Code 2 NBR Rubber Diaphragm Seals Mineral Oils Resistance
Application examples
Water treatment plants, washing and cleaning installations
Plants for the food and foodstuff industries, the chemical industry and electroplating
Equipment for the photographic industry, laboratory, analytical and medical apparatus
Description
The GEMÜ NBR diaphragm code 2 has been developed for use in industrial applications, for example in the chemical industry, environmental engineering or the processing industry. The diaphragm is made of nitrile rubber.
Technical specifications
- Media temperature:-10 to 100 °C
- Diaphragm material:NBR
- Diaphragm sizes:10 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150
- Vacuum:up to 70 mbar (absolute)
Features
- Good resistance to mineral oils, greases and petrol
- Simple and defined mounting thanks to the threaded pin that is vulcanised in place with integrated screw-in stop
Replacement diaphragms from GEMÜ
for aseptic and industrial processes
Diaphragms are wearing parts. They need to be regularly inspected and replaced otherwise malfunctions can occur, possibly resulting in hazardous situations.
Specifying the maintenance cycles
The maintenance intervals for inspecting and replacing diaphragms are application-dependent. In order to determine a suitable maintenance interval, the maintenance history and the stresses placed on the parts due to frequent sterilisation, cleaning processes or frequent cycle duties must be taken into account. The type of media must also be considered; the maintenance interval is considerably shorter for viscous or abrasive working media in comparison to inert liquids, for example.
Inventory
If it has not yet been possible to conclusively document the maintenance interval, or if the diaphragm is only to be replaced in the event of leakage, we recommend creating a stockpile in order to be able to react promptly. However, the inventory should take into consideration that elastomer components have a maximum recommended storage and operating time. This is between one and six years for GEMÜ diaphragms – when they are stored correctly.
Procurement cycles
In our experience, it is worth setting up a small storage area for small, frequently used parts and establishing a rolling order system at the same time in installations with a relatively large number of diaphragm valves. In the latter case, you will automatically receive a subsequent delivery or a further delivery of diaphragms from us in a time period defined by you.
Diaphragm dimensions
* Diaphragm size
The thread of the diaphragm pin "W" corresponds to Whitworth standard.
1. Packaging is neutral packing or customized packing.
2. We will reply you within 24 hours.
3. We will also provide you with good after-sales service.
4. OEM or ODM orders are welcomed.
5. Trial orders are acceptable.
6. High quality and factory price.
7. 100% ensured the quality.
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