Product type

Switch valve

Product description

Dual plate check valve

Model

H46H/X

Size

NPS 2”～48”(DN50～DN1200)

Operating temperature

 -46℃～593℃ acc to material

Operating pressure

CLASS 150～2500 （PN20～PN420）

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); ASME B 148 C95800、C95500 .etc

Standard

API 6D、API 594、ASME B16.34

Face to face

API 6D、API 594

Connecting end

ASME B16.5、ASME B16.47

Test standard

API 598、ISO 5208

Operation

Auto

Application fields

electric power industry, petroleum refining, petrochemical industry, offshore oil, chemical industry and etc.

Seal material

13Cr, STL , rubber, PTFE

Remark 1

Apply to prevent the backflow of medium in the pipeline or the device.

Remark 2

spring control the disc, moves sensitive, good sealing property