RXHH-RXHH-BB
Product Description
- API 682 Category 2 and 3, Type C,Arrangement 2&3
- Dual seal Back to back configuration
- Balanced design
- Independent of direction of rotation
- For Plain Shaft
- Cartridge construction
- Rotary Metal bellows design
- Shrink fitted seal ring and solid stationary ring
| Item No. | Description |
|---|---|
|
1,8 |
Rotary Head |
|
2,10 |
Mr (Ib & Ob) |
|
3,11 |
Mr gasket |
|
4,17 |
Retaining ring |
|
5,18 |
Circlip |
|
6,13 |
Gland (Ib & Ob) |
|
7,14,20 |
Gasket |
|
9 |
Pumping |
|
12 |
Inner ring |
|
15 |
Flotting bush |
|
16 |
Springs |
|
17 |
Retaining ring |
|
19 |
Sleeve |
|
21 |
Hex Bolts |
|
23 |
Soc Set Screw |
|
24 |
Sliding Washer |
|
25 |
Soc Head Screw |
Technical Feature
- Suitable for high and low temperature application
- Compact design
- No dynamically loaded O‐ring which reduces chances of seal face hang‐up
- Pumping screw for media with higher viscosity also available
- Short installation length possible
- Rugged design for long operating life
- Bellows design efficiently ensure self‐cleaning
- Bellows design minimizes variation in face load due to shaft expansion or face wear
- Resistant to abrasive particles in the medium, no shaft or sleeve fretting
Industrial Application
- API 610/ISO 13709 pumps
- Chemical & Petrochemical industry
- Cold media
- Highly viscous media
- Hot media
- Power plant technology
- Refining technology
- Oil and gas industry
- Power plant technology
- LPG plants
- Process pumps
Operating Limits
- Shaft diameter : d1 = 20...110 mm
- Pressure =25Bar
- Temperature = -75°C to.. 400°C
- Sliding velocity :vg= 23m/s
Material of Construction
Seal rings: Blister resistant carbon
Mating rings: Silicon carbide SSiC, RBSiC
Bellows: Hastelloy® C‐276
Option: Inconel® 718
Secondary seals: Graphite
Metal parts: CrNiMo steel 316 Carpenter® 42 (T4)
Recommended Piping Plans -3CW-BB
- Process side: 01, 02, 03, 11, 12, 13, 14, 21, 22, 31, 32, 41
- Between seals: 53A, 53B, 53C, 54
- Atmospheric side*: 61, 62, 65A, 65B * Throttle bushing on request