Technical specifications Type 821

入口处的公称直径

DN 25 - DN 200 | 1" - 8"

流道

API Standard as well as Extra Orifice: 1 D 2 - 8 T 10 / 1 G 2 - 8 T+ 10

實際流道直徑d₀

11 - 180 mm | 0.433 - 7.087 in

实际流道面积A₀

95 - 25446.9 mm² | 0.147 - 39.443 in²

壓力

2.5 - 426 bar | 36 - 6170 psig

法兰等级 入口

PN 10 - PN 400 | CL150 - CL2500

温度(符合DIN EN标准)

-45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F)

温度(不符合ASME标准)

-45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F)

阀体 材质

1.0619, 1.4408 (Special: Hi Alloy) | SA 216 WCB, SA 351 CF8M, SA 352 LCB (Special: Hi Alloy)

阀门连接

Flange acc. to DIN EN 1092 or acc. to ASME B 16.5 or acc. to JIS 2220

装载类型

Controlled by process medium

批准书

ASME Sec. VIII Div. 1, PED/ DIN EN ISO 4126-4, PED/ AD 2000-Merkblatt A2, AQSIQ, EAC, TSSA

船级社

LR, RINA, DNV GL, BV

特价

Pilot action type: Modulate Action | Open: max. 10% opening pressure tolerance | Closed: max. 7% closing pressure tolerance | Application: Steam, gasses and liquids