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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)
3 web/4 web Valve and Seat (stem guided valve and seat)
Fracturing Pump Valve and Seat
Valve Insert Valve Spring
