Range of single check valve assemblies incorporating DZR brass bodies. Maximum working pressure 10 bar. Maximum operating temperature 85°C.

Section:

0030 Backflow Prevention Devices

Section Subtitle:

SCHEDULE 2 - Section 6.2 Type EB - Non verifiable single check valve.

WRAS Approval Number:

2111344

Expiry date:

30/11/2026

Size:

See model

Marking:

Ningbo Dien, CR, flow arrow, size, date of manufacture (MMYY) on body

Installation Requirements:

R001

Model:

DIEN-SCV15 (15mm compression) DIEN-SCV22 (22mm compression)

Approval Holder:

Ningbo Dien Trade Co. Ltd.

Company Name

Ningbo Dien Trade Co. Ltd.

Address

UILDING 11 SHUXIANG JINGYUAN YINZHOU DISTRICT

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Range of wall mounted hose union taps incorporating a brass body with a non-rising spindle headwork and a T type operating member. The DIEN-BT&DCV1/2” model incorporates two approved single check valve cartridges (one on the inlet, one on the outlet), however the complete product has not been fully tested to demonstrate it provides backflow protection. Product incorporates a drain plug after the inlet check valve cartridge. Maximum working pressure 10.0 bar. Maximum operating temperature 80°C.

Section:

1780 Taps

Section Subtitle:

Hose union, metal. a. All cold water fittings located outside the thermal envelope, or those outside the building should be protected against damage by freezing. b. A servicing valve shall be fitted to the supply pipe to this fitting and shall be located within the thermal envelope of the building. Where in existing house installations a hosepipe is to be used from an existing hose union tap located outside a house and which is not provided with backflow protection, either: a. The existing hose union tap should be provided with a double check valve (Type EC or ED) located inside the building; or b. The tap should be replaced with a hose union tap that incorporates a double check valve (type HUK1); or c. A hose union backflow prevention (Type HA) or a double check valve should be continuously fitted to the outlet of the tap; or d. Is legally installed in any premises.

WRAS Approval Number:

2201305

Expiry date:

31/01/2027

Size:

see model

Marking:

Ningbo Dien, size, WRAS and EN1213 on body.

Installation Requirements:

R001 R040

Model:

DIEN-BT½” - ½” BSP (M), DIEN-BT¾” - ¾” BSP (M), DIEN-BT&DCV½” - ½” BSP (M).

Approval Holder:

Ningbo Dien Trade Co. Ltd.

Company Name

Ningbo Dien Trade Co. Ltd.

Address

UILDING 11 SHUXIANG JINGYUAN YINZHOU DISTRICT

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Double check valve assembly consisting of two spring loaded resilient trim in-line check valve cartridges housed in a DZR brass body. For use with copper pipe manufactured to EN1057. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.

Section:

0034 Backflow Prevention Devices

Section Subtitle:

SCHEDULE 2 - Section 6.2 Type ED - Non-verifiable double check valve.

WRAS Approval Number:

2203326

Expiry date:

31/03/2027

Size:

15 & 22 compression

Marking:

Ningbo Dien, size, CR, flow arrow, WRAS & date of manufauctuer (MM/YY) on body

Installation Requirements:

R001

Model:

DIEN-DCV15 DIEN-DCV22

Approval Holder:

Ningbo Dien Trade Co. Ltd.

Company Name

Ningbo Dien Trade Co. Ltd.

Address

UILDING 11 SHUXIANG JINGYUAN YINZHOU DISTRICT

View All Listings by this Company