ZHEJIANG HENGGAO VALVE MANUFACTURE CO., LTD
Constant high valve with 6 m diameter turbine inlet valve manufacturing capacity, is currently the largest diameter valves manufacturing base in East China.
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API、GB Butterfly Valve  
 产品名称 对焊式金属硬密封蝶阀 产品型号

对焊式金属硬密封蝶阀
Butt weld type metallic hard sealing
butterfly valve
性能规范 Property specification
用途及特点 Purpose and characteristic

本蝶阀适用于高温、高压、防火、保温等管道上作启闭或掉接介质之用。
其主要特点如下:
1、结构紧凑、体积小、重量轻、操作灵活、使用方便;
2、采用三维偏心弹性或多层次硬密封结构,气密封性能可靠达到零泄漏;
3、此阀无法兰,对管道的保温包扎带来很大方便和美观;
4、具有耐高温、高压、耐腐蚀、耐磨损等特点。

传动型式 Drive type
蜗轮传动、气动传动、 电动传动。
Worm wheel drive,pneumatic drive,electric drive.



主要技术参数 Main technology parameter
公称通径Nominal diameter DN(mm) 80~2000
公称压力Nominal pressure PN(MPa) 0.6 1.0 1.6 2.5 4.0

试验压力Ps(MPa)Test pressure

强度试验 Sheal test 0.9 1.5 2.4 3.75 6.0
密封试验 Seal test 0.66 1.1 1.76 2.75 4.4
气密封试验 Gas seal test 0.6 0.6 0.6 0.6

0.6

适用介质Appropriate medium 水、蒸汽、油品、酸类腐蚀性等。Water,steam,oil,acid corrosive and so on.
适用温度Appropriate temperatuer 碳钢Carben steel:-29℃~-450℃   不锈钢Stainless steel:-40℃~-600℃

主要零件的材质 Material for main part

零件名称Parts name 材料 Material
阀体Body 铸钢、不锈钢、铬钼钢及特殊材料 Cast steel,stainless steel,Cr.Mo.Steel and ad hoc
material
碟版Disc 铸钢、合金钢(镀硬铬)、不锈钢、铬钼钢及特殊材料Cast steel,Alloy steel,stainless
steel,Cr.Mo.Steel and ad hoc material
密封圈Seal ring 不锈钢、聚内脂、抗磨材料Stainless steel,polyester lactone,resist grind material
阀杆Stem 2Cr13、1Cr13不锈钢、铬钼钢Stainless steel,Cr.Mo.Steel
填料Packing 柔性石墨Flexible graphite


D t
d
363 H
W
- (C.I.P.R)对焊式硬密封蝶阀系列外形尺寸

Butt weld type hard sealing butterfly valve external dimension

公称通径DN Nominal diameter

结构长度(标准值)Structure length
(standard)

L

毫米mm

0.6MPa

1.0MPa

1.6MPa

2.5MPa

4.0MPa

80

180

180

180

180

180

100

190

190

190

190

190

125

200

200

200

200

200

150

210

210

210

210

210

200

230

230

230

230

230

250

250

250

250

250

250

300

270

270

270

270

270

350

290

290

290

290

290

400

310

310

310

310

310

450

330

330

330

330

330

500

350

350

350

350

350

600

390

390

390

390

390

700

430

430

430

430

430

800

470

470

470

470

470

900

510

510

510

510

510

1000

550

550

550

550

550

1200

630

630

630

630

630

1400

710

710

710

710

710

1600

790

790

790

790

790

1800

870

870

870

870

870

2000

950

950

950

950

950

   
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