Range of swing gate, non-return valves with blue epoxy coated ductile iron bodies and EPDM swing gates. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

Section:

2188 Valves

Section Subtitle:

Non-return, swing gate, resilient trim. Devices listed under this heading do not provide sufficient protection against backflow to meet the requirements of The Water Supply (Water Fittings) Regulations 1999 (England and Wales), The Water Supply (Water Fittings) (Scotland) Byelaws 2014 or The Water Supply (Water Fittings) Regulations (Northern Ireland) 2009. Therefore, not considered suitable for Backflow Protection

WRAS Approval Number:

2311383

Size:

Flanged: DN200 & DN400 (two sizes only). Flanged: DN250, DN300 & DN350 (added September 2024). Flanged: DN50, DN65, DN80, DN100, DN125 & DN150 (added May 2025).

Marking:

DUVALCO, PN, size, flow arrow & WRAS on body.

Installation Requirements:

R001

Expiry date:

30/11/2028

Model:

FLEXCV01: DN200 & DN400. Models added September 2024: FLEXCV01: DN250, DN300, DN350. Models added May 2025: FLEXCV01: DN50, DN65, DN80, DN100, DN125 & DN150.

Approval Holder:

Anhui Duvalco Valves Co Ltd

Company Name

Anhui Duvalco Valves Co Ltd

Address

No 2508 Tongjing East Road Tongguan District Tongling City Anhui Province

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Range of lug, wafer or flanged (see models) butterfly valves with blue epoxy coated ductile iron bodies. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

Section:

2020 Valves

Section Subtitle:

Butterfly.

WRAS Approval Number:

241202088

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

DN40 – DN1600 Flanged (please refer to model).

Marking:

DUVALCO, size and PN on body

Installation Requirements:

R001

Expiry date:

31/12/2029

Model:

BA: Lugged DN40 to DN600. MSJ: Wafer DN40 to DN600. ESJ: Flanged DN100 to DN1600.

Approval Holder:

Anhui Duvalco Valves Co Ltd

Company Name

Anhui Duvalco Valves Co Ltd

Address

No 2508 Tongjing East Road Tongguan District Tongling City Anhui Province

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Range of flanged gate valves with blue epoxy coated ductile iron bodies and EPDM O-rings and disc. The valves are operated via a non-rising spindle headwork with a wheel type operating member. Maximum working pressure 16.0 Bar

Non-metallic materials and components comply with BS6920 at 80°C

Section:

2290 Valves

Section Subtitle:

Stop, gate, metal.

WRAS Approval Number:

2310188

Size:

DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250 & DN300

Marking:

DUVALCO, WRAS, Size, PN & GGG50 on body

Installation Requirements:

R001

Expiry date:

31/10/2028

Model:

GV01

Approval Holder:

Anhui Duvalco Valves Co Ltd

Company Name

Anhui Duvalco Valves Co Ltd

Address

No 2508 Tongjing East Road Tongguan District Tongling City Anhui Province

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Range of gate valves with ductile iron bodies (blue epoxy coated), EPDM coated wedge and EPDM O - rings. Maximum working pressure – 10.0 bar (DN900 and DN1000 only) and 16.0 bar (DN350 – DN800). Maximum operating temperature - 85°C

Section:

2290 Valves

Section Subtitle:

Stop, gate, metal.

WRAS Approval Number:

241202089

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

DN350 – DN1000 flanged

Marking:

Duvalco, DN & PN on body.

Installation Requirements:

R001

Expiry date:

31/12/2029

Model:

GV02 range of gate valves.

Approval Holder:

Anhui Duvalco Valves Co Ltd

Company Name

Anhui Duvalco Valves Co Ltd

Address

No 2508 Tongjing East Road Tongguan District Tongling City Anhui Province

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