Thomas Dudley Limited Approvals


#2010908

BS EN 14055: 2018 concealed WC cistern incorporating a side or bottom entry compact type float operated inlet valve providing a Type AG air gap with a pneumatic or cable operated drop valve capable of full flush volumes of up to 6 litres and reduced flush of up to 4 litres. The cistern is operated by a manual push button. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2035 Cistern - Flushing
Section Subtitle:
Incorporating Type AG air gap, providing fluid category 3 backflow protection. Suitable for use in a WC suite. Additional tests will need to be performed if required to demonstrate Type AUK1 air gap.
WRAS Approval Number:
2010908
Size:
½” BSP Inlet connection.
Marking:
Top of cistern lid marked ‘DUDLEY OSMO T1’. Top of outlet drop valve marked ‘TD’, Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’.
Installation Requirements:
R001 R280 R556
Expiry date:
31/10/2025
Model:
OSMO T1 Concealed Cistern (Category 3).

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2010909

BS EN 14055: 2018 concealed WC cistern incorporating a side entry compact type float operated inlet valve providing a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5) with a pneumatic or cable operated drop valve capable of full flush volumes of up to 6 litres and reduced flush of up to 4 litres. The cistern is operated by manual push button. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2034 Cistern - Flushing
Section Subtitle:
Incorporating Type AB air gap, providing fluid category 5 backflow protection. Suitable for use in a WC suite.
WRAS Approval Number:
2010909
Size:
½” BSP Inlet connection.
Marking:
Top of cistern lid marked ‘DUDLEY OSMO T1’. Top of outlet drop valve marked ‘TD’, Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’.
Installation Requirements:
R001 R280 R574
Expiry date:
31/10/2025
Model:
OSMO T1 Concealed Cistern (Category 5).

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2012927

BS EN 14055 (2018) WC Cistern incorporating a side or bottom entry float operated inlet valve discharging via a Type AG air gap and a dual flush Syphon of full flush volumes of up to 6 litres and a reduced flush of up to 4 litres. The cistern is operated by a lever. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2035 Cistern - Flushing
Section Subtitle:
Incorporating Type AG air gap, providing fluid category 3 backflow protection. Suitable for use in a WC suite. Additional tests will need to be performed if required to demonstrate Type AUK1 air gap.
WRAS Approval Number:
2012927
Size:
½” BSP Male inlet connection.
Marking:
Cap of Syphon marked either ‘Cascade +’ or ‘Dudley Turbo’ Part 4 Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’. Part 3 Inlet valve marked T. Dudley or BETA (brand of Thomas Dudley) & BS1212 part 3 on front face of back plate. Dudley on front or side of cistern.
Installation Requirements:
R001 R280 R556
Expiry date:
31/12/2025
Model:
Mirage WC Cistern
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2012903

BS EN 14055 (2018) concealed WC cistern incorporating a side or bottom entry compact type float operated inlet valve discharging via a type AG airgap and a dual or single flush pneumatic or dual flush cable operated drop valve capable of full flush volumes of up to 6 litres with a reduced flush of up to 4 litres. The cistern is operated by manual push button/push plate. The side entry inlet valve is mounted internally and is supplied via a stainless steel braided EPDM lined flexible hose assembly which incorporates a servicing valve. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2035 Cistern - Flushing
Section Subtitle:
Incorporating Type AG air gap, providing fluid category 3 backflow protection. Suitable for use in a WC suite. Additional tests will need to be performed if required to demonstrate Type AUK1 air gap.
WRAS Approval Number:
2012903
Size:
½” BSP Male or 15mm push-fit.
Marking:
Dudley, TD Logo & Thomas Dudley Ltd. on inspection cover. ‘TD’, on top of outlet drop valve. ‘HYDROFLO’ on discharge cap of inlet valve. ‘DUDLEY BS 1212/4’ on nut of inlet valve.
Installation Requirements:
R001 R280 R556
Expiry date:
31/12/2025
Model:
OBC Concealed Cistern (Category 3).
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2012904

BS EN 14055 (2018) concealed WC cistern incorporating a side entry compact type float operated inlet valve discharging via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5) and a dual or single flush pneumatic or dual flush cable operated drop valve capable of full flush volumes of up to 6 litres with a reduced flush of up to 4 litres. The cistern is operated by manual push button/push plate. One of the side entry inlet valves is mounted internally and is supplied via a stainless steel braided EPDM lined flexible hose assembly which incorporates a servicing valve. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2034 Cistern - Flushing
Section Subtitle:
Incorporating Type AB air gap, providing fluid category 5 backflow protection. Suitable for use in a WC suite.
WRAS Approval Number:
2012904
Size:
½” BSP Male or 15mm Push-fit Inlet connection
Marking:
Top of outlet drop valve marked ‘TD’, Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’.
Installation Requirements:
R001 R280 R574
Expiry date:
31/12/2025
Model:
OBC Concealed Cistern (Category 5)
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2012905

BS EN 14055 (2018) WC Cistern incorporating a side or bottom entry float operated inlet valve discharging via a Type AG air gap and a dual flush Syphon of full flush volumes of up to 6 litres and a reduced flush of up to 4 litres. The cistern is operated by a lever. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2035 Cistern - Flushing
Section Subtitle:
Incorporating Type AG air gap, providing fluid category 3 backflow protection. Suitable for use in a WC suite. Additional tests will need to be performed if required to demonstrate Type AUK1 air gap.
WRAS Approval Number:
2012905
Size:
½” BSP Male inlet connection.
Marking:
Cap of Syphon marked either ‘Cascade +’ or ‘Dudley Turbo’ Part 4 Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’. Part 3 Inlet valve marked T. Dudley or BETA (brand of Thomas Dudley) & BS1212 part 3 on front face of back plate. Dudley on inside of cistern lid.
Installation Requirements:
R001
Expiry date:
31/12/2025
Model:
Slimline WC Cistern.
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2101907

BS EN 14055: 2018 concealed WC flushing cistern incorporating a side entry compact type float operated inlet valve providing a Type AB air gap and lever operated syphon capable of full flush volumes of up to 6 litres and reduced flush of up to 4 litres. Maximum working pressure 10.0 bar. Cold water use only.

