Keystone Figure 221/222 Butterfly Valve
The Keystone Figure 221/222 is an economical bonded resilient seated butterfly valve for bi-directional and end-of-line service available in both wafer (Figure 221) and lugged (Figure 222) style.
基士敦F221/222蝶阀
Keystone F221/222是一种经济粘结弹性阀座蝶阀，用于双向和终端机服务，对夹式(图221)和支耳式(图222)。
Features
· Bubble tight shut-off at full rated pressure in both directions.
· The F222 lugged version is suitable for bi-directional end-of-line service at full pressure rating.
· Top and bottom bearings absorbs side thrust loads.
· A moulded-in O-ring in the seat for flange sealing eliminates the need for flange gaskets.
· Body locating holes for easy installation and centering between flanges.
· Extended neck allows adequate clearance for flange and insulation.
特征
· 双向气泡级密封。
· F 222支耳式适用于全压状态下的双向末端安装.
· 顶部和底部轴承吸收侧推力负荷。
· 法兰密封阀座中的模制O形环消除了法兰垫圈的需要.
· 阀体定位孔，便于安装，并在法兰之间对中。
· 加长阀杆使法兰和绝缘有足够的间隙。
Specifications
|
Material |
304 Stainless Steel, 316 Stainless Steel, Buna-N, Cast Iron, Epdm Rubber |
|
Operating Temperature |
Up to 250 F (120 C) |
|
Pressure Class |
ASME |
|
Process Connection Type |
150RF |
|
Seat/Seal Type |
Resilient |
|
Shutoff Class |
Zero Leakage |
|
Standards |
API 609, ASME B16.34 |
|
Valve Size |
5 inch, NPS 10 / DN 250, NPS 12 / DN 300, NPS 2 / DN 50, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 4 / DN 100, NPS 6 / DN 150, NPS 8 / DN 200 |
|
Valve Size Standard |
NPS |
|
Valve Type |
Butterfly |
|
Shutoff Class |
Zero Leakage |
|
Standards |
API 609, ASME B16.34 |
|
Valve Size |
NPS 8 / DN 200, NPS 6 / DN 150, NPS 4 / DN 100, NPS 3 / DN 80, NPS 2-1/2 / DN 65, NPS 2 / DN 50, NPS 12 / DN 300, NPS 10 / DN 250, 5 inch |
|
Valve Size Standard |
NPS |
|
Valve Type |
Butterfly |
规格
|
材料 |
304不锈钢，316不锈钢，Buna-N，铸铁，三元乙丙橡胶 |
|
操作温度 |
*多250 F(120 C) |
|
压力级 |
ASME |
|
过程连接类型 |
150 RF |
|
阀座/密封式 |
弹性 |
|
关闭级 |
零泄漏 |
|
标准 |
API 609，ASME B16.34 |
|
阀门尺寸 |
5英寸，NPS 10/DN 250，NPS 12/DN 300，NPS 2/DN 50，NPS 2-1/2/DN 65，NPS 3/DN 80，NPS 4/DN 100，NPS 6/DN 150，NPS 8/DN 200 |
|
阀门尺寸标准 |
NPS |
|
阀型 |
蝴蝶 |
|
关闭级 |
零泄漏 |
|
标准 |
API 609，ASME B16.34 |
|
阀门尺寸 |
NPS 8/DN 200，NPS 6/DN 150，NPS 4/DN 100，NPS 3/DN 80，NPS 2-1/2/DN 65，NPS 2/DN 50，NPS 12/DN 300，NPS 10/DN 250，5英寸 |
|
阀门尺寸标准 |
NPS |
|
阀型 |
蝴蝶 |
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