Datasheet summary
Serie 8\" 3Ss 31
Engineering summary from PDF text extraction for Serie 8\" 3Ss 31. Verify every value with the OEM datasheet.
Summary
Product identification
- Knappe Pressure Vessels
- Series 3s Brackishwater Pressure Vessels, 8-inch diameter
- HP-Port sizes: 1.5 in, 2.0 in, 2.5 in
- Vessels for 60-inch elements are available.
Operating limits
- Max. Working Pressure: 31 bar (450 PSI)
- Max. Working Temperature: 65 °C (150 °F)
- Min. Working Temperature: 2 °C (36 °F)
- Max. Test Pressure (acc. ASME X): 40.3 bar (585 PSI)
Mechanical / Hydraulic
- Vessel Dimensions (Series 8 inch SIDEPORT, Series3):
- Dimensions are in mm, values in brackets
[ ]are in inches. - General tolerance for element length: 1-4 elements +/-1.5 mm, 5-7 elements +/-2 mm.
- Dimensions are in mm, values in brackets
| ELEM. | Vessel Type | L-Stich (mm/inch) | L-HP (mm/inch) | Tol -/+ (mm/inch) |
|---|---|---|---|---|
| 1X40 | SP8Z1M40-S s-31/ | 1381 (54.37) | 1143 (45) | 3/5 (0.12/0.2) |
| 2X40 | SP8Z2M40-S s-31/ | 2397 (94.37) | 2159 (85) | 3/5 (0.12/0.2) |
| 3X40 | SP8Z3M40-S s-31/ | 3413 (134.37) | 3175 (125) | 3/5 (0.12/0.2) |
| 4X40 | SP8Z4M40-S s-31/ | 4429 (174.37) | 4191 (165) | 3/5 (0.12/0.2) |
| 5X40 | SP8Z5M40-S s-31/ | 5445 (214.37) | 5207 (205) | 3/6 (0.12/0.24) |
| 6X40 | SP8Z6M40-S s-31/ | 6461 (254.37) | 6223 (245) | 3/6 (0.12/0.24) |
| 7X40 | SP8Z7M40-S s-31/ | 7477 (294.37) | 7239 (285) | 3/6 (0.12/0.24) |
- Nozzle Orientation: Sideport
- Sideport Sizes and Model Notation:
- 1.5 in:
SP8ZxM40-S1s-31- - 2.0 in:
SP8ZxM40-S2s-31- - 2.5 in:
SP8ZxM40-S5s-31-
- 1.5 in:
- Recommended Saddles and Straps:
- For 1 to 4 elements: 2 saddles and 2 straps
- For 5 to 7 elements: 3 saddles and 2 straps
- Material Components:
- Shell: FRP
- Liner: PVC
- Groovering: Alu/PAGF
- Frontplate (Part # 78FPPL): PA/GF
- Backplate (Part # 78BPL): PPE
- Retaining Ring Endplate (Part # 68SEC-s): PAGF
- Locking Ring (Part # 78SECLOCK): PA
- Screws for Locking Ring (Part # 25SCR8/25): 316TI
- Lip Ring (Part # 58LIP): EPDM
- HP-PORT (Part # 78HP): S3 PPE/316L
- NUT for HP-Port (Part # 78NUT): PA
- Permeate Port Body (Part # 78PP/BSP): PPE
- Screw 1.5inch (Part # 58NUT15Z): PVC
- PP Adapter Screw (Part # 58PP/S15): PVC
- PP Adapter (Part # 78UN/Exx)
- Element Adapter open (Part # 78ADxx): PPE
- Element Adapter closed (Part # 78ADxx/C): PPE
- Chiming package (Part # 18PP/CH-S3): PPE/Elasto
- Element Spacer (Part # 78SPACER): PPE
- Saddle (Part # 58SADDLE): PA
- STRAP (Part # 58STRAP): 304/316TI
- Other listed dimensions from diagrams (mm [inch]):
- 164 [6.5]
- 122.5 [4.8]
- 218 [8.6]
- 56 [2.2]
- L_STICH: 400..1600 mm
- L_Sattel: 1.5 / 2 / 2.5 in
- HP dimensions: 56 [2.2], 119 [4.7]
- Minimum dimensions: 251 [9.9], 225.5 [8.9]
- Gap: 5-8 mm
- Dimension: 20.8 [.8]
Disclaimer: This summary is based on the provided text extract. It may not include all figures, footnotes, or the latest revisions from the original OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used for the project. Dimensions may be subject to change. Drawing not to be used for construction unless certified.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.