Pharmaceutical And Biotechnological Rubber Diaphragm Seals Code 3A / 13
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 code 3A/13 diaphragm is a one-piece peroxide-cured EPDM diaphragm that has been developed for use in pharmaceutical and biotechnological applications as well as for the food and beverage industries. The GEMÜ code 3A/13 EPDM diaphragm is suitable for use with abrasive media. The diaphragm is specifically compounded for GEMÜ.
Diaphragm code 3A/code 13
• Not fabric-reinforced
• With long-term reliability
• High level of customer satisfaction
• Simple assembly thanks to the rubber pin that is vulcanized in place (GEMÜ code 3A for diaphragm size 8)
• Simple and defined assembly thanks to the threaded pin that is vulcanized in place with integrated screw-in stop (GEMÜ code 13 for diaphragm size 10 to 100)
• Available in diaphragm sizes 8 to 100
• Conformities and approvals
For abrasive and contaminated media: Full bore diaphragm valves and lined diaphragm valves
The minimal deadleg internal contour and the support of the diaphragm by a compressor provides optimum flow conditions and the best seal properties on GEMÜ full bore diaphragm valves. Lined diaphragm valves from GEMÜ combined with a suitable seal material offer even better resistance to numerous lyes, acids and other corrosive, abrasive and contaminated media.
Available materials: NBR, CR, natural rubber and EPDM
For sterile and hygienic applications: seal system
GEMÜ developed its seal system for diaphragm valves with a sealing weir up to DN100 over three decades ago. A circular sealing bead in the valve body creates a defined external sealing point. This minimizes the ring-shaped gap between the diaphragm and the valve body and makes this seal system particularly suitable for applications in the pharmaceutical, biotechnology and cosmetics industries.
The membranes (especially the Elastomers) are subject to natural aging.
To ensure the quality and durability of the membranes during storage influence as little as possible.
The service life can vary depending on the application. Diaphragms are wearing parts and must be checked at regular intervals and replaced if necessary. The maintenance intervals to be provided are very much dependent on the application and cannot be precisely defined in advance. The individual maintenance cycles are usually determined on the basis of empirical values or the maintenance history. If the membranes are subject to particularly high loads, e.g. due to frequent sterilization or high switching cycles, it may be necessary to shorten the maintenance cycles.
Diaphragms, which are used predominantly in sterile applications
***** Highest mechanical load capacity
¹ The diaphragms are applicable as a moisture barrier. The valves concerned must be serviced regularly if steam is applied continuously.
*MG = Diaphragm size
Notes:
Since plastics and elastomers are subject to natural aging, we recommend observing the GEMÜ storage conditions for shut-off diaphragms. You thereby guarantee maximum storage and service life of the diaphragms.
The temperature values are indicated irrespective of operating pressure and diaphragm size and apply to water and/or inert gases. The permissible operating pressure decreases with rising temperature and nominal size. Only specially designated diaphragms should be used for steam. The permissible operating pressure results from the steam pressure diagram.
Our service:
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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Pharmaceutical And Biotechnological Rubber Diaphragm Seals Code 3A / 13 Images
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