DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

40CY-50 sewage pump spare mechanical seals

Category
Marine Pump System And Accessories
Origin
China
40CY-50 sewage pump spare mechanical seals

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category Marine Pump System And Accessories
Model / SKU 40cy-50-sewage-pump-spare-mechanical-seals
Origin China

Technical Information

China 40CY-50 sewage pump spare mechanical seals:

Single face/non-equilibrium/arbitrary rotation/in accordance with DIN24960
H74N series are widely used with strong interchangeability. The sealing ring is not tightly embedded and easy to replace.The push ring is stuck by the transmission strap to prevent the spring from falling off.Static ring can be limited, the spring travel is limited, to avoid excessive wear of carbon ring.
Work scope:
Gauge: 14 ~ 200 mm
Pressure: ≤ 4.0mpa
Temperature: -50 ~ 220℃
Linear velocity: ≤20 m/s
Axial cross momentum:
D1 100 or less: + / - 0.5 mm
D1 > : 100 + / - 2.0 mm
Seal face: graphite, silicon carbide
Auxiliary seal: nitrile rubber, fluoro rubber, ethylene rubber, PTFE
Metal components: stainless steel