swing check valve

Nominal diameter

NPS 2”～40”

DN50～DN1000

Design temp.

-196℃ ～ 593℃

Design pressure

class 150 ～ 2500

PN 16 ～ PN420

Material

A216 WCB, WCC, A217 WC6, WC9, C5, C12A, A352 LCB, LCC,
A351 CF8, CF8M, CF3M, CF8C, CN3MN, CK3MCUN, CN7M,
A890 4A(CD3MN), 5A(CE3MN), 6A(CD3MWCuN),
ASTM B 148 C95800, C95500

Design standard

BS 1868, API 6D

DIN 3352

Face to Face

ASME B16.10

EN558 series

Connection end

RFF, RTJ, BW

EN1092 series

Test standard

API 598, ISO 5208

EN12266-1

Operation

Application

electric power, petroleum refining, petrochemical engineering,
offshore oil, chemical engineering

Function 1

Bolted cover

Function 2

API 6D – full bore

Function 3

BS 1868 – standard bore

Function 4

Inside of shaft/ outside of shaft

Function 5

Outside of shaft: could be mounted lever + counterweight

Function 5

Large size of check valve could be mounted hydraulic damping cylinder