SEALING SOLUTIONS FOR PUMPS & VALVES
(Garlock Butterfly Valves, Diaphragms, Compression Packings)
Knowledge, Challenges and Solutions
The valve original OEM packing sets (made of vermiculite) were having continuous problems of leakage since the start up of the plant.
POWERPACK 9021-HMS sets were installed in globe and butterfly valves on the hot molten salts circuit. POWERPACK 1220-MS sets were installed in the cold molten salts circuit.
The starting point was that the customer had problems with a competitor product that was used until then. Here, the lifetime was very short, especially in the tower, and the manufacturer’s support did not meet customer’s expectations.
Incorrect installation caused equipment failures. Seat lifetime should be increased and higher temperature limits compared to standard PTFE and elastomers should be achieved with a new solution.
The customer was dissatisfied with the service life of their diaphragms in AODD pumps.
The manufacturer had the need to increase operating temperature up to 150 °C keeping good flexibility.
The original membranes were not lasting as expected in the customer’s applications. Additionally, some pumps used for liquid transfer were regularly failing.
Cocoa and chocolate processing can be very critical because when the cocoa beans are cracked oil and grease are released, thus presenting major challenges for many traditional sealing materials.
Our customer wanted to replace PTFE lined valves in a sulfuric acid plant and in an ore plant for longer service life.
Materials – Garlock Butterfly Valves
Learn more about housing materials, liner, disc and marking of Garlock Butterfly Valves.
Materials – GYLON® Style 3522
Exclusive to Garlock, the GYLON® Style 3522 PTFE Diaphragm material is a time proven product, made using a proprietary process which optimizes quality and uniformity.
Our experts are application engineers as well as sales engineers. All are highly trained and can discuss and debate the requirements of your applications with you professionally and expertly and advise you on the way to the best fitting sealing solution.
Solutions for Pumps & Valves (with Butterfly Valves, Diaphragms, Compression Packing)
Here is a brief overview of solutions for pumps & valves. Consultation with our experts will always be beneficial when dealing with a more complicated application.
Butterfly Valves – GAR-SEAL®
Diaphragms – GYLON® Style 3522, GYLON ONE-UP®, Garlock ONE-UP®
Compression Packing – 1220 MS, 9020 HMS / 9021 HMS POWERPACK
We answer your questions!
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