Groth 1201B Manuel d'utilisateur

IOM-1201B Rev. D 12541 Ref. ID: 96337 © 2010 Groth Corporation Models 1201B, 1202B 1203A, 1221B, 1222B, 1223A, 1261A, 1301A, 1361A, 2301A Insta

10 SPRING LOADED PALLET ASSEMBLY 1. Remove cap and hex jam nut. 2. Carefully measure and record the distance from the top of the adjustment screw

11 TESTING AND SETTING PROCEDURE 1. Before starting to reassemble a valve, calculate the nominal pressure and vacuum pallet assembly weights, as sho

12 Groth Model 1201B Pressure/Vacuum Relief Valve

13 ITEM DESCRIPTION CARBONALUMINUM STAINLESS1 Body CS Aluminum 316 SS 2 Spring Chamber CS Aluminum 316 SS 3 Spring Button CS CS 316 SS 4

14 Groth Model 1221B Pressure/Vacuum Relief Valve

15 ITEM DESCRIPTION CARBONALUMINUM STAINLESS1 Outlet CS Aluminum 316 SS 2 Spring Chamber CS Aluminum 316 SS 3 Spring Button CS CS 316 SS

16 Groth Model 1261A Pressure/Vacuum Relief Valve ITEM DESCRIPTION CARBONALUMINUM STAINLESS 1 Outlet CS Aluminum 316 SS 2 Spring Chamber CS A

17 Groth Model 1301A Vacuum Relief Valve ITEM DESCRIPTION CARBONALUMINUM STAINLESS 1 Body CS Aluminum 316 SS 2 Spring Chamber CS Aluminum

18 Groth Model 1361A Vacuum Relief Valve ITEM DESCRIPTION CARBONALUMINUM STAINLESS 1 Outlet CS Aluminum 316 SS 2 Spring Chamber CS Aluminum

19 Groth Model 2301A Pressure Relief Valve ITEM DESCRIPTION CARBONALUMINUM STAINLESS 1 Base CS Aluminum 316 SS 2 Spring Chamber CS Aluminum

2 TABLE OF CONTENTS: INTRODUCTION: 3 DESIGN, FUNCTION & OPERATION 4 GENERAL SAFETY INSTRUCTIONS 5 SAFETY WARNINGS 5 INSPECTION AND INSTALLAT

20 MODEL INFORMATION The nameplate on the Valve contains the Model Number, Serial Number, set pressures and flow capacity at a specified over-pressur

3 INTRODUCTION: The Groth Spring-Loaded Pressure / Vacuum Relief Valves (PV) are designed to protect tanks from damage caused by overpressure or over

4 DESIGN, FUNCTION & OPERATION Pressure Relief: As the pressure in the storage tank increases the vacuum pallet is held shut. When the set pre

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

6 INSPECTION AND INSTALLATION The pressure/vacuum relief valve is carefully packaged to prevent damage or contamination during shipping. Inspect all

7 PREVENTIVE MAINTENANCE Groth Corporation recommends that all service performed on a pressure/vacuum relief valve be done at the factory or a factor

8 Replacement Springs To order original Groth replacement springs, find the desired pressure range from the tables below and select the correspondin

9 DISASSEMBLY WEIGHT LOADED PALLET ASSEMBLY 1. Loosen and remove all hex nuts and washers. 2. Remove the vent cover or weatherhood from the valve b