Datasheet summary
Serie 8\" 3Ss 21
Engineering summary from PDF text extraction for Serie 8\" 3Ss 21. Verify every value with the OEM datasheet.
Summary
Product Identification
This document describes Knappe Composites Series 3Ss 8-inch Brackishwater Pressure Vessels.
- HP-Port Sizes: 1.5 in / 2 in / 2.5 in
- Model Naming Convention:
SP8ZxM40-Sfor vessel type, where 'x' denotes the number of elements.- Sideport Size 1.5in models:
SP8ZxM40-S1s-21- - Sideport Size 2.0in models:
SP8ZxM40-S2s-21- - Sideport Size 2.5in models:
SP8ZxM40-S5s-21-
- Vessels for 60-inch elements are available.
Operating Limits
- Max. Working Pressure: 21 bar / 300 PSI
- Max. Working Temperature: 65 °C / 150 °F
- Min. Working Temperature: 2 °C / 36 °F
- Max. Test Pressure acc. ASME X: 27.3 bar / 390 PSI
Mechanical and Hydraulic Data
General Dimensions:
- L_HP: 164 mm [6.5 in]
- L_STICH: 122 mm [4.8 in]
- LSattel: 1.5 in / 2 in / 2.5 in
- HP: 56 mm [2.2 in]
- Gap: 20.8 mm [0.8 in]
- Minimum clearance required: 225.5 mm [8.9 in]
- Allow minimum: 248 mm [9.8 in]
- Tolerances for 1-4 elements: +/-1.5 mm
- Tolerances for 5-7 elements: +/-2 mm
Dimensions for Series 8 inch SIDEPORT Vessels (Series3):
| ELEM. | Vessel Type | L-Stich [mm (in)] | L-HP [mm (in)] | Tol -/+ [mm (in)] |
|---|---|---|---|---|
| 1X40 | SP8Z1M40-S s-21/ | 1381 (54.37) | 1143 (45) | 3 (0.12) / 5 (0.2) |
| 2X40 | SP8Z2M40-S s-21/ | 2397 (94.37) | 2159 (85) | 3 (0.12) / 5 (0.2) |
| 3X40 | SP8Z3M40-S s-21/ | 3413 (134.37) | 3175 (125) | 3 (0.12) / 5 (0.2) |
| 4X40 | SP8Z4M40-S s-21/ | 4429 (174.37) | 4191 (165) | 3 (0.12) / 5 (0.2) |
| 5X40 | SP8Z5M40-S s-21/ | 5445 (214.37) | 5207 (205) | 3 (0.12) / 6 (0.24) |
| 6X40 | SP8Z6M40-S s-21/ | 6461 (254.37) | 6223 (245) | 3 (0.12) / 6 (0.24) |
| 7X40 | SP8Z7M40-S s-21/ | 7477 (294.37) | 7239 (285) | 3 (0.12) / 6 (0.24) |
Saddle and Strap Recommendations:
- 1 to 4 elements: 2 saddles and 2 straps
- 5 to 7 elements: 3 saddles and 2 straps
Material of Construction:
- Shell: FRP
- Liner: PVC
- Groovering: Alu/PAGF
- HEAD
- Frontplate: 78FPPL (PA/GF)
- Backplate: 78BPL (PPE)
- Retaining Ring Endplate: 68SEC-s (PAGF)
- Locking Ring: 78SECLOCK (PA)
- Screws for Locking Ring: 58SCR8/25 (316TI)
- Lip Ring: 58LIP (EPDM)
- PORTS
- HP-PORT: 78HP (S3, PPE/316L)
- NUT for HP-Port: 78NUT (K, PA)
- Permeate Port Body: 78PP/BSP (PPE)
- Screw 1.5inch: 58NUT15Z (PVC)
- PP Adapter Screw: 58PP/S15 (PVC)
- PP Adapter: 78UN/Exx
- ELEMENT INTERFACE
- Element Adapter open: 78ADxx (PPE)
- Element Adapter closed: 78ADxx/C (PPE)
- Chiming package: 18PP/CH-S3 (PPE/Elasto)
- SUPPORT
- Element Spacer: 78SPACER (PPE)
- Saddle: 58SADDLE (PA)
- STRAP: 58STRAP (304/316TI)
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. For contractual data, always refer to the specific OEM PDF revision used on your project.
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.