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ManualsBrandsGriffco Valve ManualsEquipmentHigh-Flow Series

Griffco Valve Inc.

6010 N. Bailey Ave., Suite 1B

Amherst, NY 14226

Phone: 1 716 835-0891

Fax: 1 716 835-0893

High Flow Series

Instruction

Manual

Back Pressure Valves

Pressure Relief Valves

Call: 1 - 800 - GRIFFCO Website: www griffcovalve.com

INSG-2003-R0203 Revision Date: 02/03/11

Summary of content (4 pages)

PAGE 1
Griffco Valve Inc. 6010 N. Bailey Ave., Suite 1B Amherst, NY 14226 Phone: 1 716 835-0891 Fax: 1 716 835-0893 High Flow Series Instruction Manual Back Pressure Valves Pressure Relief Valves Call: 1 - 800 - GRIFFCO Website: www griffcovalve.
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INTRODUCTION GRIFFCO diaphragm back pressure valves are used to enhance the performance of chemical feed pumps and systems by providing a constant discharge head pressure. These valves also function as an anti-siphon valve. The diaphragm is held against the seat by the internal spring. Back pressure is adjustable from 10 - 150 psi via the adjustment screw. When the inlet pressure exceeds the preset pressure the diaphragm lifts off the seat and the chemical flows to the injection point.
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TYPICAL INSTALLATION GRIFFCO HF BACK PRESSURE / ANTI-SIPHON VALVE WITH OPTIONAL PRIMING VALVE PULSATION DAMPENER INJECTION VALVE CHEMICAL CONTAINER GRIFFCO HF PRESSURE RELIEF VALVE GRIFFCO CALIBRATION CYLINDER SHUT OFF VALVE Y-STRAINER DRAIN VALVE CHEMICAL FEED PUMP ISOLATING BALL VALVES OPTIONAL PRESSURE RELIEF PIPING MAINTENANCE: DIMENSIONS: The pressure relief and back pressure valves were designed with minimizing the amount of maintenance required to keep the valves in operation.
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PARTS LIST ITEM DESCRIPTION PART # 1/4 - 20 X 2 3/4" Bolt - 1/2 – 3/4" Plastic Valves 5/16 - 18 X 1 1/2” Bolt - 1” Metal Valves 1/4 - 20 X 5” Bolt - 1” Plastic Valves (4.5” & 5” OD) 1/4 - 20 X 1 1/4" Bolt - 1/2 - 1" Metal Valves PV-00101 PV-00102 PV-00105 PV-00108 2 1/4 - 20 Cap hex nut PV-00202 3 1/4 Flat Washer (Required with 316 SS Top 1/2" – 3/4") 5/16 Flat washer (Required with 316 SS Top 1”) PV-00302 PV-00303 4 1/2" – 3/4" Valve Top – Noryl.