EB Preventer Plastic WM-Series

EB Preventer Plastic WM-Series

Description

WM insert check valves are compliant with the regulation of NF Antipollution brand. According to the NF EN 1717, these EB type check valves, are incorporated in a device, and guarantee the protection of drinking water against a risk of pollution from a fluid of category 2. • Minimum head loss • Noiseless operation due to a split obturator • Does not generate hammering • Meets the requirements of all europeans aprovals • Axial guidance oburator with return spring • Excellent water tightness at high or low back pressure ensured by a designed lip-seal • Main application: water meter can also be fitted in any application which need a drinking water network protection; suitable with the design of the product. Ex: sanitary taps... • Approvals: ACS, NF, KIWA, Belgaqua, WRAS, DVGW, NSF, VA

Working pressure: 10 bar
Working condition: -10°C to 65°C. Maxi 85°C 1h/day
Body: POM
Obturator: POM
Seal: EPDM
Spring: Stainless steel

Technical Features

Part no.

Type	DN		PFA (bar)	Cat.	Part number	Weight (kg)
WM015	15	1/2"	10	4.3	2224138	0,004
WM020	20	3/4"	10	4.3	2224137	0,007
WM025	25	1"	10	4.3	2224139	0,017
WM040	40	1"1/2	10	4.3	2224140	0,035