零件名称 
Accessory name

材 质 Material

GB

ASTM

阀体、阀盖 
Body,bonnet

WCB

A216-WCB

密封圈 
Sealing Ring

PTFE、对位聚苯
PTFE、Counterpoint polypheny1

PTFE、对位聚苯
PTFE、Counterpoint polypheny1

球体 Ball

1Cr18Ni9Ti

SS 304

阀座、阀杆 
Seat、Stem

2Cr13

A246-416

双头螺柱
Dual-head double-screw bolt

35CrMoA

A193-B7

公称压力 PN(MPa)
Nominal diameter

试验压力 Test pressure

壳体 Shell

高压液密封
High-pressure liquid sealing

低压气密封 
Low-pressure hermetic sealing

1.6

2.4

1.76

0.6

2.5

3.75

2.75

4.0

6.0

4.4

CLASS150

3.O

2.2

适用工况 
Applicable 
Operating Mode

适用介质
Applicable medium

水、油品、气等非腐蚀介质和酸碱腐蚀介质 
Non-corrosion medium such as water, oil products, 
and gas, etc,and nitric acid corrosion medium.

适用温度
Applicable temperature

-28-350℃

应用规范 
Applicable specification

连接法兰 
Connecting flange

JB79-59、GB9113、HG20592-97、ANSI B16.5

检验试验
Test and inspection

GB9/T 9092-99、API 598

其余制造规范均按本厂标准 
Other manufacturing standard is according to the standard of our factory.

公称压力或压力级 Nominal pressure

主要尺寸
Main dimension

公称通径

15/1/2″

20/3/4″

25/1″

32/11/4″

40/11/2″

50/2″

65/21/2″

80/3″

100/4″

125/5″

150/6″

200/8″

PN1.6MFb

L

150

150

180

200

220

240

260

280

320

380

440

550

PN2.5MFh

L1

75

75

90

100 

110 

120

130

140

160

190

220

275

PN4.0MFb

H

90

90

102

115

135

140

155

185

210 

275

305

335

CLASS150

W

140

140

155

250

250

350

350

420

700

1000 

1300

1800

其余的法兰尺寸请参阅样本 <主要外型及连接尺寸表>