SBPV/SBFV

Materials

Seal face: SiC-C-Si silicon impregnatedcarbon (Q3), Carbon graphite antimonyimpregnated (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)

Design Variations

Typical Industrial Applications

AminesCaustic sodaChemical industryCrude oilCrystallizing mediaCrude oil feed pumpsHot water

Standards

API 682 / ISO 21049

Performance Capabilities

Injection pumpsMulti-phase pumpsOil and gas industryProcess waterRefining technologySour water

SBFVSame design as SBPV but with pumping screw

9 6 2 1.1 .1 1 .2

1 .1 .4 1 .1 .3

Product Description1. Balanced2. Cartridge design3. Dependent of direction of rotation4. Integrated pumping device5. Multiple springs6. Single seal7. Stationary spring loaded unit8. Shrink-fitted seal face

Technical Features1. Deformation-optimized seal for highest pressure levels2. Economical due to standardized inner components3. High flexibility due to adaptation of the connection parts to the pump seal chamber4. Insensitive to shaft deflections due to stationary design5. Optimum heat dissipation due to integrated pumping device and optimized seat design6. Only small number of components7. Pre-assembled unit for quick and easy installation

Item Description

1.1 .1

1 .1 .3

1 .1 .4

1 .2

2

6

9

Seal face pressure-stabilized

Spring

Back-up ring

Seat

Seat housing with pumping

screw (F) or pumping ring (P)

Cover

Assembly fixture

Sizes: d1* = Upto 250 mm (Upto 10.000’’)Pressure: p1 = 150 bar (2,175 PSI)Temperature: t = 300 °C (572 °F)Speed = 60 m/s (197 ft/s)Permissible axial movement: ± 3 mm

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Mechanical Seals for Pumps · Engineered Seals