高压闸阀主要适用于火力电站各种系统的管路上，切断或接通管路介质。该阀与其他阀门相比的特点是耐高温高压，独特的自密封设计，压力越高，密封越可靠。由于其采用锻造的阀体，机械加工成型，其致密性比普通铸造的阀门要好很多，安全耐用。
A Class 800 Forged Steel Gate Valve.
A105 to API 602 Trim 13% Cr + HFS and Tested to API 598Temperature -0ºC to 538ºC.
Screwed BSPP
NPT
Socket Weld
| Material Specification |
| Body |
ASTM A105N |
| Seats |
St St + Stellite |
| Wedge |
St St A182F6a |
| Stem |
St St A182F6a |
| Gasket |
Graphite 316 |
| Studs Body |
ASTM A193 B7 |
| Bonnet |
ASTM A105N |
| Nuts |
ASTM A194 2H |
| Packing Ring |
Graphite |
| Packing Gland |
St St 416 |
| Handwheel |
Carbon Steel |
DIMENSIONS
| Size |
L |
H Close |
H Open |
W |
D |
B |
Kg |
| 1/2″ |
80 |
145 |
152 |
80 |
21.7 |
9.65 |
1.5 |
| 3/4″ |
90 |
155 |
165 |
80 |
27.05 |
12.7 |
2.1 |
| 1″ |
110 |
185 |
198 |
100 |
33.78 |
12.7 |
2.8 |
| 11/2″ |
127 |
255 |
268 |
140 |
48.64 |
12.7 |
5 |
| 2″ |
130 |
277 |
295 |
140 |
61.11 |
15.75 |
8.2 |
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