Click image to enlarge
| Item | Description |
|---|---|
| 1 | Seal face |
| 2 | Spring |
| 3 | Seat |
| 4 | Shaft sleeve |
| 5 | Cover |
| 6 | Multipoint injection (Optional) |
SHV
Features
- High-pressure single/double seal
- Compact cartridge design
- Balanced
- Stationary spring-loaded unit
- Shrink-fitted seal face
- Rugged mating ring with bandage
- Integrated pumping device for optimal heat dissipation (optional)
Advantages
- Deformation-optimized seal for high pressures and high sliding velocities
- Quick and easy installation
- Economical due to standardized inner components
- Connection parts can be adapted to the pump seal chamber
- Insensitive to high sliding velocities and shaft deflections due to stationary design
- Variant with loose-fitted seal face available for extreme applications
Operating range
Shaft diameter:
d1 = 20 ... 200 mm (0.7874" ...7.8740")
Shorter delivery times for preferred sizes (65 … 140mm / 2.5590“ … 5.5118“).
Other sizes on request.
Temperature:
T = -40 °C … +380 °C (-40 °F … +716 °F)
With customized cooling devices for high-temperature applications (from 160°C / 320°F)
Sliding velocity: vg = 50 m/s (164 ft/s)
Axial movement: ±3.0 mm (0.1181“)
Dynamic pressure*: p1 = 100 bar (1,450 PSI)
Static pressure: p1 = 240 bar (3,480 PSI)
* Up to 120bar (1,740 PSI) available upon request
Materials
Seal face: Carbon graphite antimony impregnated (A), Electrographite antimony free (B),
Seats: Silicon carbide (Q2)
Secondary seals: FKM (V), FFKM (K), EPDM (E)
Spring: Hastelloy® C-4 (M)
Metal parts: CrNiMo-Stahl (G), Duplex (G1), Super Duplex (G4)
Other materials on request.
Standards and approvals
- Following the API 682 / ISO 21049
- SHV-D: Compliant to TA-Luft (German Clean Air Act)
Recommended applications
- Oil and Gas industry
- Petrochemical industry
- Chemical industry
- Power Generation
- Pulp and Paper industry
- Water and Wastewater
- Alternative fuels production
- CCUS
- Power plant technology
- Refining technology
- Desalination
- Nuclear safety pumps
- Injection pumps
- Multiphase pumps
- Hydrogen
- Hot water applications
- Sour water
- Caustic soda
- Amines
- Crystallizing media
- Process water
Product variants
SHV-S
Single seal in cartridge design.
Suitable for use in compliance with API 682 (4th Edition), Type ES.
Recommended piping plans
API-Plan (4th Edition):
11 | 13 | 23 | 31 | 32 | 41 | 61 | 62 | 65A | 65B
Piping plan 61 … 65B: Throttle bushing on request
SHV-D
Dual seal in face-to-face arrangement.
The innovative dual seal design of the mating rings guarantees safe operation.
Seal does not open even in the event of barrier fluid pressure failure.
Item Description
1.1.1, 2.1.1 Seal face
1.2, 2.2 Seat
1.1.3, 2.1.3 Spring
1.3, 2.3 Pin
3 Shaft sleeve
4 Pumping screw
5, 6, 7 Housing
8 Set ring
Recommended piping plans
API-Plan (4th Edition):
01 | 02 | 03 | 11 | 12 | 13 | 14 | 21 | 22 | 31 | 32 | 41 | 53A | 53B | 53C | 54 | 61 | 62 | 65A | 65B
Piping plan 11 … 41: Integration in seal to be dimensionally checked
Piping plan 61 … 65B: Throttle bushing on request
