Forged Steel Straight-through Globe Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Forged steel straight-through globe valves
Introductions
Forged steel globe valve has three bonnet designs, first is a bolt-type bonnet, through the male-female surface connection, using stainless steel belt and the flexible graphite spiral wound gasket, and can also use ring connection according to demand; the second is a welding-type bonnet, through welding after the thread sealing, and can also direct use rigid welding according to demand; the third is a self-sealing bonnet, through the thread and self-sealing bonnet connection.
Structural design and specification
design according to API 602,BS5352,ANSI/ASME B16.34. test and inspection according to API 598, marks according to MSS SP-25.
Structural type
1. full diameter or reducing diameter
2. outside Screw and yoke
3. both ends self-aligning packing sleeve
4. spiral wound gasket sealing bolt bonnet,thread sealing welding bonnet, or slef-sealing bonnet
5. body inverted sealing
6. socket welding according to ANSI/ASME B16.11;
7. thread end ( NPT end ) according to ANSI/ASME B1.20.1
Dimensions & constructral diagram
Forged steel straight-through globe valve constructral diagram(pic1)
Forged steel straight-through globe valve constructral diagram(pic2)
The materials of main parts
| No. | part name | CStoASTM | AStoASTM | SStoASTM | |
| A105 | F22 | F304(L) | F316(L) | ||
| 1 | body | A105 | A182F22 | A182F304(L) | A182F316(L) |
| 2 | disc | A276420 | A276304 | A276304(L) | A276316(L) |
| 3 | Stem | A182F6 | A182F304 | A182F304(L) | A182F316(L) |
| 4 | gasket | 316 packed with flexible graphite | 316 packed with PTFE | ||
| 5 | bonnet | A105 | A276f304 | A276F304(L) | A276F316(L) |
| 6 | bolt | A193B7 | A193B16 | A193B8No. | A193B8M |
| 7 | eyebolt pin | A276420 | A276 304 | ||
| 8 | packing sleeve | A276410 | A182F304(L) | A182F316(L) | |
| 9 | eyebolt | A193B7 | A193B16 | A193B8 | A193B8M |
| 10 | packing plate | A216WCB | A351CF8 | ||
| 11 | nut | A1942H | A1944 | A1948 | A1948M |
| 12 | stem nut | A276410 | |||
| 13 | jam nut | A1942H | A1944 | A1948 | A1948M |
| 14 | nameplate | SS | |||
| 15 | handwheel | A197 | |||
| 16 | packing | flexible graphite | PTFE | ||
| applicable medium | water,steam,oil,etc | water,steam, oil,etc | nitric acid,acetic acid,etc | ||
| suitable temperature | —29°C～425°C | —29°C～550°C | —29°C～200°C | ||
2.CS means carbon steel; AS means alloy steel; SS means stainless steel.
Specification dimensions and weight（mm）
800LB
| NPS | reduced-opening | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |
| full-opening | 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 | |
900～1500LB
| NPS | reduced-opening | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | |
| full-opening | 3/8" | 1/2" | 3/4" | 1" | 11/4" | 11/2" | 2" | ||
| L | 92 | 111 | 111 | 120 | 152 | 172 | 200 | 220 | |
| H(开) | 171 | 207 | 207 | 240 | 258 | 330 | 355 | 370 | |
| W | 100 | 125 | 125 | 160 | 160 | 180 | 200 | 240 | |
| weight | bolt type | 2.2 | 3.7 | 3.6 | 6.8 | 7.6 | 11.6 | 15.0 | 21.9 |
| welding type | 2.0 | 3.4 | 3.3 | 6.0 | 5.6 | 10.3 | 14.2 | 18.0 | |
