What is your complete payment process for orders?

T/T telegraphic transfer is our primary payment method with fixed procedures: 1. You pay 30% deposit upfront, and we will start formal production after receiving the deposit. 2. Before shipment, we will send you real photos and detailed videos of finished products, plus packaging condition for your confirmation. 3. After you confirm the goods and packaging, you settle the 70% balance payment. We arrange shipment immediately once we receive the full balance.

Heavy-Duty Mud Pump Piston Cup Featuring NBR Rubber Cuff Piston

Name: Heavy-Duty Mud Pump Piston Cup Featuring NBR Rubber Cuff Piston
Brand: Shandong Fengzhiye Petroleum Machinery Co., Ltd.
SKU: 2315358505

Shandong, ChinaShandong Fengzhiye Petroleum Machinery Co., Ltd.

US$3.50-40.00

100 Pieces

Product specifications

Russian slurry pump

Gemstone pump

Lan Shi Pump

Product profile

Customization

Available

Warranty

1year

Certification

CE, ISO 9001:2000, ISO 9001:2008, API

Model NO.

3NB-1600, UNBT, 8T650, F500/1000/1300/16001600HL

Power Source

Hydraulic

Operation Pressure

5000 MPa -7500 MPa

Material

20 Crmnti

Type

25 Crmo

Rubber Material

NBR/PU/Mdi/HNBR

Service Life

≥400 Hours

Working Surface Hardness

HRC58

Product Name

Mud Pump API 6# 7# Valve Assembly

Valve Body & Seat Material

20crmnti Alloy Steel

Surface Treatment

Precision Grinding, Polishing

Valve Structure Type

Full Open / 3-Web / 4-Web / Stem Guided

Applicable Mud Pump Series

F500/F800/F1000/F1300/F1600/F1600hl

Transport Package

Plywood Wooden Box Packing

Specification

890*730*990mm

Trademark

FENGYE

Origin

China

Key features

High Wear Resistance: Working surface hardness up to HRC58 with advanced heat treatment for extreme durability.

Wide Compatibility: Fits Chinese F/3NB series and mainstream Russian pumps like UNBT-600 and 8T-310.

Customizable Materials: Rubber material customizable to NBR, PU, Mdi, or HNBR based on specific application needs.

Long Service Life: Seals made of polyurethane or special rubber with a service life of at least 400 hours.

Professional Certification: Certified with CE, ISO 9001, API, and EAC for seamless international customs clearance.

Flexible Customization: Supports OEM private labeling, neutral packaging, and custom sizing modifications.

Robust Construction: Valve body and seat forged from high-grade 20 Crmnti alloy steel for high strength and toughness.

Comprehensive Support: Provides online video guidance, English manuals, and reverse engineering for discontinued models.

Company profile

Shandong Fengzhiye Petroleum Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h

About Our Factory & Business Background

AddressN/a, Liaocheng, Shandong, China

Plant Area5235 square meters

Number of Employees19

Registered Capital38,000,000 RMB

Terms of PaymentT/T

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity50

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsValve Assembly, Valve Seat, Piston Assembly, Mud Pump Piston Rod, Mud Pump Liner Flange, Mud Pump Valve Rubber, Mud Pump Oil Seal, Mud Pump Spray Pump, Mud Pump Seal Ring, Mud Pump Bimetallic Liners

Production Lines3

Production MachinesCNC machining center, CNC lathe

QA/QC inspectors4 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers4 people

Traceability of Raw MaterialsYes

Test Reports for Raw MaterialsOthers

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2006-11-17

Main MarketsEurope

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001, ISO50001

Product CertificationOthers

Cooperated with Fortune 500No

Product Q&A

Q:Which mud pump models do your spare parts fit?

Our parts fit Chinese F/3NB series and mainstream Russian mud pumps: UNBT-600, UNBT-950, UNBT-1180L, UNB-600, 8T-310, 8T-650, UBT-400, BT-600, UB-590. We can match parts accurately by OEM part numbers or technical drawings.

Q:What is the minimum order quantity?

Small consumables like pistons and valve assemblies accept sample orders starting from 1 piece. There is no MOQ restriction for large structural spare parts.

Q:Do you support neutral packaging and OEM private labeling?

Yes, unbranded neutral wooden packaging and customized logo labeling are available for local distribution in Russia.

Q:What solutions are offered if received parts have size mismatch or quality defects?

Submit real photos and pump model information within 7 days after receiving goods. We provide free replacement, reshipment or partial refund once the issue is verified.

Q:Can you reproduce spare parts for discontinued old Russian pump models?

Yes. We can complete size measurement and reverse engineering with physical samples or dimension drawings, and conduct hydraulic fitting tests before delivery to ensure perfect compatibility.