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CM4B

Single spring pusher seals

Performance capabilities:

● Pressure: MPa 0~3.0
● Temperature:-40~260 ℃
● Speed:≤25m/s

Descriptions:

√ Single springs with excellent capabilities of anti-clogging and anti-corrosion, designed for a small amount of particles containing or easy to crystallize media
√ Compensating for large axial movement
√ The structure of mating rings benefiting for good installation of seal faces without sloping
√ Torque transmitted by shifting forks with strong transmission capacities and independent of rotation direction

Features:

√ Single springs, rotary
√ Shifting forks drive
√ Standard floating bushing

Recommended applications:

√ Sewage pumps
√ Alkalipumps
√ Refining & petrochemical
√ Coal chemical
√ Chemical
√ General industry

Piping plans:

√ Process side: API682 PLAN 11، 21، 32
√ Atmospheric side: API682 PLAN 61,62

Materials and configurations:

Categories

Components

Standard Materials

Optional Configurations

Depending on specific working conditions or applications

Seal rings

Primary ring

SiC

WC

Mating ring

Carbon graphite

SiC/WC

Flexible elements

Spring

316L

Hast.C

Metal parts

Sleeve ,gland

316L

2205/17-4PH

Secondary seal

O-ring

FKM

FFKM

NBR

HNBR

FVMQ

EPDM

Categories Components Standard Materials Optional Configurations ( Depending on specific working conditions or applications)
Seal rings Primary ring SiC WC
Mating ring Carbon graphite SiC/WC
Flexible elements Spring 316L Hast.C
Metal parts Sleeve,gland 316L 2205/17-4PH
Secondary seal O-ring FKM

FFKM

NBR

HNBR

FVMQ

EPDM