- API 682 4th Edition
UFLWT800 Single Seal
- API 682 Category 2 and 3, Type C, Arrangement 1 seal
- Single seal configuration
- Balanced design
- Independent of direction of rotation
- Cartridge Construction
- For plain shafts
- Rotary metal bellows design
- Shrink fitted seal ring and solid stationary ring
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Details
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1.1.1
Seal ring with Bellows Unit
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1.1.2,1.3,3
Sealing ring
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1.1.3
Thrust ring
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1.1.4,12
HSH cap screw
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1.1.5,17,18
Set screw
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1.2
Mating ring
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2
Shaft sleeve
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4
Gland
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5,11
Gasket
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6
Multi-flow distributor
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7
Retaining ring
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8
Quench baffle
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9,20,22
Hexagon bolt
-
10
Cover
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13
Throttle bushing
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14
Spring
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15
Washer
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16
Set ring
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19
Pusher ring
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21
Setting plate
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F
Flush
-
Q
Quench
-
D
Drain

- Compact construction
- Balanced bellows design allows installation on plain sleeve
- Elimination of seal face hang up due to absence of dynamic O-Ring
- Face load variation is minimised due to bellows design on account of shaft expansion or face wear
- Resistance to abrasive particles in the medium, no shaft or sleeve fretting
- Narrow seal face width leads to low heat generation and power consumption
- Extended seal life
- API 610/ISO 13709 pumps
- Refining technology
- Oil and gas industry
- Petrochemical industry
- Chemical industry
- Power plant technology
- LPG plants
- Process pumps
- Seal ring: Blister resistant carbon, Silicon carbide SSiC (Q1), RBSiC (Q2)
- Mating ring: Silicon carbide SSiC (Q1), RBSiC (Q2)
- Bellows: Inconel® 718 (M6)
- Secondary seals: Graphite (G)
- Metal parts: CrNiMo steel 316 (G), Carpenter® 42 (T4)
- Shaft diameter:
d1 = 20 … 110 mm (0.79″ … 4.33″) - Pressure:
p = vacuum … 25 bar (…363 PSI) - Temperature:
t = –75 °C … +400 °C (–103 °F … +752 °F) - Sliding velocity:
vg … 23 m/s (…75ft/s)
- Process side:
01, 02, 03, 11, 12, 13, 14, 21, 22, 23, 31, 32, 41
Atmospheric side: 51, 61, 62, 65A, 65B, 66A, 66B
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