零件名稱 
Accessory name

材 質(zhì) Material

GB

ASTM

閥體、閥蓋 
Body,bonnet

WCB

A216-WCB

密封圈 
Sealing Ring

PTFE、對位聚苯
PTFE、Counterpoint polypheny1

PTFE、對位聚苯
PTFE、Counterpoint polypheny1

球體 Ball

1Cr18Ni9Ti

SS 304

閥座、閥桿 
Seat、Stem

2Cr13

A246-416

雙頭螺柱
Dual-head double-screw bolt

35CrMoA

A193-B7

公稱壓力 PN（MPa）
Nominal diameter

試驗壓力 Test pressure

殼體 Shell

高壓液密封
High-pressure liquid sealing

低壓氣密封 
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

適用工況 
Applicable 
Operating Mode

適用介質(zhì)
Applicable medium

水、油品、氣等非腐蝕介質(zhì)和酸堿腐蝕介質(zhì) 
Non-corrosion medium such as water, oil products, 
and gas, etc,and nitric acid corrosion medium.

適用溫度
Applicable temperature

-28-350℃

應(yīng)用規(guī)范 
Applicable specification

連接法蘭 
Connecting flange

JB79-59、GB9113、HG20592-97、ANSI B16.5

檢驗試驗
Test and inspection

GB9/T 9092-99、API 598

其余制造規(guī)范均按本廠標(biāo)準(zhǔn) 
Other manufacturing standard is according to the standard of our factory.

公稱壓力或壓力級 Nominal pressure

主要尺寸
Maindimension

公稱通徑

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

其余的法蘭尺寸請參閱（主要外型及連接尺寸表）