Valve assembly

Valve assembly is installed in the module of mud pump fluid end. It consists of valve body, valve insert and 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: CPU (composite polyurethane)

                       TPU (high temperature resistance polyurethane)

                       NBR (nitrile rubber buna)       

Surface treatment: Grit blasting

Temperature tolerance property: -60℃~100℃

Full Open Valve and Seat

also named wing guided with full open seat;

The valve insert can be snapped on easily or bonded urethane insert.

Connection between guide wing and valve body:

inertia welded and solid forged

There are different styles:

regular full open valve and seat

full open valve and seat with bonded insert

roughneck style full open valve and seat

G2 style full open valve and seat

3 web/4 web design Valve and Seat

also named stem guided with full open seat;

4 web design valve and seat=cross arms valve and seat

We can provide spare parts for the following series of drilling mud pump: