Troubleshooting; Spare Parts; Accessories - Honeywell BFW112 Operating And Maintenance Manual

10 Troubleshooting

Problem
Discharge valve opens for no apparent
reason
Discharge valve does not close

11 Spare Parts

Overview
5 3 1 2
4

12 Accessories

Honeywell GmbH
Cause
Fluctuating inlet pressure
Pressure surge on the secondary side
Inlet check valve seal or discharge valve
seal soiled or defective
Seal damaged
Running surface is soiled
1 2 1 2
2
Description
TK295 Test kit
analogous pressure gauge with differential pressure indicator With
case and accessories, ideal for inspection and maintenance of
backflow preventer type BA.
TKA112 Test track for backflow preventer
GB
Remedy
-
-
Remove and clean piston
Remove piston and replace seal
Remove and clean piston
Description
1 Seal ring set
2 Piston incl. seals
3 Stone trap
4 Dirt and fall protection
5 Rotatable B-Storz coupling with handle
grip and counter grip
6
Dimension Part No.
0904183
0904184
0904185
0904186
0904198
Dimension Part No.
TK295
TKA112
MU0H-1264 GE23 R0818