What material is used for the piston rubber?

The piston rubber is made from high-abrasion-resistant polyurethane to withstand extreme wear.

Why is it recommended to replace the entire assembly?

Replacing the entire assembly ensures all parts are new, compatible, and properly assembled, improving efficiency and reliability.

Complete Piston Kit for 3nb Series Mud Pumps, 350-1600 HP

Name: Complete Piston Kit for 3nb Series Mud Pumps, 350-1600 HP
Brand: Shandong Rongye Machinery Co., Ltd.
SKU: 2240154925

Shandong, ChinaShandong Rongye Machinery Co., Ltd.

US$41.00

5-9 Pieces

US$25.00

10+ Pieces

Product profile

After-sales Service

Yes

Warranty

One Year

Certification

CE, RoHS, ISO 9001:2000, ISO 9001:2008

Model NO.

Piston Assembly

Power Source

Electric

Operation Pressure

Other

Material

Stainless Steel

Type

Vacuum Degasser

Degassing Efficiency

Greater Than or Equal 95%

Color

Customizable

Product Type

Mud Pump Piston Assembly

Compatible Equipment

Drilling Mud Pumps

Included Components

Piston, Packing Cup, Pressure Plates, Nuts, Washer

Transport Package

Ship, Train

Specification

158.75 mm

Trademark

RONGYE/OEM

Origin

China

HS Code

8431431000

Production Capacity

200

Key features

Complete Assembly Replacement: Includes piston, packing cup, pressure plates, nuts, and washer for efficient maintenance.

Wide Model Compatibility: Fits 3NB series triplex mud pumps ranging from 350 to 1600 HP.

Customizable Color: Color options are available to meet specific customization requirements.

High Degassing Efficiency: Degassing efficiency is greater than or equal to 95%.

Durable Material Construction: Features hardened steel piston rod and high-abrasion-resistant polyurethane rubbers.

Comprehensive Certifications: Certified with CE, RoHS, ISO 9001:2000, and ISO 9001:2008 standards.

One Year Warranty: Covers mechanical defects and ensures product reliability for one year.

Enhanced Pump Performance: Minimizes downtime and protects liners and valves from unnecessary wear.

Company profile

Importers and ExportersLow MOQCustomization from DesignsManagement Certification

Shandong Rongye Machinery Co., Ltd.

Shandong, China

Business Type: Trading CompanyAverage Response Time: ≤1.31h

AI-Powered supplier vetting

SummaryShandong Rongye Machinery Co., Ltd. is identified as a limited-company trading company with three employees and no stated affiliation with a larger group. It offers customization from customer designs and accepts several international trade and payment terms, with a stated one-month average lead time in both peak and off-season. However, the available information indicates no overseas showroom, overseas agent or branch, overseas-service coverage, offline trade-show participation, ODM service, SDK, recent new-product launches, or OEM work for popular brands. The supplier holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reported regular fire drills. Service procedures exist for supplier assessment, corrective actions, and complaints, but no written records were provided. Financial-related entries identify reporting years but do not provide sufficient evidence to assess financial credibility. Customer-case evidence is limited, with no Fortune 500 cooperation and zero stated repeat buyers.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications. A TUV Rheinland audit is also listed with a validity period from September 3, 2025 to September 2, 2026, but the recorded audit evaluation result is 0 and the meaning of that value is not defined in the provided data.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions, customer complaints, supplier assessment, and service quotations, but no written records were provided for these procedures. It has no overseas showroom, overseas agent or branch, overseas-service coverage, or prior offline trade-show participation, limiting evidence of international after-sales support.

R&D capabilityThe supplier has one R&D engineer and can customize from customer designs, but reports no new products in the past year, no ODM service, and no available SDK. These stated limitations indicate weak demonstrated innovation capability.

Customization capabilityBoth relevant records state that the supplier provides customization from customer designs. This is explicit evidence of design-based customization, although it does not establish broader ODM or independent product-development capability.

Client casesThe supplier reports no cooperation with Fortune 500 companies and a repeat-buyer count of zero. No other named customer cases or reference projects are provided, so the available evidence does not demonstrate an established customer track record.