PNEUMATIC HIGH TEMPERATURE BALL VALVE Q641M

SIZE

Nominal

pressure(MPa)

Strength test

pressure(MPa)

Sealing test

pressure(MPa)

Applicable

temperature(℃)

Applicable

medium

Q41M/F-16C

1.6

2.4

1.8

-28～+300 (M/F)

Thermal conductive oil, water, steam, gas, oil,

Nitric acid corrosive medium and

acetic acid corrosive medium

Q41M/F-16C

2.5

3.8

2.8

-28～+350 (PPN)

NO.

Name of Parts

and Components

Material Science

1

valve body

Ductile Iron, Carbon Steel, Cast Stainless Steel

2

Seal ring

(M/F)graphite≤300℃ (PPN)Polyphenylene、temperature≤350℃

3

Ball

Stainless steel

4

filler

Teflon

5

Packing gland

QT450－10Ductile iron

6

Stem

Carbon steel, chromium stainless steel

7

Handle

carbon steel

Model

Specifications

size

L

D

D 1

D 2

z-φd

H

b

Q41M/F-16

15

130

95

65

45

4-14

85

14

20

150

105

75

55

4-14

95

16

25

160

115

85

65

4-14

103

16

32

180

135

100

78

4-18

105

18

40

200

145

110

85

4-18

120

18

50

230

160

125

100

4-18

195

20

65

290

180

145

120

4-18

195

20

80

310

195

160

135

8-18

215

22

100

350

215

180

155

8-18

253

24