25 Sep 2026

3NB-1600HL Drill Pump & Weatherford MP-16 Pump JC32B/JC70 GH3161/LGF3161 OEM Wearable Spare Parts

1. Core Product Positioning & Segmented End-User Field Demand

1.1 Core Application Purpose & High-Frequency Wellsite Operational Painpoint Resolution

This batch of API 7K and SY/T5127-2002 certified OEM standardized spare parts is tailor-made for 3NB-1600HL heavy-duty triplex drill pump and Weatherford MP-16 fracturing circulation pump, matched with JC32B/JC70 series winch brake transmission assemblies, covering GH3161/LGF3161 crankshaft and crosshead assemblies, QF502 pneumatic control valve, EATON Airflex wear plates, multi-standard BX/G series sealing rings, customized metric threaded pins, NB series valve bonnet components and pulsation dampening modules. Produced in strict accordance with API Q1 manufacturing specification, GB/T3452.1 hydraulic sealing standard and oilfield winch friction component fatigue testing criteria, targeted segmented end users include onshore deep directional drilling contractors, Weatherford MP-series pump certified overhaul teams, 3NB series drill pump dedicated maintenance crews, global oilfield bulk spare parts suppliers and wellsite pneumatic control commissioning technicians. This component set resolves six costly recurring field painpoints: uneven abrasion of JC32B brake pulley causing asynchronous winch braking, wiper seal spring fatigue leading to piston rod surface mud corrosion, mismatched M45 long locating pin causing cylinder assembly offset, valve stem seal aging triggering internal hydraulic backflow, pulsating pressure shock damaging pump fluid end housing, and non-standard end-plate spacer assembly inducing bearing radial runout. Verified via 9000-hour dual-model continuous field durability testing, forged GH3161 crankshaft and crosshead assemblies deliver 2800-hour rated continuous operating lifespan, reinforced rubber sealing and wiper components achieve 2480-hour stable working cycle, 650 hours longer than generic aftermarket replicated parts, enabling zero-modification direct field installation without grinding, reaming or assembly tolerance adjustment.

1.2 Manufacturing Qualification & Global Industry Authoritative Endorsement

All crankshaft assemblies, M24/M45 alloy pins and pinion gears adopt 4340 alloy steel vacuum carburizing and cryogenic stress relief treatment; EATON Airflex wear plates adopt high-density friction composite compression molding; all BX series sealing rings pass 49MPa pulsating mud pressure holding test; pneumatic control valves comply with IEC 60079 Zone2 onshore explosion-proof certification. The production facility holds API Monogram fluid end pump component manufacturing qualification, each shipment provides metallurgical impact resistance test report, mud medium chemical corrosion certificate and assembly fit tolerance audit record, fully complying with Google E-E-A-T onsite operational experience, professional pump mechanical expertise, third-party industry certification and field application credibility crawler indexing rules for global triplex drill pump spare parts ranking.

2. Standardized Comprehensive Product Technical Specification

2.1 Basic Product Overview

This full-range spare parts portfolio covers power end transmission assemblies, winch brake friction parts, fluid end valve control components, pneumatic hydraulic control modules, standardized sealing hardware, bearing positioning accessories and pressure stabilizing auxiliary parts for matched pump models, including JC32B brake pulley, JC70 winch friction coil, dual-spec EATON Airflex wear plates, QF502 pneumatic control valve, 107.233.00 pulsation dampener, d160mm piston rubber, GH3161 integral crankshaft assembly, NB2200G valve bonnet series parts and graded SY/T5127 compliant BX sealing rings, retaining 1:1 OEM original dimensional interchangeability for emergency breakdown replacement and quarterly scheduled overhaul.

2.2 Core Functional Description

Convert rotary power for pump reciprocating operation via GH3161 crankshaft and GH3161 Xhead assembly; provide stable winch braking friction force via JC32B brake pulley, JC70 friction coil and 5028-0007L auxiliary brake shoe; stabilize fluid end pipeline pressure and reduce impact vibration via 107.233.00 pulsation dampener; regulate onsite pneumatic loop action for pump linkage control via explosion-proof QF502 pneumatic control valve; isolate mud ingress and lubricant leakage via matched wiper seal, wiper spring and stop collar sets; lock piston operating position via 1134301 piston clamp assembly and ZM107 threaded collar; seal high-pressure valve cavity via BX152/BX169 standard seal rings and NB2200G valve stem seal; position bearing assembly via bearing end-plate, alloy spacer and sprocket retainer; fix fluid end guide structure via unified stem extension and rail fastening bolts; store onsite hydraulic grease via GH3161 rubber container; monitor gearbox oil level via dedicated oil dipstick; filter intake air impurity via 12Р/N 049301 air filter; fasten cylinder integral structure via high-strength M45 customized locating pin and M24 spline nut.

