Usage: Ball check valve, the use of nubber ballinto the ball valve, under the action of the media, the body can be in the whole body on the slide urand down roling, thus opening or closing the valve, sealing performance, mufler of, not Produce water hammer. The valve body with full watertlow channel. the flow is large. the resistance is small. the head loss is 50% smaller than the swivel tvpe, the horizontal or the verical installmencan be used in cold water, hot water,industrial and domestic sewage pipe nelwork, more suitable for submersible sewage pump, Medium temperature 0-80 ℃.

Function and specification

Nominal Pressure			1.0-1.6

Nominal Diameter			40-350

Suitable Mediums			Water and weak corrosive fluids

Working Temperature			0-80

Flange Standard			GB/T 17241.6 GB/T 9113

Testing Standard			GB/T 13927 AP1598

Outline and connecting measurement
Outline and connecting measurement
Nominal diameter DN(mm)	Connection length L(mm)	Flange diameter D(mm)	Water table diameter D2(mm)	Water station height (mm)	Flange Hole centercircle diameter D1(mm)	Bolt hole Quantity and diameter Z-Φd	Valve as a whole height D3(mm)	Flange thickness (mm)



DN50	215	163	99	1.5	125	4-18	175	≥19
DN65	240	182	117	2	145	4-18	235	≥19
DN80	260	195	132	2	160	8-18	250	≥19
DN100	300	215	156	2	180	8-18	285	≥19
DN150	400	282	211	2.5	240	8-22	425	≥23

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