Sealmatic SBPV/SBFV Mechanical Seal
API 682 Heavy Duty
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Genuine Sealmatic Certified Component
Sealmatic Mechanical SealsModel: SBPV / SBFV API 682 / ISO 21049

SBPV/SBFV

Engineered heavy-duty stationary cartridge mechanical seal with integrated pumping device. Designed for severe duty, high-pressure, and high-velocity applications in oil refineries, multi-phase injection pumps, and sour water systems.

Max Pressure150 bar (2,175 PSI)
Max Temp300 °C (572 °F)
Sliding Speed60 m/s (197 ft/s)
Shaft SizeUp to 250 mm

Product Description

Single seal configuration
Balanced design
Independent of direction of rotation
Cartridge construction
Stationary design with multiple springs
Designed with integrated pumping device for increased efficiency in circulation
Robust construction with shrink-fitted seal face
Heavy duty design of solid stationary seat

Technical Features

1

Accommodates shaft deflections due to stationary design

2

Can be designed for individual pump application with corresponding connection parts to be adopted to the pump seal chamber

3

Optimum heat dissipation due to integrated pumping device available for increased efficiency in circulation and optimized seat design

4

Cartridge unit factory assembled for easy installation, which reduces downtime

5

Trouble-free long-term operation due to heavy duty single seat design with bandage

6

Can operate under high sliding velocities and high pressures

Details

Component Index & Parts Breakdown
Item No.Description
1.1.1Seal face pressure-stabilized
1.1.3Spring
1.1.4Back-up ring
1.2Seat
2Seat housing with pumping screw (F) or pumping ring (P)
6Cover
9Assembly fixture

Performance Capabilities

Shaft Sizes*Other sizes on request

d1* = Upto 250 mm (Upto 10.000’’)

Operating Pressure

p1 = 150 bar (2,175 PSI)

Operating Temperature

t = 300 °C (572 °F)

Sliding Speed

Speed = 60 m/s (197 ft/s)

Permissible Axial Movement

± 3 mm

Heavy-Duty Rating: Engineered to handle extreme operating parameters up to 150 bar (2,175 PSI) and 60 m/s (197 ft/s).

Materials

Seal face:SiC-C-Si silicon impregnated carbon (Q3), Carbon graphite antimony impregnated (A)
Seat:Silicon carbide (Q)
Secondary seals:FKM (V), EPDM (E), FFKM (K)
Springs:Hastelloy® C-4 (M)
Metal parts:CrNiMo steel (G), Duplex (G1), Super Duplex (G4), Titanium (T2), Hastelloy® C-4 (M)
Corrosion & wear resistant metallurgy: Hastelloy® C-4, Duplex, Super Duplex, Titanium, and SiC-C-Si options.

Standards & Approvals

International compliance standards

API 682 / ISO 21049

Fully designed and tested in compliance with American Petroleum Institute (API 682) 4th Edition and ISO 21049 guidelines for pumps in petroleum, petrochemical, and natural gas industries.

Typical Industrial Applications

Recommended media, equipment, and plant sectors
Amines
Caustic soda
Chemical industry
Crude oil
Crystallizing media
Crude oil feed pumps
Hot water
Injection pumps
Multi-phase pumps
Oil and gas industry
Process water
Refining technology
Sour water