1. Basic Information
Part Name: Mud Pump Piston Assembly, φ140 OD
Drawing No.: NB1602.01.06.00
Applicable Equipment: 3NB1602 / 3NB1600 Triplex Drilling Mud Pump, fluid end consumable spare part
Model Code Breakdown:
NB1602: General drawing prefix for 3NB1600 mud pump
01: Fluid End Assembly segment
06: Piston subassembly code
00: Drawing number of complete piston assembly
2. Matching Fluid End Components
NB1602.01.06.00: φ140 Piston Assembly
NB1602.01.01.001: φ140 Cylinder Liner
NB1602.01.017: Piston Rod
NB1602.01.21.001: Stuffing Box Gland Assembly
3. Function & Working Conditions
Function: Mounted on piston rod, reciprocates inside cylinder liner to deliver high-pressure drilling mud; rubber cup provides radial sealing to separate high/low pressure mud, core consumable part of mud pump
Application Industry: Onshore & Offshore Oil Drilling, Shale Oil & Gas, CBM, Geological Exploration Rigs
Compliance Standard: API 7K Specification for Oilfield Mud Pump Spares
Working Medium: Sand-laden highly abrasive drilling mud, continuous high-pressure & reciprocating friction service
4. Material, Dimension & Weight
Structure: Complete assembly including piston hub, wear-resistant cup, retaining ring & press plate
Material:
Piston hub: Forged 42CrMo alloy steel, quenched & tempered
Sealing cup: Polyurethane PU (standard); NBR nitrile rubber (low-temperature optional)
Nominal Outer Diameter: φ140 mm
Net Weight (bare full set): 5.5 kgs per set
Gross Weight with single package: 6.2 kgs per set
Feature: Integral vulcanized structure, anti-sand tearing, resistant to delamination under high pressure
Piston ф140 NB1602.01.06.00
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Located in:Xi'an City China
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