CVHB Micro-Resistance Slow-Closing Butterfly Check Valve

Product Overview

The CVHB series of silent slow-closing check valves can be used in drainage pipelines for media such as clean water, sewage, and seawater. They not only prevent backflow of the medium but also effectively limit destructive water hammer, ensuring the safety of pipeline use. They feature a novel structure, compact size, light weight, low fluid resistance, reliable sealing, smooth opening and closing, wear resistance, long service life, and oil pressure and slow-closing performance unaffected by the medium, offering excellent energy-saving effects.

Product Application:
This valve is used in water supply and drainage pipeline systems.
Main Technical Parameters:
Applicable Medium Applicable Temperature Connection Type Material
Clean water, seawater, sewage 0-80°C (up to 200°C if required) Flange connection Cast iron, cast steel
Standard Specifications
Flange Standard Test Standard
GB/T 17241.6 GB/T 9113 GB/T 13927 API 598

Main External Connection Dimensions
PN1.0-2.5MPa
DN 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000
L 140 150 170 180 190 200 210 230 250 270 290 310 330 350 390 430 470 510 550
H 200 215 225 235 280 290 310 350 415 450 480 550 585 640 720 780 840 990 1050
H1 88 98 108 118 130 148 172 210 240 264 297 324 351 379 434 491 549 600 655