Flange swing check valve H41W

Overview of American Standard Check Valves
1. The design and manufacturing of the product comply with the requirements of the American National Standard ANSIBl6.34 and the American Petroleum Institute Standard API16D.
2. The valve disc is a swing type, with a straight flow channel, and can be installed in both horizontal and vertical pipelines. 3. The rocker pin shaft adopts an internal structure, reducing the disadvantage of external leakage. 4. The valve body and valve cover are connected by bolts, with a rating greater than Class 600Lb under high pressure. The middle flange adopts an internal pressure self sealing structure, making the product lightweight and reliable in sealing. Standards (fire prevention, anti-static)
American standard for large caliber check valves STD (fire and electrostatic prevention)


Main component materials of American standard
large caliber check valves

External dimensions
