APOG-FF Dual Cartridge Seal Category 2/3 Type A 3CW-FF

TECHNICAL FEATURES

•Allow for greater axial displacement and radial runout.

•Integrated bidirectional flow design, unique pump efficiency ring design, and significant circulation effect of buffer/isolation liquid.

•The sealing configuration is 3CW-FF,used for layout 3.

•Distributed flushing design,Balanced integrated ring design.

•The structure is simpler and more stable than APOG-FB, making it easier to maintain.

PRODUCT DESCRIPTION

•API 682 Category 2/3, Type A, Arrangement 2/3
•Dual seal configuration
•Balanced design
•Independent of direction of rotation
•Cartridge construction
•Robust construction with shrink-fitted seal face
•Heavy duty solid seat design

TYPICAL INDUSTRIAL APPLICATIONS

• Multiphase pumps API 610 pumps

• Oil and gas industry

• Refining technology

• Chemical industry

• Hot water

• Sour water

• Caustic soda

• Amines

• Crystallizing media

• Crude oil

• Process water

• Crude oil feed pumps

RECOMMENDED PIPING PLANS

Between seals	53A, 53B, 53C, 54
Atmospheric side	61, 62, 65A, 65B

PERFORMANCE CAPABILITIES 

Shaft diameter	20~110 mm (0.79" ~4.33")
Pressure	≤ 40 bar
Temperature	-40 ° C ~ +260 °C
Sliding velocity	≤ 30 m/s

NO.	Name	Material
1	Gland Insert	316SS/Hast.C/D2205/D2507/904L
2,23	Spring	Hast.C
3,8	Stationary Face	Carbon/SIC/TC
4,7	Rotary Face	Carbon/SIC/TC
5	Deflector	316SS
6	Sleeve	316SS/Hast.C/D2205/D2507/904L
9,15,18	Pin	316SS
10	Gland	316SS/Hast.C/D2205/D2507/904L
11	Clamp Ring	316SS
12	Drive Screw	A2-70
13,14,16	O-Ring	FKM/EPDM/Aflas/Kalrez
17,19,20	O-Ring	FKM/EPDM/Aflas/Kalrez
21	Pin	316SS
22	O-Ring	FKM/EPDM/Aflas/Kalrez
24	Setting Clips	304SS
25	Setting Screw	A2-70

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