Burks 22863 Buna-N Gasket Ring 5.359 in ID
This is the Buna-N gasket ring Burks specifies as part 22863, 5.359 in inside diameter. Its job is simple and unforgiving - hold pressure at a joint that has to come apart again for service.
Elastomer seals age whether the pump runs or not. Heat and the pumped liquid slowly harden the compound, the ring takes a permanent set in the shape of its groove, and it stops springing back when the joint is opened. A ring that has gone hard and flat will usually seal again once, and then weep a few days later under pressure cycling. That is why it is standard practice to fit a new one every time the joint is broken.
Material is the part of this number that matters most. Buna-N is what Burks fitted here, and swapping compounds changes what the pump can safely handle - temperature range, and which liquids will attack the seal. Burks lists the same physical size in several compounds for exactly that reason, so match the material as well as the dimension.
Key Features
- Genuine Burks replacement in Buna-N
- 5.359 in inside diameter
- Direct replacement for the original Burks seal
- Static seal designed to be renewed at every teardown
- Holds pressure without over-tightening the joint
- Inexpensive insurance against a leak after reassembly
Applications
- Burks pump service and overhaul
- Reassembling a pump after a seal or impeller change
- Curing a weep or drip from a casing joint
- Replacing a ring that has gone hard or taken a set
- Restocking a spares kit for planned maintenance
- Industrial, marine and dockside pump installations
Specifications
- Brand: Burks
- Manufacturer: Crane Pumps and Systems
- Manufacturer Part Number: 22863
- Part Type: Gasket Ring
- Material: Buna-N
- Size: 5.359 in inside diameter
- Condition: New
Frequently Asked Questions
Q: What tightening sequence should I use on the joint?
Draw the fasteners down evenly in a cross pattern in two or three passes rather than pulling one side home first. Uneven closing is what pinches a ring and leaves it nicked on one edge.
Q: Can I use a generic ring from a seal kit instead?
A generic ring in the same nominal size will often sit in the groove, but the compound, the shore hardness and the cross section tolerance are what Burks specified. Those details decide whether it seals for years or seeps in a month.
Q: How should these be stored?
Cool, dark and dry, away from ozone sources such as electric motors, and not stretched over a hook. Elastomers age on the shelf, so rotate stock rather than keeping one ring for a decade.
Q: How can I tell whether a leak is this seal or the shaft seal?
A static joint seal weeps along the split line between two castings and does not change with shaft rotation. A failing mechanical seal usually drips from underneath the adapter behind the casing and often gets worse as the pump runs and warms up.
Not sure this is the right part? Send us a Picture of the pump plate on your pump and the CLR Marine team will confirm the correct gasket ring before you order.
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