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Ball Valves Small resistance slow-close butteryfly check valve SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE EN HH46/8/9X/H

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Ball Valves Small resistance slow-close butteryfly check valve SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE EN HH46/8/9X/H

Valve Seriers - Check Valve Seriers
SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE EN HH46/8/9X/H
A. SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE STRUCTURE CHARACTERISTICS AND USAHE

SMALL RESISTANCE SLOW-CLOSE
BUTTERFLY CHECK VALVE
This valve is a safety device mounted in the pipeline or pump outlet to prevent the pump from inversed running due to the differential water hammer's shock in the pipeline when the pump stops. And it features by the brand-new structure, small fluid resistance, reliable seal, stable open-close, long duration, better energy-saving effect. Suitable for the pipeline related to the systems of water supply and drainage, fire-fighting, warming etc. or the pump outlet to prevent both pump and pipeline from being damaged due to the water hammer produced when the medium flows back and from the silencing effect.
B. SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE MAIN TECHNICAL PARAMETER
PN(MPa)1.01.6
Test pressure
(MPa)
Shell strength1.52.4
Sealing performance1.11.76
Working temperature≤80℃
Applicable mediumClean-water、Sea
Slow-close  time0~60
C. SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE MATERIAL FOR MAIN PARTS
Name of partsBody,DiscStem、Oil cylinder、Oil corkSpringSeat
MaterialCast-iron Bowl-shape steelBowl-shape     steel、Stainless steelStainless steelStainless steelNBR
D. SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE MAIN EXTERNAL AND CONNECTION DIMENSIONS
DN(mm)PN(mm)LDD1D2BHH1n-d
501.0/1.6160165125100201051104-18
65170185145120201101154-18
80180200160135221151204-18/8-18
100190220180158241302288-18
150210285240212261722308-23
200230340295268282102708-23/12-23
250250395/405350/35532028/3024030512-23/12-25
300270445/460400/41037028/3026436712-23/12-25
350290505/520460/47043030/3429442216-23/16-25
400310565/580515/52548232/3632446216-25/16-30
450330615/640565/58553232/4035149720-25/20-30
500350670/715620/65058534/4437953220-25/20-34
600390780/840725/77068536/4843460720-30/20-37
700430895/91084080040/5049170224-30/24-37
8004701015/102595090544/5254979224-34/24-41
9005101115/11251050100546/5460090028-34/28-41
10005501230/12551160/1170111050/56
Quality Ball Valves Small resistance slow-close butteryfly check valve SMALL RESISTANCE SLOW-CLOSE BUTTERFLY CHECK VALVE EN HH46/8/9X/H for sale
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