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Standard Cartridge Seals

VTX Dual Seals

Dual seal configuration
Balanced design
Independent of direction of rotation
Cartridge construction
Double pressure balanced
Designed with integrated pumping device for increased efficiency in circulation
Suitable for eccentric screw pumps

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VTX_Dual_Seals

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Details

Item no.

1
2,5,7,10,13,15
3
4,12
6
8
9
11
14
16
17
18
19

Description

Seal face
O-Ring
Spring
Seat
Shaft sleeve
Cover
Seal Face
Spring
Driver
Set screw
Retaining Ring
Assembly Fixture
HSH Cap Screw

1

Seal face
2,5,7,10,13,15

O-Ring
3

Spring
4,12

Seat
6

Shaft sleeve
8

Cover
9

Seal Face
11

Spring
14

Driver
16

Set screw
17

Retaining Ring
18

Assembly Fixture
19

HSH Cap Screw

Ideal for use in process pump standardization
O-ring is dynamically loaded to prevent shaft damage.
Dimensional modification of the stuffing box chamber is not required due to short radial installation height
Ideal to convert and retrofit pumps with packings and large volume OEM production
Cartridge unit factory assembled for easy installation, which reduces down- time
Rugged design for long operating life

Foodstuffs and animal feed industries
Sweet cider pressing and beverage production
Viticulture and wineries
Spirit production and alcohol industry
Breweries and malt houses
Sugar industry
Pharmaceuticals and cosmetics industry
Oil and gas industry
Pulp and paper production
Paint and lacquer industry
Chemicals industry
Automobile industry
Water and waste water industry

Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)

Sizes: Upto 140mm (Upto 5.500″)
Other sizes on request
Temperature : t= – 40 °C…+220 °C
(-40 °F…+428 °F)
(Check O-ring resistance)
Sliding face material combination BQ1 Pressure: p₁ = 25 bar (363 PSI)
Speed = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p₁ = 12 bar (175 PSI)
Speed = 10 m/s (33 ft/s)
Permissible axial movement: ± 1.0 mm,
d₁ ≥ 75 mm ± 1.5 mm

Ideal for use in process pump standardization
O-ring is dynamically loaded to prevent shaft damage.
Dimensional modification of the stuffing box chamber is not required due to short radial installation height
Ideal to convert and retrofit pumps with packings and large volume OEM production
Cartridge unit factory assembled for easy installation, which reduces down- time
Rugged design for long operating life

Foodstuffs and animal feed industries
Sweet cider pressing and beverage production
Viticulture and wineries
Spirit production and alcohol industry
Breweries and malt houses
Sugar industry
Pharmaceuticals and cosmetics industry
Oil and gas industry
Pulp and paper production
Paint and lacquer industry
Chemicals industry
Automobile industry
Water and waste water industry

Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K), Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)

Sizes: Upto 140mm (Upto 5.500″)
Other sizes on request
Temperature : t= – 40 °C…+220 °C
(-40 °F…+428 °F)
(Check O-ring resistance)
Sliding face material combination BQ1 Pressure: p₁ = 25 bar (363 PSI)
Speed = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p₁ = 12 bar (175 PSI)
Speed = 10 m/s (33 ft/s)
Permissible axial movement: ± 1.0 mm,
d₁ ≥ 75 mm ± 1.5 mm

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