Ball check Valve

MODEL

H44B

DN

50-200

PN 

10/16/25

Material. 

Ductile Iron

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Swing Rubber flap check Valve

MODEL

H44X

DN

40-600

PN 

10/16/25

Material. 

Ductile Iron

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Butterfly check Valve

MODEL

HH48/49

DN

40-1400

PN 

10/16/25

Material. 

Ductile Iron

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Silence check Valve

MODEL

DRVZ

DN

40-300

PN 

10/16/25

Material. 

Ductile Iron

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Quick opening check Valve

MODEL

DN

40-300

PN 

10/16/25

Material. 

Ductile Iron

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Silence check Valve

MODEL

HC41X

DN

40-600

PN 

10/16/25

Material. 

Ductile Iron

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Butterfly type double disc check Valve

MODEL

Null

TEMPERATURE

-20-120℃

DN

50-600

Seat Material

EPDM/NBR

PN 

1.0-1.6Mpa

Body Material.

Ductile Iron

Disc Material.

Stainless Steel

Shaft/Spring Material.

Stainless Steel

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Wafer Lift check Valve

MODEL

Null

TEMPERATURE

-20-300℃

DN

50-300

PN 

1.0-1.6Mpa

Body Material.

Ductile Iron

Disc Material.

Stainless Steel

Spring Material.

Stainless Steel

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Lift Silence check Valve

MODEL

Null

TEMPERATURE

-20-120℃

DN

50-300

SEAT MATERIAL

EPDM NBR

PN 

1.0-1.6Mpa

Body/Disc Material.

Ductile Iron

Disc Material.

Stainless Steel

Guide Frame,/Guide Shaft material

Stainless Steel

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Horizontal ball check valve

MODEL

Null

TEMPERATURE

-20-120℃

DN

50-400

Ball MATERIAL

EPDM NBR Coated Steel

PN 

1.0-1.6Mpa

Body Material.

Ductile Iron

Bonnet Material.

Ductile Iron

Guide Frame,/Guide Shaft material

Stainless Steel

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resistant slow-closed check valve 

MODEL

HH44X

DN

40-800

PN 

10/16/25

Material. 

Ductile Iron

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slow-closed muffler check valve 

MODEL

300X

DN

40-800

PN 

10/16/25

Material. 

Ductile Iron

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 Low Resistance Backflow Preventer

MODEL

NULL

DN

50-300

PN 

10/16/25

Material. 

Ductile Iron

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