EB Body Range & Adaptors

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  • Non-sticking valve internals
  • Pre-setting as standard
  • Reverse flow 15mm angle body, in chrome, cobalt gold and incalux gold
  • Double gland seal, top seal replaceable without draining down

All Drayton two pipe EB bodies come with pre-setting internals as standard. This enables the system radiators to be accurately balanced to the required flow rates. The bodies can be used with any of the Drayton thermostatic heads with a M30 x 1.5 ring nut or the wheelhead/ Lockshield cap.

Technical

  • PES internals, that have proved resistant to sticking in systems that are installed in hard water areas
  • Valves can be used for wheelhead/ lockshield applications
  • Single pipe variants available
  • Full range of copper, pex and composite pipe adaptors

Using EB bodies on flow and return
When EB bodies are used on both ends of the radiator it is recommended that the thermostatic head is fitted onto the flow side, with the wheelhead cap on the return, wheelhead should be left fully open. The 10mm and 15mm angle bodies are now completely reversible and can be fitted vertically or horizontally in either the flow or return, see diagram below.

When EB bodies are used on both ends of the radiator it is recommended that the thermostatic head is fitted onto the flow side, with the wheelhead cap on the return, wheelhead should be left fully open. The 10mm and 15mm angle bodies are now completely reversible and can be fitted vertically or horizontally in either the flow or return, see diagram below.

Adaptors and reducers
Standard connection on EB15 valves are suitable for 15mm copper or 15mm steel tube. A range of other adaptors/reducers are available that fit onto the EB15 products, making them multi functional.

Standard connection on EB15 valves are suitable for 15mm copper or 15mm steel tube. A range of other adaptors/reducers are available that fit onto the EB15 products, making them multi functional.

Balancing
Whether a standard lockshield or EB body with lockshield cap (07 35 123) is used, it is recommended that the radiator is balanced by using the presetting facility on the EB valve. The preferable method is to determine the preset number that is required by using the Kv table on the back page and setting the preset facility. If Kv is unknown, set the EB body to preset number 3. Check the temperature drop across the radiator. To increase temperature drop (decrease flow) select a lower number. To decrease temperature drop (increase flow) select a higher number.

Whether a standard lockshield or EB body with lockshield cap (07 35 123) is used, it is recommended that the radiator is balanced by using the presetting facility on the EB valve. The preferable method is to determine the preset number that is required by using the Kv table on the back page and setting the preset facility. If Kv is unknown, set the EB body to preset number 3. Check the temperature drop across the radiator. To increase temperature drop (decrease flow) select a lower number. To decrease temperature drop (increase flow) select a higher number.

Flow noise through valves
It is strongly recommended that the differential pressure across the thermostatic valves should not exceed 0.2 bar to avoid flow related noise. A differential pressure regulating device, e.g. the Drayton DTB Automatic by-pass valve should be used.

It is strongly recommended that the differential pressure across the thermostatic valves should not exceed 0.2 bar to avoid flow related noise. A differential pressure regulating device, e.g. the Drayton DTB Automatic by-pass valve should be used.

System cleansing
To avoid damage to the valves and heating system components, and the formation of scale deposit in the hot water heating system, the system should be flushed and a proprietary inhibitor added.

To avoid damage to the valves and heating system components, and the formation of scale deposit in the hot water heating system, the system should be flushed and a proprietary inhibitor added.