CVKR Large caliber silent check valve-[Quotation-data]--Shanghai Huabang Industrial Business-www.91way.com

Product name：

CVKR Large caliber silent check valve

specification：

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Category：

Pump valve fittings -- check valve

Price：

factory price

Brand：

Shanghai

Place of Origin：

China

Available Quantity：

batch

delivery cycle：

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Shanghai Beiyuan Industry and Trade Co.,Ltd
+86-21-66770508
+86-13916950330

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13916950330(Wechat)

CVKR Large caliber silent check valveDetailed product description：

Overview
The CVKR large-diameter silent check valve adopts a contour design that conforms to hydraulics, achieving a better streamlined waterway. The design with a guide fluid near the interior ensures minimal pressure loss. The silent check valve is installed at the outlet of the water pump and can quickly close before the water flow reverses, avoiding water hammer, water hammer sound, and destructive impact, in order to achieve the purpose of silence, prevent backflow, and protect the equipment. Widely used in water supply and drainage, fire protection, HVAC, industrial and other systems.

Technical parameters of CVKR large-diameter silent check valve

Nominal Diameter	DN50-600MM
Nominal Pressure	1.0-1.6-2.5MPa
Operating Temperature	-10°C-80°C
Sealing Test	1.1 times nominal pressure
Shell Test	1.5 times nominal pressure

Material Description

Serial number	Part Name	material
one	valve body	GG25
two	Valve disc	QA19-4
three	Bearing	QA19-4
four	spring	GUS316
five	Diversion body	GG25
six	valve seat	QA19

Main external dimensions of CVKR large-diameter silent check valve (flange drilling according to GB/T17241.6-1998 standard)

Model	Nominal Diameter	D1		D2		D3		N-φD		L
Model	Nominal Diameter	1.0MPa	1.6MPa	1.0MPa	1.6MPa	1.0MPa	1.6MPa	1.0MPa	1.6MPa	L
CVKR-0300	DN300	three hundred and seventy		four hundred	four hundred and ten	four hundred and sixty		12-13	12-28	one hundred and eighty-one
CVKR-0350	DN350	four hundred and twenty-nine		four hundred and sixty	four hundred and seventy	five hundred and twenty		16-23	16-28	one hundred and eighty-four
CVKR-0400	DN400	four hundred and eighty		five hundred and fifteen	five hundred and twenty-five	five hundred and eighty		16-28	16-31	one hundred and ninety-one
CVKR-0450	DN450	five hundred and thirty		five hundred and sixty-five	five hundred and eighty-five	six hundred and forty		20-28	20-31	two hundred and three
CVKR-0500	DN500	five hundred and eighty-two		six hundred and twenty	six hundred and fifty	seven hundred and fifteen		20-28	20-34	two hundred and nineteen
CVKR-0600	DN600	six hundred and eighty-two		seven hundred and twenty-five	seven hundred and seventy	eight hundred and ten	eight hundred and forty	20-31	20-37	two hundred and twenty-two
CVKR-0700	DN700	seven hundred and ninety-four		eight hundred and forty	eight hundred and forty	eight hundred and ninety-five	nine hundred and ten	24-31	24-37	two hundred and eighty
CVKR-0800	DN800	nine hundred and one		nine hundred and fifty	nine hundred and fifty	one thousand and fifteen	one thousand and twenty-five	24-34	24-40	three hundred and fifty-six
CVKR-0900	DN900	one thousand and one		one thousand and fifty	one thousand and fifty	one thousand one hundred and twenty-five	one thousand one hundred and twenty-five	28-40	28-40	three hundred and sixty-eight
CVKR-1000	DN100	one thousand one hundred and twelve		one thousand one hundred and sixty	1170/DIV>	one thousand two hundred and thirty	one thousand two hundred and fifty-five	28-43	28-43	four hundred and thirty-two
CVKR-1200	DN120	one thousand three hundred and twenty-eight		one thousand three hundred and eighty	one thousand three hundred and ninety	one thousand four hundred and fifty-five	one thousand four hundred and eighty-five	32-49	32-49	five hundred and twenty-four

CVKR Large caliber silent check valve（schematic diagram）