Impeller / Mud Pump for Degasser Systems

Product Specifications

Technical details and manufacturing context for Impeller / Mud Pump

Definition

The impeller/mud pump is a critical rotating part of a degasser system used in drilling operations. It functions as the primary pumping mechanism that circulates drilling mud through the degasser vessel. By creating centrifugal force, it moves the mud at high velocity, which helps release trapped gases (such as methane, hydrogen sulfide, or carbon dioxide) from the drilling fluid. This component ensures continuous mud flow and proper gas-liquid separation to maintain safe drilling conditions. The impeller is typically manufactured from high-chrome cast iron, stainless steel, or hardened steel alloys to withstand abrasive drilling fluids. Key parameters include a flow rate of 50–200 m³/h, head of 20–40 m, operating pressure of 1.0–1.6 MPa, and temperature range of -20 to 80 °C. Speed ranges from 1450 to 2950 rpm, with impeller diameters between 200 and 400 mm. Material specifications may reference ASTM A216 WCB, hardness of 55–62 HRC, surface roughness Ra 0.8–1.6 µm, balancing grade G6.3, and weight between 15 and 60 kg. These values are directory references and must be verified for the specific model and application. The impeller operates within a degasser chamber, where high-speed rotation creates centrifugal force that pumps mud from inlet to outlet. As mud passes through the impeller vanes, rapid movement and pressure changes cause dissolved gases to separate from the liquid phase. The centrifugal action also maintains proper mud circulation and prevents solids settling. For procurement, verify flow rate, head, pressure, temperature, speed, diameter, material, hardness, surface finish, balancing, and weight against the intended duty. Confirm compliance with ISO 9906, ASTM A216, ASTM E18, ISO 1302, and ISO 1940-1 as applicable. Regular inspection for wear, erosion, and imbalance is essential to prevent performance degradation and failure.

Working Principle

The impeller rotates at high speed within the degasser chamber, creating centrifugal force that pumps drilling mud from the inlet to the outlet. As mud passes through the impeller vanes, the rapid movement and pressure changes cause dissolved gases to separate from the liquid phase. The centrifugal action also helps maintain proper mud circulation and prevents settling of solids within the system.

Common Materials

High-chrome cast iron, Stainless steel, Hardened steel alloys

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	50–200 m³/h	Required for effective gas separationISO 9906
Head	20–40 m	Determines pressure capabilityISO 9906
Operating Temperature	-20–80 °C	Exceeding limits may degrade elastomers
Speed	1450–2950 rpm	Higher speed increases wear
Impeller Diameter	200–400 mm	Affects flow and head
Material	ASTM A216 WCB	For abrasive mudASTM A216
Hardness	55–62 HRC	Wear resistanceASTM E18
Surface Roughness	Ra 0.8–1.6 µm	Smoother reduces frictionISO 1302
Balancing Grade	G6.3	Prevents vibrationISO 1940-1
Weight	15–60 kg	Affects installation and handling

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Impeller Hub Part
Central mounting point that connects to the drive shaft

Material: Forged steel
Impeller Vanes/Blades Part
Curved surfaces that create centrifugal force to move fluid

Material: Hardened steel alloy
Wear Rings Part
Reduce internal recirculation and protect against erosion

Material: Abrasion-resistant alloy
Shaft Connection Part
Mechanical interface for coupling to the drive system

Material: High-strength steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impeller / Mud Pump.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Degasser

View system integration details

Manufacturers of Impeller / Mud Pump

Manufacturer profiles associated with Impeller / Mud Pump.

Sourcing Impeller / Mud Pump from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What is the primary function of the impeller in a degasser?

The impeller creates centrifugal force to pump drilling mud through the degasser, facilitating the release of trapped gases from the drilling fluid.

Which materials are commonly used for this impeller?

Common materials include high-chrome cast iron, stainless steel, and hardened steel alloys, selected for wear resistance in abrasive mud.

What parameters should be verified before selecting an impeller?

Verify flow rate, head, operating pressure, temperature, speed, impeller diameter, material, hardness, surface roughness, balancing grade, and weight against the specific application.

How can I ensure the impeller meets required standards?

Check that the impeller complies with applicable standards such as ISO 9906, ASTM A216, ASTM E18, ISO 1302, and ISO 1940-1, and confirm with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

Request manufacturing insight for Impeller / Mud Pump

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 10 bar (145 psi) operating pressure
flow rate:	50-500 m³/h (220-2200 gpm)
temperature:	0°C to 120°C (32°F to 248°F)
slurry concentration:	Up to 40% solids by weight

Impeller / Mud Pump

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards