Product Range
End Connection: RF, RTJ, BW
Nominal diameter: 2" ~ 48" (DN50 ~ DN1200)
Pressure range: Class 150 ~ 900（PN16 ~ PN150）
Working temperature: -46℃ ~ +200℃
Body material: Carbon steel, Stainless steel, Alloy steel, Bronze
Operation: Handwheel
Structural Characteristics:
Low volume, light weight, only 1/4~1/20 of those of traditional flanged check valve;
Short structural length, only 1/4~1/8 of that of traditional flanged check valve;
Quick valve disc closedown, low water hammer pressure;
Smooth flow passageway and small fluid resistance;
Narrow valve travel and small closedown impact;
Flexible action and good sealing performance;
Long service life and good reliability.
We welcome all the world customers to contact us for more cooperation.
With our years of technical knowledge and experience, we assure you,
Naibang will be one of your best parters in China.