---
doc_id: gebo-04.621.60.4203-en
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language: en
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data_valid_from: '2026-08-04T11:16:06+00:00'
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# brass tapping clamp for copper pipes - type MB - with EPDM-seal – GEBO 04.621.60.4203

Brass sealing & tapping clamps for permanent use with copper pipes! Our brass sealing clamps are suitable for sealing holes and cracks caused by mechanical damage in water pipes, as well as for sealing corrosion holes in water pipes. They can also be used for stainless steel pipes if the outer diameter of the stainless steel pipe matches the outer diameter of the copper pipe.

Data as of: 2026-08-04

## Master data – 04.621.60.4203

Article number: 04.621.60.4203  
GTIN: 4019576021971  
Product name: brass tapping clamp for copper pipes - type MB - with EPDM-seal  
Manufacturer: GEBO  
Product group: geboclamps  
Product type: MB  
Product series: Brass tapping clamps Copper pipes

## Technical data – 04.621.60.4203

Pipe types: Copper pipe  
Pipe standards: DIN EN 1057  
Hierarchy type: variant  
Thread size 1 in ″: 1  
Thread type 1: jointing thread Rp  
DN: 40  
Outer diam. 1: 42 mm  
Threaded connection: Female thread  
Thread standard: DIN EN 10226-1, ISO 7/1  
Product type: MB  
Materials: brass  
Series: 621  
Seal materials: EPDM

## Dimensions & weight – 04.621.60.4203

A: 80 mm  
B: 58 mm  
C: 78 mm  
D: 73 mm  
E: 44 mm  
Net weight: 0,67 kg

Dimensional drawing: https://www.gebo.group/assets/media/89/891/3360x2520/standard/MB_Baureihe_621.c48e89f9.webp

## Areas of application – 04.621.60.4203

Media: Heating water, drinking water cold  
Pipe types: Copper pipes, copper pipes soft  
Max. Operating temp.: 25 °C, 90 °C  
Max. operating p.: 4 bar, 6 bar, 10 bar

### drinking water cold in Copper pipes – 04.621.60.4203

Medium: drinking water cold  
Pipe type: Copper pipes  
Maximum operating temperature: 25 °C  
Maximum operating pressure: 10 bar

### Heating water in Copper pipes – 04.621.60.4203

Medium: Heating water  
Pipe type: Copper pipes  
Maximum operating temperature: 90 °C  
Maximum operating pressure: 6 bar

### Heating water in copper pipes soft – 04.621.60.4203

Medium: Heating water  
Pipe type: copper pipes soft  
Maximum operating temperature: 90 °C  
Maximum operating pressure: 4 bar

## Images & video – 04.621.60.4203

Main image: https://www.gebo.group/assets/media/91/910/804x804/standard/04.621.60.2802_GBR_1.67265611.webp  
Additional images: https://www.gebo.group/assets/media/91/912/804x804/standard/04.621.60.2802_GBR_3.c6a698c0.webp, https://www.gebo.group/assets/media/91/911/804x804/standard/04.621.60.2802_GBR_2.24a616e7.webp  
Dimensional drawing: https://www.gebo.group/assets/media/89/891/3360x2520/standard/MB_Baureihe_621.c48e89f9.webp

## Downloads – 04.621.60.4203

Assembly instructions: https://www.gebo.group/en/redirect/assembly-instructions/04.621.60.4203/  
GEBO Catalogue (Catalogue): https://www.gebo.group/assets/media/30/3003/CATALOG_GEBO_EN_2026.pdf

## Availability – 04.621.60.4203

Available in: de-DE, en, fr-FR