Accessory name

Material:

GB

ASTM

Body, bonnet

WCB

A216-WCB

Sealing Ring

PTFE、PTFE、Counterpoint polypheny1

PTFE、PTFE、Counterpoint polypheny1

Ball

1Cr18Ni9Ti

SS 304

Seat、Stem

2Cr13

A246-416

Dual-head double-screw bolt

35CrMoA

A193-B7

PN(MPa)
Nominal diameter

Test pressure

Shell

High-pressure liquid sealing

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

Applicable
Operating Mode

Applicable medium

Non-corrosion medium such as water, oil products,
and gas, etc,and nitric acid corrosion medium.

Applicable temperature

-28-350℃

Applicable specification

Connecting flange

JB79-59、GB9113、HG20592-97、ANSI B16.5

Test and inspection

GB9/T 9092-99、API 598

Other manufacturing standard is according to the standard of our factory.

Nominal pressure

Main dimension

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