Product type

ON/OFF

Product description

Concentric Butterfly Valve

Model

D41X-Concentric Butterfly Valve

Nominal diameter

NPS 2”～40”(DN50～DN1000)

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

Other remarks 1

Small, light, installation, disassembly and repair friendly (can be installed at any position)

Other remarks 2

Simple and compact structure, and quick opening and closing with 90° rotation

Other remarks 3

Small operating torque easy for opening and closing

Other remarks 4

Flow characteristics almost in straight line, and good adjustment function

Other remarks 5

Long service life (tested for over 10,000 times of opening and closing)

Other remarks 6

Good sealing performance of zero leakage

Other remarks 7

Two flow directions, no restriction for installation