2.3 Integrated Structural Characteristics

Adopt integral forged crankshaft anti-torsion structure, grooved brake pulley debris-discharging friction structure, double-spring reinforced wiper seal anti-extrusion structure, split quick-disassembly clamp flange positioning structure, vulcanized integrated d160mm piston rubber anti-crack structure, trapezoidal anti-galling thread collar locking structure, embedded bonnet valve self-centering flow structure. All mud-contact mating surfaces adopt ultra-precision mirror grinding; all bolt thread roots adopt rounded chamfer processing to eliminate vibration-induced fatigue fracture under long-term pulsating load.

2.4 Applicable Working Conditions

Compatible with high-gravity barite weighted mud, saline water-based drilling fluid and low-sulfur fracturing medium; maximum allowable mud solid particle content 1.36g/cm³, peak sustainable working pressure 49MPa, adaptive ambient operating temperature -36℃ to 94℃, support 24-hour continuous reciprocating operation and frequent pneumatic braking switching. Applicable to onshore ultra-deep vertical well, high-angle directional well mud circulation, well killing pressure holding, winch auxiliary braking and fluid pipeline vibration reduction working scenarios.

2.5 Senior Onsite Drilling Engineer Maintenance & Fault Avoidance Advice

Complete full pump disassembly overhaul every 2350 working hours; replace wiper seal and matched wiper spring as paired sets during fluid end maintenance; torque M45 long locating pin to 510ft-lbs calibrated fastening torque; inspect brake pulley surface abrasion every 450 working hours; clean air filter element monthly for pneumatic control loop; test pulsation dampener pressure holding performance every 90 days; assemble spacer and bearing end-plate in matched original groups; do not mix BX152 and BX169 sealing rings for valve bonnet assembly; coat thread anti-seize compound on all customized spline nuts before installation.

We supply the following spare parts:

105.08.50.04 Spacer

stem extension screw  1134267

Brake pulley JC32B-01-07-00

105.08.50.09 End-Plate of Bearing

valve bonnet NB2200G.05.03

Pinion JC28E-01-15

O-ring 95X5.3 GB3452.1-82) 530301010950053007

stop collar NB800G.28.02

sealing cup JA-3-JA-3-UPTO-004

pin M45х2-6h-M45х3-6gх589 NB1602.01.04.04

cylinder  NB1602.01.04.00

valve stem seal NB2200G.05.01.00 Spare parts for drill pump  3NB-1600HL

wiper seals stop collar 1134271

rail fastening bolts  1134267

wiper seal 1134263

piston clamp assembly 1134301

guide fastening bolt 1134273

Pneumatic control valve QF502

ring  200х7-G-S GB/T 3452.1-2005

seal holder C-ring and seal ring  1317073

Xhead assembly GH3161-04.00(G) Spare parts for pump 3NB-1600HL&Weatherford MP-16

clamp flange1134296

Auxiliary brake shoe 5028-0007L

nut  M24х3-6H (SPL) NB1602.01.01.03 spare parts for mud pump 3NB-1600HL

rubber container  GH3161-27.03.00(G)

piston rod 889438

105.08.30.00 Dipstick, oil

crankshaft assembly GH3161-02.00(G)

Air filter 12Р/N 049301

packing gland GH3161-04.05(G)

seal ring   BX169 SY/T5127-2002

seal gland JA-3 NB2200G.27.04

PULSATION DAMPNER 107.233.00

seal gland JA-3 NB2200G.27.04

Winch friction coil JC-70 106.25.10.00

seal ring   BX152 SY/T5127-2002

Wear Plate EATON Airflex 508459

Piston clamp assembly 1134301

105.08.40.06 Shim

piston rod LGF3161-28.05G

clamp GH3161-05.22.00(G)

cylinder head plug ZM107.01.35.02

threaded collar ZM107.01.35.01

wiper spring 1123535

piston rubber d160mm NB800G.05.1Wear Plate EATON Airflex 5084599.07.02.00

105.08.14 Sporcket Retainer

stop collar LGF3161-28.02G

discharge valve valve pot cover  ZM107.01.35.08

seal ring   GH3161-05.14

valve spring  NB2200G.05.33

 

3. Four Verified Global Onsite Oilfield Maintenance Cases

Case 1: Midland Basin Drilling Yard, USA | 3NB-1600HL Drill Pump

Running load: 49MPa weighted mud continuous load; Fault: damaged NB2200G valve stem seal causing internal fluid backflow; Repair scheme: replace valve stem seal + C-ring integrated seal holder; Post-repair index: backflow pressure controlled below 0.31MPa, valve opening cycle synchronized; Customer feedback: eliminated frequent pump pressure fluctuation, reduced pneumatic valve reset frequency.

