API forged steel gate valve

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API forged steel gate valve

Product model: Z41Y
Nominal diameter: DN10 ~ 50mm
Nominal: PN2.5,4.0,10.0,14.0,25.0Mpa
Suitable medium: water, nitrogen-hydrogen mixed gas, urea and methylamine solution, etc.
Connection: flange connection, and an internally threaded socket weld connection
design and manufacturing: ANSIB16.34 API600 API602
flange dimensions: ANSIB16.5
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First, American Standard forged steel gate valve structural features: 
1, forged steel valves for nominal pressure PN2.5,4.0,10.0,14.0,25.0Mpa, the nominal diameter of DN10 ~ 50mm high-temperature, high-pressure valve. Applicable medium for water, nitrogen and hydrogen mixed gas, urea and methylamine liquid. 
2, stem and stem nut for the trapezoidal thread drive, thread in line with the provisions of GB5796. Stool head design with a tapered upper sealing surface, when the valve is fully open with the valve cover on the tight seal, no leakage. 
3, the valve body, bonnet and other pressure parts using the overall forging (tire model forging), the valve body flange can also be used in the form of welding. The connection of the valve is in the form of a flange connection, a socket connection and an internal thread connection. 
4, the valve seat and the valve body connection has a screw connection, welding, in the valve body on the surfacing alloy layer or stainless steel valve directly from the valve body processing. Surfacing layer thickness greater than or equal to 2mm. 
5, for the nominal pressure greater than 15.0Mpa forged steel valve pressure from the tight seal structure, packing boxes and gate are used for the overall forging processing to ensure compression strength.

Second, the American Standard forged steel gate valve design and manufacturing standards:
1, design and manufacture: ANSIB16.34 API600 API602 
2, flange size: ANSIB16.5 
3, the pressure temperature: ANSIB1.20.1 
4, the length of the structure: ANSIB16.10 
5 , Butt welding connection size: ANSIB16.11 
6, inspection and testing: API598


Third, American Standard forged steel gate valve Product Material:

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Serial number

Part NameCS to ASTM

AS to ASTM

SS to ASTM

Type A105Type F22Type F304 (L)Type F316 (L)
1BodyA105A182 F22A182 F304 (L)A182 F316 (L)
2SeatA276 420A276 304A276 304 (L)A276 316 (L)
3gateA276 410 & 430A182 F304A182 F304 (L)A182 F316 (L)
4StemA182 F6A182 F304A182 F304 (L)A182 F316 (L)
5GasketCorrugated SS + graphiteSS + PTFE
6capA105A182 F22A182 F304 (L)A182 F316 (L)
7boltA193 B7A193 B16A193 B8A193 B8M
8PinA276 420A276 304
9Packing sleeveA276 410A182 F304 (L)A182 F316 (L)
10Living boltsA193 B7A193 B16A193 B8A193 B8M
11Packing plateA105A182 F11A182 F304 (L)A182 F316 (L)
12NutsA194 2HA194 4A194 8A194 8M
13Stem nutA276 420
14fasten the screw nutA194 2HA194 4A194 8A194 8M
15NameplateSS
16Hand wheelA197
17Lubricating gasketsA473 431
18fillerFlexible GraphitePTFE
Applicable mediaWater, steam, oil and so onWater, steam, oil and so onNitric acid, acetic acid and so on
proper temperature-29 ° C to 425 ° C-29 ° C to 550 ° C-29 ° C to 180 ° C

Note: Other materials available to customers are also available. Seal fabric pairing is determined by the customer's designation. CS = carbon steel; AS = alloy steel; SS = stainless steel


Four, American Standard forged steel gate valve connection size:

ANSI 150Lb

NPS

And rounds.itherters nights

3/8

1/2

3/4

1

11/4

11/2

2

L

-

-

108

117

127

140

165

178

L1

79

79

79

92

111

120

120

140

H

169

169

169

193

230

246

283

330

D0

100

100

100

100

125

160

160

180

Wt

-

-

5

6.1

8.4

14.3

15.4

22.7

Wt1

2.2

2.4

2.4

2.4

4.8

6.1

7.2

11.2

ANSI 300Lb

NPS

And rounds.itherters nights

3/8

1/2

3/4

1

11/4

11/2

2

L

-

-

140

152

165

178

190

216

L1

79

79

79

92

111

120

120

140

H

169

169

169

193

230

246

283

330

D0

100

100

100

100

125

160

160

180

Wt

-

-

5.2

6.3

8.6

14.5

15.6

22.8

Wt1

2.2

2.4

2.4

2.4

4.8

6.1

7.2

11.2

ANSI 600Lb

NPS

And rounds.itherters nights

3/8

1/2

3/4

1

11/4

11/2

2

L

-

-

165

190

216

229

241

292

L1

79

79

79

92

111

120

120

140

H

169

169

169

193

230

246

283

330

D0

100

100

100

100

125

160

160

180

Wt

-

-

5.9

7.5

10.2

16.7

17.4

28.7

Wt1

2.2

2.4

2.4

2.4

4.8

6.1

7.2

11.2

ANSI 800Lb

NPS

And rounds.itherters nights

3/8

1/2

3/4

1

11/4

11/2

2

L1

79

79

79

92

111

120

120

140

H

169

169

169

193

230

246

283

330

D0

100

100

100

100

125

160

160

180

Wt1

2.2

2.4

2.4

2.4

4.8

6.1

7.2

11.2