基本信息
| 标准或Nonstandard | 标准 |
|---|---|
| 结构 | 星门 |
| 压力 | 高压 |
| 权力 | 液压 |
| 材料 | 合金 |
| 温度的媒体 | 高温 |
| 媒体 | 基地 |
| 港口的规模 | 2 1/16" |
| 出生地 | Sichuan China (Mainland) |
| 模式的数量 | API 6A |
| 牌子的名字 | tiangong |
Body and bonnet are sealed by metal to improve the seal performance. Reverse seal mechanism sets between the stem and bonnet. Body is made of high quality alloy steel forging, no perforation and safe. Sealing surface is sprinkling welded cemented carbide with properties of corrosive-resistance, scrub-resistance, wear-resistance. Body gasket channels are welded anstenitic stainless steel. Spring load on the Parallel discs and valve seat to realize two-sides seal. Can realize long-diatance control.
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