Forged steel internal thread and socket welding globe valve
Forged steel internal thread and socket welding globe valve
Nominal diameter: NPS 1/2 "~ NPS2" DN15 ~ DN50
Pressure range: PN1.6 ~ 10.0MPa
Working temperature: -29 ℃ ~ 550 ℃
Main material: carbon steel, stainless steel
Medium: water, steam, oil, nitric acid, acetic acid, etc.
applications: suitable for water, food, pharmaceutical, power, oil, gas, steam, and other media pipeline
First, Forged steel internal thread and socket welding globe valve overview
Forged steel internal thread and socket welding globe valve has three valve cover design, the first is a bolt-type valve cover, through the concavity and convex surface connection, the use of stainless steel with a flexible graphite spiral wound gasket, according to demand can also be used ring connection, the second is welded valve cover , Through the thread after sealing welding, according to demand can also be directly used rigid welding, the third is self-sealing valve cover, through the thread and self-sealing valve cover connection.
Second, forging steel valve design and specification
Forged steel internal thread and socket welding globe valves manufactured according to API 602, BS5352, ANSI / ASME B16.34. Test and acceptance according to API 598, according to MSS SP-25.
Third, the forging steel valve structure type
1, full diameter or reduced diameter;
2, the rod with a bracket;
3, both ends of the self-aligning packing sleeve;
4, with a wound gasket sealed bolt-type valve cover, threaded seal welded valve cover, or Self-sealing bonnet
5, body inverted seal;
6, socket welding ANSI / ASME B16.11;
7, threaded end (NPT side) according to ANSI / ASME B1.20.1.
Fourth, forging steel globe valve parts materials
| Serial number | Part Name | CStoASTM | AStoASTM | SStoASTM | |
| A105 | F22 | F304 (L) | F316 (L ) | ||
| 1 | Body | A105 | A182F22 | A182F304 (L) | A182F316 (L) |
| 2 | Discs | A276420 | A276304 | A276304 (L) | A276316 (L) |
| 3 | Stem | A182F6 | A182F304 | A182F304 (L) | A182F316 (L) |
| 4 | Gasket | 316 clip flexible graphite | 316 clamp PTFE | ||
| 5 | cap | A105 | A276f304 | A276F304 (L) | A276F316 (L) |
| 6 | bolt | A193B7 | A193B16 | A193B8 | A193B8M |
| 7 | Pin | A276420 | A276 304 | ||
| 8 | Packing sleeve | A276410 | A182F304 (L) | A182F316 (L) | |
| 9 | Living bolts | A193B7 | A193B16 | A193B8 | A193B8M |
| 10 | Packing plate | A216WCB | A351CF8 | ||
| 11 | Nuts | A1942H | A1944 | A1948 | A1948M |
| 12 | Stem nut | A276410 | |||
| 13 | fasten the screw nut | A1942H | A1944 | A1948 | A1948M |
| 14 | Nameplate | SS | |||
| 15 | Hand wheel | A197 | |||
| 16 | filler | Flexible graphite | PTFE | ||
| Applicable media | Water, steam, oil and so on | Water, steam, oil and so on | Nitric acid, acetic acid and so on | ||
| proper temperature | -29 ° C to 425 ° C | -29 ° C to 550 ° C | -29 ° C to 200 ° C | ||
1, the customer needs other materials can also be used. Seal fabric pairing is determined by the customer's designation.
2, CS = carbon steel; AS = alloy steel; SS = stainless steel;
Fifth, Forged steel internal thread and socket welding globe valve size (mm) and weight (kg)
NPS | Shrinkage | 3/8 " | 1/2 " | 3/4 " | 1" | 11/4 " | 11/2 " | 2" | |
Full path | 3/8 " | 1/2 " | 3/4 " | 1" | 11/4 " | 11/2 " | 2" | ||
L | 79 | 79 | 92 | 111 | 120 | 152 | 172 | 200 | |
H (open) | 166 | 166 | 171 | 207 | 240 | 258 | 330 | 355 | |
W | 100 | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
weight | Bolt type | 1.9 | 1.9 | 2.1 | 3.5 | 6.0 | 7.5 | 11.4 | 14.6 |
Welding type | 1.7 | 1.7 | 1.9 | 3.3 | 5.2 | 6.8 | 10.6 | 13.8 | |
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