Product description

Double Eccentric Metal Seated Butterfly Valve

Model

D42F-Double Eccentric Metal Seated Butterfly Valve

Nominal diameter

2″～48″

Operating temperature

-46℃～250℃

Nominal pressure

CLASS 150～600 （PN20～PN100）

Material

Main material: A216 WCB, WCC; A217 WC6, WC9, C5, C12, C12A, CA15; A351 CF8, CF8M, CF3, CF3M, CF8C, CN3MN, CK3MCUN, CN7M; A352 LCB, LCC; A494 CW-6MC, CU5MCuC, M35-1; A890 4A(CD3MN),  5A(CE3MN), 6A(CD3MWCuN), 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

Used as control and cut-off equipment for smelting, chemical engineering, sewage engineering, environmental protection system and control subsystems of water plant, power plan and steel plant.

Technical characteristics

Compact structure, easy installation and disassembly, repair friendly and light weight

The eccentric structure is adopted to reduce the friction of sealing ring and extend the service life of valve.

Small operating torque easy for opening and closing

Good sealing performance of zero leakage.