Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Wafer Lug Type Dual Plate Check Valve
Product Range
1. End Connection: RF, RTJ, BW
2. Nominal diameter: 1.5" ~ 60" (DN40 ~ DN1500)
3. Pressure range: Class 150 ~ 2500 (PN16 ~ PN420)
4. Working temperature: -196℃ ~ +560℃
5. Body material: Carbon steel, Stainless steel, Alloy steel, Bronze, etc
6. Medium: Air, Water, Oil
Main Feature
1. It can be installed on horizontal and vertical pipelines.
2. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect.
3. The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise.
Design Standard
1. Design and manufacture: API 594
2. Inspection and test: API 598
3. Face to face and end to end: API6D
4. Pressure - temperature ratings: ASME B16.34
5. Flange end dimension: ANSI B16.5