GEM technical data

The GEM steam trap product range covers all standard fitting types, steam trap sizes and process types.  Our trap’s unique patented design features ensure we have a perfect solution for your steam trap population.

Our experienced staff will specify the correct trap for each location on your site, however take a look here for our trap datasheets.

Opal GEM Trap
​Opal 15-20 Imperial | Metric 
​Flanged Opal 15-20 Imperial | Metric
Opal 25 Imperial | Metric
​                     Flanged Opal 25 Imperial | Metric

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Emerald GEM Trap
Connection type: BSP/NPT Threaded, socket weld or flanged
Applications: Line Drainage trapping
​Imperial | Metric

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Sapphire GEM Trap
Connection type: BSP/NPT Threaded
Applications: Process and Line Drainage trapping
Imperial | Metric

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Ruby GEM Trap
Connection type: Flanged
Applications: Process trapping
Imperial | Metric 

Opal 15-20 Imperial | Metric 
​Flanged Opal 15-20 Imperial | Metric
Opal 25 Imperial | Metric
​                     Flanged Opal 25 Imperial | Metric

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Ruby Filter GEM Trap
Connection type: Flanged
Applications: Line Drainage trapping
Imperial | Metric 

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Emerald GEM Trap
Connection type: Quick Fit Adapter
Applications: Line Drainage trapping 
Imperial | Metric ​

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Topaz GEM Trap
Connection type: ‘Dockweiler’ and ‘Triclover’ fittings
Applications: Hygienic steam trapping
Imperial | Metric 

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Quartz GEM Trap
Connection type: BSP/NPT Threaded
Applications: Generic low duty steam trapping
Imperial | Metric

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Other Datasheets and Guides:

• GEM Steam Trap Servicing Tool
• GEM Steam Trap Secondary Magnetic Filter
• GEM Trap Insulation Jacket

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Check out some success stories

See what GEM steam traps have done for our customers. Take a look at our case studies. 

See sector-specific applications

Take a look at how our venturi orifice designed GEM steam traps have been applied in your sector.

Learn more about GEM steam traps

Read our brochures and FAQ, review our technical data, or contact us for more information.