User's Manual

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Instructions–Parts List

310537C

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

STAINLESS STEEL, WATERBASE COMPATIBLE

Back Pressure Valve

Used with abrasive fluids in circulating systems to provide regulated

back pressure to the spray gun(s) and to maintain proper circulating

pressure throughout the system. For professional use only.

8717A

Table of Contents

Warnings 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dimensions 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Technical Data 7. . . . . . . . . . . . . . . . . . . . . . . . . .

Graco Standard Warranty 8. . . . . . . . . . . . . . . .

Graco Information 8. . . . . . . . . . . . . . . . . . . . . . .

300 psi (2.1 MPa, 21 bar) Maximum Inlet Pressure

200 psi (1.4 MPa, 14 bar) Maximum Regulated Pressure

Model 916154

Stainless Steel Back Pressure Valve,

with carbide wear parts, for use with abrasive fluids

Summary of content (8 pages)

PAGE 1
Instructions–Parts List STAINLESS STEEL, WATERBASE COMPATIBLE Back Pressure Valve 310537C EN Used with abrasive fluids in circulating systems to provide regulated back pressure to the spray gun(s) and to maintain proper circulating pressure throughout the system. For professional use only. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. 300 psi (2.1 MPa, 21 bar) Maximum Inlet Pressure 200 psi (1.
PAGE 2
WARNING EQUIPMENT MISUSE HAZARD INSTRUCTIONS Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result in serious injury. D This equipment is for professional use only. D Read all instruction manuals, warnings, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
PAGE 3
Installation KEY A B C D Fluid Supply Line Air Spray Gun Fluid Pressure Regulator Air Supply Line A B E Adjusting Screw F Back Pressure Valve G Fluid Return Line D C G E F 8719A Fig. 1 Connect the line to the 1-1/4 in. npt(f) inlet and outlet. Make sure the flow direction agrees with the IN and OUT markings on the valve body. CAUTION Handle the back pressure valve with care to avoid damaging the diaphragm.
PAGE 4
Service Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally. To reduce the risk of an injury from accidental spray from the gun, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you: D D D D are instructed to relieve the pressure, stop spraying, check or service any of the system equipment, or install or clean the spray nozzle. 1. Shut off the pump. 2.
PAGE 5
Parts 7 1 1 See TOP VIEW 2 Torque to 10–12 ft-lb (13.5–16 N-m) 19 3 PTFE side down 1 4 Torque to 15–20 ft-lb (21–27 N-m) 13 5 Apply anaerobic pipe sealant to threads 6 Apply lithium-base grease 7 Lubricate threads TOP VIEW 5 3 6 7 6 5 2 4 1 6 Torque screws (1) to 120–130 in-lb (13.6–14.7 N-m) in order shown 20 2 Model 916154 Stainless Steel Back Pressure Valve 16 Includes items 1 to 22 22 12 3 18 17 11 7 21 4 10 8 5 14 5 3 15 8718A Ref. No. Part No.
PAGE 6
Dimensions 4 in. (102 mm) diameter 7.25 in.
PAGE 7
Technical Data Maximum inlet pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 psi (21 bar, 2.1 MPa) Regulated pressure range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 to 200 psi (0.3 to 14 bar, 0.03 to 1.4 MPa) Inlet and outlet size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 8
Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.