X |
| Notes | The product certification and certificates can be downloaded from the manufacturer’s homepage (www.cmp-products.com) |
| Ambient Conditions | |
| Ambient temperature | -60 °C … +200 °C |
| Mechanical Data | |
| Degree of protection (IP) | IP66 |
| Material Silicone-free | Stainless steel Yes |
Installation Equipment and Accessories
Stopping plugs Flush-mounted
CMP-747-DA-T6-4 Art. No. 253021
Mechanical Data
| Drive | Hexagon socket |
| Dimension b | 16.7 mm |
| Dimension d | 49 mm |
| Outer diameter | 60.5 mm |
| Thread size | NPT2 |
| Thread length | 26.9 mm |
| Thread pitch | 22,087 |
| Impact strength (IEC 62262) | IK10 |
| Packaging unit | 1 |
| Weight | 0.29 kg |
| Weight | 0.64 lb |
Dimensional Drawings (All Dimensions in mm [inches]) – Subject to Alterations

A = Thread size
B = Length
L = Thread length
d = Dimension d
b = Dimension b
D = Outer diameter
SW = Hexagon socket width across flats
We reserve the right to make alterations to the technical data, dimensions, weights, designs and products available without notice. The illustrations cannot be considered binding.
2022-09-01
R. STAHL Schaltgeräte GmbH | Am Bahnhof 30 | 74638 WALDENBURG
V 0.54 EN
Tel. +49 7942 943 1700 | +49 7942 943 1777 | Email: [email protected] | r-stahl.com



















