Concentric Butterfly Valve
Technical parameters and characteristics：
Product type | ON/OFF |
Product description | Concentric Butterfly Valve |
Model | D41X-Concentric Butterfly Valve |
Nominal diameter | 2″～40″ |
Operating temperature | -15℃～150℃ |
Nominal pressure | CLASS 150～300 （PN20～PN50） |
Material | Main material: A216 WCB, WCC; A351 CF8, CF8M, CF3, CF3M, CF8C, A352 LCB, LCC, etc. |
Design standard | API 609, ASME B16.34 |
Structural length | ASME B16.10, GB/T 12221 |
Connecting end | ASME B16.5, ASME B16.47, ASME B16.25, GB/T 9113 |
Test standard | API 598, ISO 5208, GB/T 26480, GB/T 13927 |
Operation method | Handle, worm, motor-drive unit, pneumatic drive unit |
Application fields | Fresh water, sewage, seawater, brine, steam, natural gas, food, drug, oils and various acids and alkali, and other pipelines |
Technical characteristics | Small, light, installation, disassembly and repair friendly (can be installed at any position) |
Simple and compact structure, and quick opening and closing with 90° rotation | |
Small operating torque easy for opening and closing | |
Flow characteristics almost in straight line, and good adjustment function | |
Long service life (tested for over 10,000 times of opening and closing) | |
Good sealing performance of zero leakage | |
Two flow directions, no restriction for installation |