Reliable Valve Assembly for Mud Pump Hydraulic End Systems

Customization: Available
After-sales Service: Available
Warranty: Available

Product Description

Basic Product Information
Manufacturing Process
Forging
Surface Treatment
Spray-Paint
Operation Pressure
Atmospheric Pressure
Material
Alloy Steel
Product Name
Valve Assembly
Usage
Mud Pump Part
Heat Treatment
Carburizing Depth > 1.8 mm
Surface Hardness
≥ HRC 60
Sealing Material
PU / NBR / HNBR
Service Life
> 300 Hours (Harsh Conditions)
Model Type
3-Web, 4-Web, Full Open
Specifications
4# 5# 6# 7# 8#
Professional Valves and Seats
Valves and Seats are critical components of the mud pump hydraulic end, engineered to withstand high-frequency operation and severe impact loads. Forged as a single piece from premium 20CrMnTi alloy steel, it undergoes advanced heat treatment with a carburization depth exceeding 1.8 mm, achieving a working surface hardness of HRC60 or higher for exceptional strength and toughness. Its PU, NBR, or HNBR sealing elements deliver outstanding wear resistance, ensuring over 300 hours of effective service and long-term reliable performance in harsh drilling conditions.
Mud Pump Valve Assembly
Mud Pump Seat Component
Key Features
Valve Body Features
  • ● Material: 20CrMnTi/20CrMoCi for body and seat
  • ● Insert Material: High-grade NBR, CPU, or TPU
  • ● Versatile Structure: Full open, three-web, or four-web styles
  • ● Carburized Depth: Precise layer of 1.80~2.22mm
  • ● Hardness Level: Exceptional HRC60-65 range
  • ● Temperature Tolerance: Reliable from -60ºC to 100ºC
Product Classification
Full Open Valves

Full Open Valves and Seats

Web Design Valves

3-Web / 4-Web Design

We offer a full range of valves and seats including full open designs with four guide wings and stem-guided 3/4 web designs. The urethane inserts are designed for easy replacement with minimum downtime, ensuring a long-lasting service life under the most demanding field conditions.
Valve Part 1
Valve Part 2
Valve Part 3
Valve Part 4
Valve Part 5
Valve Part 6
Compatible Mud Pump Models
Brand / Series Suitable Models
American BlockK-800K-1000K-1300K-1600/2200
Bomco / RGF-500F-800/1000F-1300/1600F-1600HL/2200HL
EmscoF-500F-800/1000F-1300/1600FD-1000/FC-2200
National7-P-508-P-809-P-10010-P-130/12-P-160
Gardner DenverPAHPZ-7/8/9PZ-10/11PXL/PX-11
IdecoT-500T-800T-1000T-1300/1600
OilwellA-850-PTA-1100-PTA-1400-PTA-1700-PT
Related Mud Pump Parts
Chrome Sleeve liners

Chrome Sleeve Liners

Ceramic-Zirconia Liners

Ceramic-Zirconia Liners

Valves and Seats

Valves and Seats

Pistons

Pistons

Manufacturing Excellence
As a distinguished high-tech enterprise, we seamlessly integrate product design, precision manufacturing, and premium technical services into a cohesive industrial chain. Specializing in the R&D of hydraulic end accessories for oil drilling pumps, we have carved a niche in the sector through relentless innovation, garnering ministerial and provincial-level accolades alongside multiple invention patents. Our comprehensive product range, including valve boxes, cylinder liners, and valve assemblies, is deployed across onshore and offshore oilfields worldwide, serving key energy markets in the United States, Canada, Indonesia, and the Middle East.
Factory Overview
Production Line
Frequently Asked Questions
What materials are used for the valve body and seats?
The bodies and seats are forged from premium 20CrMnTi or 20CrMoCi alloy steel, ensuring maximum strength and impact resistance.
What is the expected service life of these valves?
Under harsh drilling conditions, our valve assemblies are engineered to provide over 300 hours of effective service life.
Are your products compatible with major pump brands?
Yes, we provide parts compatible with Bomco, Emsco, National, Oilwell, Gardner Denver, Ideco, and many other international brands.
What surface hardness do the valve components achieve?
Through advanced heat treatment and carburization (depth >1.8mm), our working surfaces reach a hardness of HRC 60 or higher.
Do you support OEM or custom manufacturing?
Yes, we accept OEM and ODM requests and can manufacture components according to your specific technical drawings.
What are your standard packing terms for international shipping?
Goods are generally packed in secure wooden bags or boxes to ensure safety during sea shipment and long-distance transport.

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