Mute check valve

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Mute check valve

Model: CVKR
Nominal diameter: DN300 ~ 600mm
Nominal pressure: PN1.0 ~ 2.5MPa
Suitable medium: water, oil, water, sewage
Temperature: 0 ~ 80 ℃
Flange Standard: GB / T17241.6, GB / T9113
Test standards: GB / T13927, API598

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產(chǎn)品詳細(xì)

Silent check valve Hydraulics-based contouring for better streamlined design Internal design with flow guide ensures minimum pressure loss. Muting check valve installed in the pump outlet at the back of the water before the first quick closure to avoid water hammer, water hammer and broken flat impact in order to achieve the purpose of silence, prevent backflow and equipment protection. Mute check valve is widely used in water supply and drainage, fire protection, HVAC, industrial systems.

First, silent check valve main technical parameters

Nominal diameter	DN300 ~ 600mm
Nominal pressure	1.0 / 1.6 / 2.5MPa
Operating temperature	0 ° C -80 ° C
Seal test	1.1 times the nominal pressure
Shell test	1.5 times the nominal pressure

Second, quiet check valve material description

Serial number	Part Name	Material
1	Body	GG25
2	Valve plate	QA19-4
3	Bearing	QA19-4
4	spring	SYS316
5	Flow guide	GG25
6	Seat	QA19-4

Third, the main dimensions (flange drilling according to GB / Tl7241.6-1998 standards)

model	Nominal diameter	D1		D2		D3		N-ΦD		L
model	Nominal diameter	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	1.0MPa	1.6 MPa	L
CVKR-0300	DN300	370		400	410	460		12-13	12-28	181
CVKR-0350	DN350	429		460	470	520		16-23	16-28	184
CVKR-0400	DN400	480		515	525	580		16-28	16-31	191
CVKR-0450	DN450	530		565	585	640		20-28	20-31	203
CVKR-0500	DN500	582		620	650	715		20-28	20-34	219
CVKR-0600	DN600	682		725	770	810	840	20-31	20-37	222
CVKR-0700	DN700	794		840	840	895	910	24-31	24-37	280
CVKR-0800	DN800	901		950	950	1015	1025	24-34	24-40	356
CVKR-0900	DN900	1001		1050	1050	1125	1125	28-40	28-40	368
CVKR-1000	DN1000	1112		1160	1170	1230	1255	28-43	28-43	432
CVKR-1200	DN1200			1380	1390	1455	1485	32-49	32-49	524

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Mute check valve

Mute check valve