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Stainless steel reducer fittings including standard reducers, bulkhead reducers and reducer elbows. Available in Imperial, Metric and mixed Metric × Imperial configurations.
| Part Number | Fitting Type | Tube OD | Tube OD 2 | Unit | |
|---|---|---|---|---|---|
| PBR-02-02-SS | Bulkhead Reducer (PBR) | 1/8(in) | 1/8(in) | Imperial | |
| PBR-04-04-SS | Bulkhead Reducer (PBR) | 1/4(in) | 1/4(in) | Imperial | |
| PBR-06-06-SS | Bulkhead Reducer (PBR) | 3/8(in) | 3/8(in) | Imperial | |
| PBR-08-08-SS | Bulkhead Reducer (PBR) | 1/2(in) | 1/2(in) | Imperial | |
| PBR-10-10-SS | Bulkhead Reducer (PBR) | 5/8(in) | 5/8(in) | Imperial | |
| PBR-12-12-SS | Bulkhead Reducer (PBR) | 3/4(in) | 3/4(in) | Imperial | |
| PBR-16-16-SS | Bulkhead Reducer (PBR) | 1(in) | 1(in) | Imperial | |
| PBR-20-20-SS | Bulkhead Reducer (PBR) | 1-1/4(in) | 1-1/4(in) | Imperial | |
| PBR-24-24-SS | Bulkhead Reducer (PBR) | 1-1/2(in) | 1-1/2(in) | Imperial | |
| PBU-32-32-SS | Bulkhead Reducer (PBR) | 2(in) | 2(in) | Imperial | |
| PR-01-02-SS | Reducer (PR) | 1/16(in) | 1/8(in) | Imperial | |
| PR-01-04-SS | Reducer (PR) | 1/16(in) | 1/4(in) | Imperial | |
| PR-02-02-SS | Reducer (PR) | 1/8(in) | 1/8(in) | Imperial | |
| PR-02-03-SS | Reducer (PR) | 1/8(in) | 3/16(in) | Imperial | |
| PR-02-04-SS | Reducer (PR) | 1/8(in) | 1/4(in) | Imperial | |
| PR-02-06-SS | Reducer (PR) | 1/8(in) | 3/8(in) | Imperial | |
| PR-02-08-SS | Reducer (PR) | 1/8(in) | 1/2(in) | Imperial | |
| PR-03-02-SS | Reducer (PR) | 3/16(in) | 1/8(in) | Imperial | |
| PR-03-04-SS | Reducer (PR) | 3/16(in) | 1/4(in) | Imperial | |
| PR-04-02-SS | Reducer (PR) | 1/4(in) | 1/8(in) | Imperial | |
| PR-04-03-SS | Reducer (PR) | 1/4(in) | 3/16(in) | Imperial | |
| PR-04-04-SS | Reducer (PR) | 1/4(in) | 1/4(in) | Imperial | |
| PR-04-05-SS | Reducer (PR) | 1/4(in) | 5/16(in) | Imperial | |
| PR-04-06-SS | Reducer (PR) | 1/4(in) | 3/8(in) | Imperial | |
| PR-04-08-SS | Reducer (PR) | 1/4(in) | 1/2(in) | Imperial |
A tube reducer changes tube size within a twin-ferrule system. It has a machined tube stub on the larger end, which inserts into a fitting of that size, and a complete compression end on the smaller side to accept the reduced tube. This makes size changes possible at existing fittings without replacing them, for example stepping from a process header down to a smaller instrument take-off.
Three types are listed. The standard reducer (PR) handles inline size changes. The bulkhead reducer (PBR) passes through a panel or enclosure wall, combining a change of size with a fixed penetration. The reducer elbow (PRE) changes size and turns the line through 90° in one part, which saves a joint in tight layouts.
Reducers are stainless steel 316 and are available in imperial, metric and mixed metric by imperial configurations. The mixed sizes are useful on projects where metric skids connect to imperial plant tubing, or the other way round. Since metric and imperial ferrules do not interchange, using a purpose-made mixed reducer is a cleaner option than combining adapters.
