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Model

Q41MF-16

Q41MF-25

Nominal pressure (MPa)

1.6

2.5

Working pressure (T℃/MPa)

200℃/＜0.98

300℃/＜1.75

Test pressure

Body

2.4

3.75

Seal ( water pressure)

1.8

2.75

Seal (air pressure)

0.6

0.6

Operating temperature ℃

-25≤t≤200

-25≤t≤300

Medium

water Steam oil (without particle impurities)

Materials Name

Model

Q41MF-16

Q41MF-25

Body

Casting steel

Casting steel

Body

Stainless Steel

Stainless Steel

seal ring

Composite graphite

Composite graphite

valve handle

1Cr13

1Cr13

DN

L

D

D1

D2

n-d

H

b-f

15

130

95

65

45

4-14

85

14-2

20

150

105

75

55

4-14

95

16-2

25

160

115

85

65

4-14

103

16-2

32

180

135

100

78

4-18

105

18-2

40

200

145

110

85

4-18

120

18-3

50

230

160

125

100

4-18

195

20-3

65

290

180

145

120

4-18

195

20-3

80

310

195

160

135

8-18

215

22-3

100

350

215

180

155

8-18

253

24-3

125

400

245

210

185

8-18

285

26-3

150

480

280

240

210

8-23

290

28-3

200

600

335

295

265

12-23

290

30-3

DN

L

D

D1

D2

n-d

H

b-f

15

130

95

65

45

4-14

85

14-2

20

150

105

75

55

4-14

95

16-2

25

160

115

85

65

4-14

103

16-2

32

180

135

100

78

4-18

105

18-2

40

200

145

110

85

4-18

120

18-3

50

230

160

125

100

4-18

195

20-3

65

290

180

145

120

8-18

195

22-3

80

310

195

160

135

8-18

215

24-3

100

350

230

190

160

8-23

253

24-3

125

400

270

220

188

8-25

285

26-3

150

480

300

250

218

8-25

290

28-3

200

600

360

310

278

12-25

290

30-3