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AVK NOZZLE CHECK VALVE, MULTI STEM, PN10/16

SS 420 stem, SS 304 spring, alu-bronze bushings, A2 fasteners, FBE coating, EPDM rubber

Fast-reacting nozzle check valve with spring return, for drinking water and other neutral liquids to 80°C

Reference No.

SKU: N/A Category: Non-Return Valves Tags: AVK, Blue, Drinking Water, Neutral Liquids, Non Return Valve, Non Return Valves, Valve, Valves, Water

Description

Key Features

A spring loaded valve cone makes sure the valve closes before reverse flow can occur
The optimized flow path keeps head loss down to a minimum
Stem, spring and fasteners in stainless steel
All iron parts coated with 150 µm fusion bonded epoxy (FBE)
Centring stem runs in high strength alu-bronze bushings
Approved for drinking water according to Decreto Ministeriale nr. 174 – Ministero della Salute

The AVK spring loaded nozzle check valve is a reliable, fast reacting blocker of reverse flow in water pipes. In case of a pump stop the spring loaded valve cone will make sure the water flow is shut off swiftly and quietly before it can change direction and cause water hammer. All metal parts are made of either stainless steel or epoxy coated ductile iron.

Variant 876/01-001
Connection:	Flanged
Material:	Ductile Iron
DN:	DN400 – DN600
PN:	PN 10/16

1.	Body	Ductile iron GJS-500-7
2.	Disc	EPDM encaps. duct. iron
3.	Spring	Stainless steel 304
4.	Stem	Stainless steel 420
5.	Ring	PA
6.	Nut	Stainless steel A2
7.	Bushing
8.	Plug	Ductile iron GJS-500-7
9.	Diffuser Sleeve	Ductile iron GJS-500-7
10.	Set screw	Stainless steel A2

Test/Approvals

WRAS approved Materials
Tested according to EN12266-1. Seat: 1.1 x PN (in Bar), Body: 1.5 x PN (in Bar)

Standards

Designed according to EN 1074 – 3, Designed according to EN 12266
Standard flange drilling to EN1092 (ISO 7005-2), PN 10/16

Additional information

Reference No.	876-0400-01-01102012, 876-0400-01-11102012, 876-0450-01-01102012, 876-0450-01-11102012, 876-0500-01-01102012, 876-0500-01-11102012, 876-0600-01-01102012, 876-0600-01-11102012
Brand	AVK
Flange Drilling	PN10, PN16

Reference Nos. and Dimensions

Reference Number	DN mm	Flange Drilling	D mm	D1 mm	D2 mm	D3 mm	Bolt Number	L mm	L1 mm	Theoretical Weight kg
876-0400-01-01102012	400	PN10	565	515	480	28	16	310	–	160
876-0400-01-11102012	400	PN16	580	525	480	31	16	310	–	165
876-0450-01-01102012	450	PN10	615	565	560	28	20	330	7	180
876-0450-01-11102012	450	PN16	640	585	548	31	20	330	7	190
876-0500-01-01102012	500	PN10	670	620	582	28	20	350	5	260
876-0500-01-11102012	500	PN16	715	650	609	34	20	350	–	275
876-0600-01-01102012	600	PN10	780	725	682	31	20	390	15	420
876-0600-01-11102012	600	PN16	840	770	720	37	20	390	15	480

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