Section:
2034 Cistern - Flushing
Section Subtitle:
Incorporating Type AB air gap, providing fluid category 5 backflow protection. Suitable for use in a WC suite.
WRAS Approval Number:
2101907
Size:
½” BSP Inlet connection.
Marking:
Top syphon marked ‘DUDLEY TURBO EDGE’. Front cover marked ‘Dudley’, Inlet valve discharge cap marked ‘HYDROFLO’. Front nut of inlet valve marked ‘DUDLEY BS 1212/4’.
Installation Requirements:
R001 R280 R574
Expiry date:
31/01/2026
Model:
OSMO F1 Concealed Cistern (Category 5).
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2104337

DC type pipe interrupter with a permanent atmospheric vent (DZR brass body) incorporating a flow regulator at the inlet and brass shroud. Maximum working pressure 10.0 bar. Cold water use only.

Section:
0014 Backflow Prevention Devices
Section Subtitle:
SCHEDULE 2 - Section 6.2. Type DC - Pipe interrupter with permanent atmosphere vent. The device must be fitted with the lowest point of the air aperture not less than 150mm above the free discharge point, or spillover level of an appliance, and have no valve, flow restrictor or tap on its outlet.
WRAS Approval Number:
2104337
Size:
15mm x 22mm compression
Marking:
Marking: Dudley, DN15, CR, DC direction of flow arrow on shroud body.
Installation Requirements:
R001 R165
Expiry date:
30/04/2026
Model:
Dudley DC pipe interrupter
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2106905

‘Turbo 88R Duo Flush Adjustable Syphon’ syphonic flushing apparatus with Polypropylene body and stainless steel link for use with WC flushing cisterns.

Section:
1305 Flushing Mechanisms
Section Subtitle:
WC. Except where specified, flushing valves within this section have only completed a limited number of the performance and endurance tests as stated in the "Regulators Specification for WC suites installed after 1st January 2001". The flush volume of valves within this section have not been verified by test. When installed in combination with a WC cistern and pan, further performance tests will be required.
WRAS Approval Number:
2106905
Size:
Size: 7½’’ to 9½” Duo Flush Adjustable Syphon
Marking:
Syphon marked on cap with “DUDLEY TURBO 88R, TD”
Installation Requirements:
R001
Expiry date:
30/06/2026
Model:
Turbo 88R Duo Flush Adjustable Syphon

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval


#2107901

Range of float operated valves with brass bodies manufactured to BS1212 Part 2 1990. The valves have ½’’ BSP inlets with plastic backnuts, brass or plastic back plates, an up and over type outlet discharge and a brass lever arm. Maximum working pressure 14.0 bar. For use with cold water only.

Section:
2075 Float Operated Inlet Valve
Section Subtitle:
Can be used to achieve a recognised air gap arrangement, providing it meets the appropriate backflow requirements. Suitable for use in a WC suite, provided it forms an arrangement which meets the requirements of Type AUK1 air gap and an appropriate WC performance specification.
WRAS Approval Number:
2107901
Note:
Not supplied with a float
Size:
see model
Marking:
The words ‘’Beta BS1212 Part 2’’ is embossed onto the brass body The word ‘’BETA’’ is moulded into the overhead discharge nozzle The word ‘’BETA’’ is embossed or moulded into the front face of the backplate.
Installation Requirements:
R001 R550 R554
Expiry date:
31/07/2026
Model:
DBL201A Side entry ½” BSP 1 ¼” tail - High pressure seat (Brass back plate). DBL201AX Side entry ½” BSP 1 ¼” tail - High pressure seat (Plastic back plate). DBL201B Side entry ½” BSP 2” tail - High pressure seat (Brass back plate). DBL201C Side entry ½” BSP 3” tail - High pressure seat (Brass back plate). DBL251A Side entry ½” BSP 1 ¼” tail - Low pressure seat (Brass back plate). DBL251B Side entry ½” BSP 2” tail - Low pressure seat (Brass back plate). DBL251C Side entry ½” BSP 3” tail - Low pressure seat (Brass back plate). DBL231A Side entry ½” BSP 1 ¼” tail - Medium pressure seat (Brass back plate).
Product Images

Approval Holder:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company
Manufacturer:
Thomas Dudley Limited
Company Name
Thomas Dudley Limited
Postcode
DY1 4SJ
Phone
0121 530 7053
General Email
jcresswell@thomasdudley.co.uk

View All Listings by this Company

Print This Approval



Back To Directory Sections

Page 1 of 5

We use cookies to give you the best possible experience with WRAS. Some are essential to provide website functions and ensure the website is secure. We also use cookies to help us understand how people use the site and to make improvements. Click "Accept All" to enable recommended settings or click "Manage cookies" to adjust your settings. For more details, see our Cookie Policy.