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HANG THESE INSTRUCTIONS ON THE 

INSTALLED VALVE FOR FUTURE REFERENCE

 

WARNING

•  Read and understand all instructions before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping products.
•  Depressurize and drain piping systems before attempting to install, remove, adjust, or perform maintenance on any Victaulic piping 

products.

•  Wear safety glasses, hardhat, and foot protection.
•  Save this installation, operation, and maintenance manual for future reference.
Failure to follow instructions and warnings could cause system failure, resulting in death or serious personal injury and property damage.

I-867-42T

INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

867-42T Pressure Reducing Valve

I-867-42T

REV_B

Summary of Contents for 867-42T

Page 1: ...attempting to install remove adjust or perform maintenance on any Victaulic piping products Wear safety glasses hardhat and foot protection Save this installation operation and maintenance manual for...

Page 2: ......

Page 3: ...zard Identification 4 Safety Instructions 4 Introduction 4 Pressure and Flow Ratings 5 Head Loss 5 Installation 6 Operation 7 Start Up 8 Readjusting 8 Maintenance And Inspection Tests 9 Weekly Inspect...

Page 4: ...Use only recommended accessories Accessories and equipment that are not approved for use with this valve may cause improper system operation 3 Wear safety glasses hardhat foot protection and hearing p...

Page 5: ...B 2 PB 2 PB 2 PB 2 PB 2 UL 2 PBL 2 UL 2 PBL Recommended relief valve in mm 3 4 20 3 4 20 1 1 2 40 2 50 3 80 3 80 4 100 HEAD LOSS The minimum P across the valve is 5 8 psi 0 4 bar In cases where the in...

Page 6: ...o stage high reduction in pressure and or added protection to a reduced pressure zone Sprinkler System Pressure Reduction Reduces a high unstable pressure supply to a preset stable system pressure Set...

Page 7: ...et pressure rises above the pre set pressure the pilot valve throttles enabling pressure to accumulate in the control chamber Figure 2 call out 1 This causes the control valve to close further and red...

Page 8: ...usting the outlet pressure the inlet pressure should be at least 20 psi 1 4 bar higher than the set outlet pressure 2 The flow rate during adjustment should be as close as possible to the systems desi...

Page 9: ...d the pressure for which the system components are rated MONTHLY INSPECTION AND TEST 1 Complete weekly inspection 2 During the monthly fire pump flow test verify that the pressure relief valve is corr...

Page 10: ...alve For complete contact information visit victaulic com I 867 42T 9680 REV B UPDATED 11 2016 VICTAULIC IS A REGISTERED TRADEMARK OR TRADEMARK OF VICTAULIC COMPANY AND OR ITS AFFILIATED ENTITIES IN T...

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