Serie 4\" V4i 42

Summary

Product identification

This document describes the Knappe Pressure Vessels, specifically the Series 4 inch V4i - FRONT ENTRY product line. The vessels are designed to accommodate a certain number of elements (1 to 6) as indicated by the product codes.

Available Vessel Types:

• RO4Z1M14-V4i-42
• RO4Z1M21-V4i-42
• RO4Z1M40-V4i-42
• RO4Z2M40-V4i-42
• RO4Z3M40-V4i-42
• RO4Z4M40-V4i-42
• RO4Z5M40-V4i-42
• RO4Z6M40-V4i-42

Operating limits

• Max. Working Pressure: 42 bar / 600 PSI
• Max. Working Temp.: 60 °C / 150 °F
• Min. Working Temp.: 2 °C / 36 °F
• Max. Test Pressure (ASMEX): 54.6 bar / 780 PSI

Mechanical / hydraulic

Vessel Dimensions (L-Stich, measured as total length):

• RO4Z1M14-V4i-42: 433 mm (17.05 inch) with tolerance -3/+5 mm (-0.12/+0.2 inch)
• RO4Z1M21-V4i-42: 611 mm (24.06 inch) with tolerance -3/+5 mm (-0.12/+0.2 inch)
• RO4Z1M40-V4i-42: 1093 mm (43.03 inch) with tolerance -3/+5 mm (-0.12/+0.2 inch)
• RO4Z2M40-V4i-42: 2110 mm (83.07 inch) with tolerance -3/+5 mm (-0.12/+0.2 inch)
• RO4Z3M40-V4i-42: 3127 mm (123.11 inch) with tolerance -3/+6 mm (-0.12/+0.236 inch)
• RO4Z4M40-V4i-42: 4144 mm (163.15 inch) with tolerance -3/+6 mm (-0.12/+0.236 inch)
• RO4Z5M40-V4i-42: 5161 mm (203.19 inch) with tolerance -3/+6 mm (-0.12/+0.236 inch)
• RO4Z6M40-V4i-42: 6178 mm (243.23 inch) with tolerance -3/+6 mm (-0.12/+0.236 inch)

Vessel Components and Materials:

• SHELL: FRP
• LINER: PVC
• GROOVERING: Alu
• HEAD ENDPLATE open: 74EP4, PPE
• ENDPLATE closed: 74PEP4-C, PPE
• ELEMENT ADAPTER closed: 74AD192-C, PPE
• RETAINING RING: 64SEC4, 316TI
• SCREW M6: 58SCR6x12, 316TI
• O-RING: OR92x5, EPDM

Ports:

• HP-PORT (optional)
• PERMEATE PORT (optional)
• Optional Feed/Brine ports can be used up to 21 bars (300 PSI) with SS inserts.
• Available port types include DN16/PN16, G3/4in (for HP, permeate, feed, brine), and G1/2in cylindrical (for feed, brine).
• PVC inserts are available for PVC piping.
• Note: Do not use tapered Fittings for HP and Permeate ports in the endplate.

Mounting:

• Mounts are optional and not included in vessel supply.
• Recommended quantity of mounts:
  • 1 to 3 elements: 2 Mounts
  • 4 to 6 elements: 3 Mounts
• The optional Mount (Part # 64MOUNT) is made of PE.

Disclaimer

This summary is based on the provided text extract and may not include all figures, footnotes, or the most recent revisions from the original OEM PDF datasheet. For contractual data and complete specifications, please refer to the official OEM PDF revision used on your project. Dimensions may be subject to change and should not be used for construction unless certified.

Official datasheet (PDF)

PDF datasheet