Air Release and Air Vacuum Valves Cross Reference Guide

Air/Vacuum Valves  (Clean Water)

Air Release - Clean water - Cross Reference Chart

Inlet & OutletFlomaticAPCOValmaticCrispin
1/2" NPT threaded6560 Wellair Deep Well141 WDT100DWS-TDD5
1" NPT threaded6561 Wellair Deep Well142 WDT100 DWS-TDDL10
2" NPT threaded6562 Wellair Deep Well144 WDT102 DWS-TDDL20
3" NPT threaded6563 Wellair Deep Well146 WDT103 DWS-TDDL30
1/2" NPT threaded6520 Maxiair141100A5
1" NPT threaded6521 Maxiair142101AL10
2" NPT threaded6522 Maxiair144102AL20
3" NPT threaded6523 Maxiair146103AL30
4" NPT threaded6524 Maxiair152104AL40
3/8" NPT threaded6500 Miniair--M3
1/2" NPT threaded6501 Miniair5015A.2 & 22M5
3/4" NPT threaded6502 Miniair6515A.2 , 22 & 25M8
1" NPT threaded6503 Miniair200A.1 & 200A15A.3 & 38M10
2" NPT threaded6504 Miniair200.1 & 200.245PL20
1" NPT threaded6540 Comboair143C201CUL10
2" NPT threaded6541 Comboair145C202CUL20
3" NPT threaded6542 Comboair147C203CUL30
4" NPT threaded6543 Comboair149C-UL 40


Air/Vacuum Valves  (Waste Water)

Air Release - Sewage - Cross Reference Chart

Inlet & OutletFlomaticAPCOValmaticCrispin
2" NPT & 1" NPT6620 Sewair-Maxi401301SL20A
2" NPT & 2" NPT6621 Sewair-Maxi402302SL20A
3" NPT & 3" NPT6622 Sewair-Maxi403303SL30A
2" NPT & 2" NPT6600 Sewair-Mini40048SL20
3" NPT & 3" NPT6601 Sewair-Mini40048SL30
2" NPT & 1" NPT6650 Sewair-Combo443 SCAV801ASL20A
2" NPT & 2" NPT6651 Sewair-Combo445 SCAV802ASL20A
3" NPT & 3" NPT6652 Sewair-Combo447 SCAV803ASL30A


Disclaimer: All products listed above are not exactly comparable and are listed to give the reader some reference that should be verified with the manufacturer of the product. Also, all data and performance values contained in this publication are for general information only and should not, therefore, be used or relied upon for any specific application without independent competent professional examination and verification of its accuracy, suitability, and applicability. Anyone making use of performance values contained herein does so at their own risk and assumes any and all liability resulting from such use. Flomatic® Corporation disclaims any and all expressed or implied warranties of fitness for any general or particular application.