Ningbo Dien Trade Co. Ltd. Approvals


#2111344

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
Size:
See model
Marking:
Ningbo Dien, CR, flow arrow, size, date of manufacture (MMYY) on body
Installation Requirements:
R001
Expiry date:
30/11/2026
Model:
DIEN-SCV15 (15mm compression) DIEN-SCV22 (22mm compression)
Product Images

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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#2201305

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 tap(s).
WRAS Approval Number:
2201305
Size:
see model
Marking:
Ningbo Dien, size, WRAS and EN1213 on body.
Installation Requirements:
R001 R040
Expiry date:
31/01/2027
Model:
DIEN-BT½” - ½” BSP (M), DIEN-BT¾” - ¾” BSP (M), DIEN-BT&DCV½” - ½” BSP (M).
Product Images

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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#2203326

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
Size:
15 & 22 compression
Marking:
Ningbo Dien, size, CR, flow arrow, WRAS & date of manufauctuer (MM/YY) on body
Installation Requirements:
R001
Expiry date:
31/03/2027
Model:
DIEN-DCV15 DIEN-DCV22
Product Images

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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