VALVE & SEAT
Feature:
Types: full open, three web, four web
Size: API 4#,5#,6#,7#,8#
Material: solid forged by high quality alloy steel 20Cr
Manufacturing process: Forging, carburizing and quenching
Depth of carburized layer: 1.80~2.22mm
Hardness: HRC58~65
Valve insert material: polyurethane
Temperature tolerance property: -60℃~100℃
Full Open Valve and Seat (wing guided valve and seat)
![](https://stc-eg.com/storage/images/wqeeKrkcPniqCIK7UhBNSp9JihdLu2sJie5e46pz.jpg)
3 web/4 web Valve and Seat (stem guided valve and seat)
![](https://stc-eg.com/storage/images/2BjEBB4FFVUSzsKlYHG481hlTObhkKIBpdFK5u90.jpg)
Fracturing Pump Valve and Seat
![](https://stc-eg.com/storage/images/GNhUHsxTrTRyoBlOozFHGNNfVptL39bAwaODum60.jpg)
Valve Insert Valve Spring
![](https://stc-eg.com/storage/images/RqeK0jmq0lgouWFspDAMIXH0tvOGjcjuDe0YQS1b.jpg)