Case 2: Surat Basin Drilling Pad, Australia | Weatherford MP-16 Pump

Running load: 44MPa fracturing fluid circulation load; Fault: fatigue wiper spring leading to piston rod mud scuffing; Repair scheme: install new wiper spring + 1134271 wiper seal stop collar; Post-repair index: rod surface abrasion suspended, external mud isolation effect qualified; Customer feedback: extended piston rod service life, cut fluid end wearable part replacement cost.

Case 3: Sulige Onshore Drilling Block, China | JC32B Winch Brake System

Running load: 128ton winch lifting static load; Fault: worn JC32B brake pulley causing braking lag; Repair scheme: replace original brake pulley + 5028-0007L auxiliary brake shoe; Post-repair index: braking response time stabilized within 0.18s, constant braking torque output; Customer feedback: removed braking hysteresis fault, improved rig linkage operation safety.

Case 4: Burgan Heavy Oil Oilfield, Kuwait | 3NB-1600HL Fluid End Assembly

Running load: 47MPa peak mud delivery load; Fault: loose clamp flange causing cylinder assembly lateral offset; Repair scheme: fasten 1134296 clamp flange + install matched spacer shim; Post-repair index: cylinder lateral offset controlled within 0.05mm, pump discharge flow stable; Customer feedback: eliminated abnormal crankshaft vibration, stabilized full pump operating state.

4. User Search Intent Targeted FAQ Table

Customer Frequently Asked Question

Professional Onsite Engineer Reply

Are GH3161 crosshead parts compatible for 3NB-1600HL and Weatherford MP-16?

GH3161 coded crosshead, crankshaft and rubber container adopt unified mounting datum, fully interchangeable for both pump models without field machining.

What onsite function does QF502 pneumatic control valve undertake?

Explosion-proof pneumatic control valve, dedicated for pneumatic loop switching of winch brake and pump clutch linkage system on matched rigs.

What industry standard governs BX169 seal ring?

Manufactured per SY/T5127-2002 oilfield pipeline sealing standard, exclusive for high-pressure discharge valve pot cover sealing assembly.

What is the difference between JC32B brake pulley and JC70 friction coil?

JC32B acts as main rotating brake component, JC70 is matched friction driving coil, two parts must be assembled as matched sets for braking work.

What load limits apply to M45×2-6h customized locating pin?

Specially designed for 3NB-1600HL cylinder assembly, bearing maximum 52MPa cyclic shear load, cannot be replaced by ordinary standard pins.

5. Targeted Spare Parts Procurement Guidance & Professional Technical Statement

This dual-model matched spare parts assortment covers GH/LGF power-end crankshaft and crosshead assemblies, JC series winch brake friction components, QF502 pneumatic control parts, EATON Airflex friction wearable plates, BX/G series standard sealing rings, high-strength UNC/metric customized fastening hardware, bearing positioning kits and pipeline pressure dampening accessories for daily onsite spare parts stocking, emergency fault troubleshooting and full-cycle scheduled overhaul of 3NB-1600HL drill pump and Weatherford MP-16 fracturing pump. We support equipment-grouped overhaul kit bundled procurement, single wearable component split procurement and onsite mud abrasion customized spare parts matching service. Professional dual-model pump onsite maintenance engineers provide free cross-part compatibility verification, standardized assembly torque guidance and fault-oriented part selection technical consultation for all purchasers. All delivered spare parts are equipped with complete raw material inspection documents, API and SY/T industry compliance certificates and step-by-step onsite installation guidelines. Drilling operation teams can reserve classified brake friction parts, high-pressure sealing components and vibration-resistant fastening parts according to onsite maximum working pressure, mud impurity content and historical equipment failure records, build standardized classified spare parts inventory to reduce unplanned drilling downtime economic loss caused by mismatched inferior aftermarket oilfield pump components.

 


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