Groth 2000A Manual do Utilizador Página 1

IOM2000A.4 Rev. A 12541 © 2008 Groth Corporation Installation, Operation and Maintenance Manual for Emergency Rel

10 Figure 10: Sealant tape on Vacuum Seat 5. Apply PTFE sealant tape around the inside hole pattern of the vacuum seat [18] (Figure 10). Tape shou

11 16. Place spring [31] over the stem [14]. Use the spring button [16] to compress the spring [31]. Insert nuts [15] and tighten. Compress the sp

12 MODEL 2400A DISASSEMBLY & ASSEMBLY ITEM DESCRIPTION ITEM DESCRIPTION 1 Body 10 Diaphragm 2 Pallet 11 Washer, 3/8", PT

13 MODEL 2450A DISASSEMBLY & ASSEMBLY ITEM DESCRIPTION ITEM DESCRIPTION 1 Body 17 Stem Guide 2 Pallet – Pressure 18 Seat – Vacuum 3

14 second nut from the stem. Slowly raise the spring button to release the spring compression. The spring force will be in 5 – 30 lb range, dependi

15 Figure 17 : Sealant tape on Vacuum Seat 4. Place retainer plate [3], align with pallet hole pattern. 5. Apply PTFE sealant tape around the ins

16 16. If pallet assembly is high enough from the table, insert vacuum pallet-stem [23, 24, 14] assembly from beneath. Place a short length of pipe

17 TESTING AND SETTING PROCEDURE SETUP After final assembly, mount the valve on a tank vent test stand or on a blind flange with instrument tap. Use

19 MODEL INFORMATION The nameplate on the Groth Series 2000A Emergency Relief Valves contains the model number, serial number, set pressure and flow

2 TABLE OF CONTENTS: INTRODUCTION: 2 DESIGN, FUNCTION & OPERATION 3 GENERAL SAFETY INSTRUCTIONS 4 SAFETY WARNINGS 4 INSPECTION AND INSTALLA

3 DESIGN, FUNCTION & OPERATION The 2000A Series was designed as a cost effective valve that would protect a tank by providing emergency pressur

4 GENERAL SAFETY INSTRUCTIONS This section is an overview of safety guidelines that should be followed during the installation, operation and mainten

5 INSPECTION AND INSTALLATION The ERV is packed and supported to prevent damage or contamination during shipping. It should be similarly protected d

6 PREVENTIVE MAINTENANCE The 2000A Series valves do not require routine lubrication or adjustments, but should be checked periodically, at least twic

7 MODEL 2000A DISASSEMBLY & ASSEMBLY ITEM DESCRIPTION ITEM DESCRIPTION 1 Body 7 Hex Nut, 3/4"-10 UNC 2 Pallet 8 Washer, 3/4", PTF

8 MODEL 2050A DISASSEMBLY & ASSEMBLY ITEM DESCRIPTION ITEM DESCRIPTION 1 Body 17 Stem Guide 2 Pallet – Pressure 18 Seat – Vacuum 3 R

9 nut from the stem. Slowly raise the spring button to release the spring compression. The spring force will be in 5 – 30 lb range, depending on va