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Ductile Iron GGG50 Sliding Multi Ball Check Valve Big Size DN400 DN500

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Shanghai kangquan Valve Co. Ltd.

Ductile Iron GGG50 Sliding Multi Ball Check Valve Big Size DN400 DN500

Country/Region china
City & Province shanghai shanghai
Categories Valves
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Product Details

Ductile Iron GGG50 Sliding Multi-Ball Check Valve  Big Size DN400, DN500

 

Flanged Ball Check Valve uses the rubber covered roller as the disc, when, under the action of the

medium, can roll up and down along with the integral sliding path inside the valve so as to open or

close it. And it features by good tightness, silent close and no production of water hammer.

 

The body is full water-flow path design, big flow, small resistance and the water head loss is smaller

that of the swing type by 50. It is mountable vertically or horizontally and can be used for cold-water,

hot-water, industrial and living sludge pipe networks, especially suitable for the submersible sludge pump.

 

The medium temperature: 0~80℃.

 

Specification
 
PN: 1.0~1.6MPa
DN: 50~1000mm
Medium: water 
temperature: 0~80℃
Flange drill: DIN

 

Material

partsbodyballseat
materialCi,DI, WCBWCB coating NBRWCB,SST

 

Dimension

DN5065801001251502002503003504004505006007008009001000
L20321624129233035649562269878191497897812951448160017601900
H180210225245280320380450470500        
H1      51057064071581582598011551260135016601700

 

 

 

 

 

Description:

 

Technical Parameters

Model

PN(MPa)

Casting test pressure(MPa)

Seal test pressure (MPa)

Materials of body, bonnet

HQ44X-10

1

1.5

1.1

iron or steel

HQ414-16

1.6

2.4

1.76

 

 

 

 

 

Mail part & material 

Body :  Cast iron, ductile cast iron ,WCB

Bonnet :  Cast iron, ductile cast iron, WCB

Ball :  cast steel coated with neoprene 

Medium :  water and weak corrosive fluid 

 

Applications:

Flanged Ball Check Valve uses the rubber covered roller as the disc, when, under the action of the 

medium, can roll up and down along with the integral sliding path inside the valve so as to open or 

close it. 

 

And it features by good tightness, silent close and no production of water hammer. 

 

The body is full waterflow path design, big flow, small resistance and the water head loss is smaller 

that of the swing type by 50.

 

 It is mountable vertically or horizontally and can be used for cold water, hot water, industrial and

 living sludge pipe networks, especially suitable for the submersible sludge pump. 

 

The medium temperature:0~80℃.

 

Dimensions

 

 

 

 

 

 

DN(mm)

L

D

D1

D2

Z-φd

H

50

180

160

125

100

4-18

185

65

200

180

145

120

4-18

210

80

260

195

160

135

4-18/8-18

245

100

300

215

180

155

8-18

280

125

350

245

210

185

8-18

335

150

400

280

240

210

8-23

400

200

500

335

295

265

8-23/12-23

495

250

600

390/405

350/355

320

12-23/12-25

600

300

700

440/460

400/410

375

12-23/12-25

715

350

800

500/520

460/470

435

16-23/16-25

820

 

Check  Valve - Ball type (nonreturn valve) was the first valves at  with a unique design. A very simple

 but robust design with no critical mechanism involved. 

 

All parts like  hinge pin disc mechanism used  in conventional valve are eliminated, and  has put in a 

reinforced rubber coated ball to arrest flow media  in return condition. 

 

This ball, moves totally out of  the flow path when the pumping is on to give minimum head losses. 

 

The spherical rubber coated ball seals perfectly on the rounded valve seat ensuring a totally leak proof

 sealing. 

 

This design offers other advantages like non clogging & self cleaning. In this virtually maintenance free 

valves, if required, after prolonged usage, the on-line replacement of the ball is just a minute job.

 

     

*  Lower power consumption

*  Larger solid handling capacity

*  Self cleaning, Non-Clogging

*  Perfect Sealing

*   Low pressure drop

 

 

  

Principle:

The heart of this valve is a reinforced rubber ball.  The unique design of the valve allows free movement of the ball. 

The ball moves to open position when the pump starts & allows free flow of liquid without any interference (See Fig.). 

As the pump stops, the ball seats firmly against the metal seat due to its own weight & back pressure of

 the liquid (Mouse over fig.). This results in DROPLESS sealing.

 

 

Part List / Materials of Construction

Part

Description

Standard

Special

1.

Body

Cast Iron

St. Steel, Cast Steel

2.

Cover

Cast Iron

St. Steel, Cast Steel

3.

Ball

Nitrile Reinforced

EPDM, Neoprene

4.

Cover Ring

Nitrile Rubber

Butyle, Viton

5.

Ball Seat Ring

L. T. Bronze

St. Steel, Hard Rub.

6.

Fasteners

Carbon Steel

St. Steel

 

 

 

 

 

 

 

 

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