Related Manuals for Continental Disc Corporation GROTH 1201B
Summary of Contents for Continental Disc Corporation GROTH 1201B
- Page 1 INSTRUCTION MANUAL Installation, Operation and Maintenance PRESSURE / VACUUM RELIEF VALVES Spring Loaded Fiberglass MODELS 1201B/2301A/1261A/1361A ©Groth Corporation 2006 IOM 1201FRP.1 MAY 2006...
- Page 2 Table of Contents SECTION MODEL No. PAGE Introduction Installation Operation Maintenance - Weight loaded port Safety Warnings Maintenance - Spring loaded port Valve Inspection & Maintenance Log Model Identification & Warranty Sectional Drawing & Bill of Material 1201B C-87359 1201B 87359BOM 2301A C-87301...
- Page 3 Pressure and Vacuum Relief Valves INTRODUCTION (P-V) are preset at the factory in accordance with the purchase order. Groth's spring loaded Pressure/ These settings are printed on the Vacuum Relief Valves are designed to stainless steel name tag. protect your tank from damage created over-pressuring excessive valves...
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Page 4: Installation
INSTALLATION: fasteners are used, select an anti-seize Typical valve installation on a tank or vessel compound such as moly-disulfide. is illustrated in Fig.1 on the next page using a Model 1221A Pressure/Vacuum Relief Valve. Most tanks will have provision for an operating relief valve, an emergency relief 6. -
Page 5: Operation
Typical Tank Installation g. 1 OPERATION: Vacuum Relief : As a vacuum is drawn on Pressure Relief : As the pressure in the storage tank increases, the vacuum pallet is held shut. When the set pressure is reached, the pressure pallet lifts and relieves to a header (or to atmosphere if it is not a pipe away valve). - Page 6 MAINTENANCE: WEIGHT LOADED PALLET ASSEMBLY If the valve is equipped with a weight loaded port the seating surfaces for pitting or build up. It it is important to regularly inspect and clean the is recommended to replace all soft goods diaphragm, guides and seating surfaces for the including diaphragm (#26) and cover gasket most effective valve performance.
- Page 7 Fig. 5- Typical Spring Loaded P-V Valve WARNINGS 1. Pressure/Vacuum conservation valves guide in the cover. If the stem is cocked, are designed to provide full rated the pallet assembly may not open fully capacity at 100% over-pressure. If the and the tank can be over-pressured.
- Page 8 MAINTENANCE: SPRING LOADED PALLET ASSEMBLY Groth Corporation strongly recommends that all 3. Relieve all spring compression by turning the service performed on a spring loaded valve be adjustment screw (#19) counterclockwise. done at the factory or a factory authorized repair center.
- Page 9 movement. Lubricate the adjustment screw threads with an appropriate thread lubricant. If the valve is in high temperature service or stainless steel external fasteners are used, apply an anti-seize compound such as moly- disulfide to all threaded components. Tighten all hex nuts firmly. 9.
- Page 10 WARNING : Failure to properly set a spring loaded valve may cause a tank failure. This can cause severe personal injury or death and material damage. Replace and tighten hex jam nut (#20) firmly. Replace cap (#21). Mount valve on a calibrated Test Stand and check for proper setting. Note : Please specify model number, size and serial number as shown on the equipment tag when ordering replacement parts.
- Page 11 This manual covers Pressure /Vacuum Relief Valves of six different Model series. They share many common components. Please fill in the information in the table below for each individual valve and file with maintenance records. Valve Model No.: Valve Tag No. Pressure Setting: Vacuum Setting: Date Received:...
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Page 12: Product Limited Warranty
The nameplate on the Valve contains the Model Number, Serial Number, set pressures and flow capacity at a specified over-pressure. The Model Number contains additional information about materials of construction, soft goods and options. The following chart will assist in relating the Model Number to the characteristics of your valve: MODEL SIZE...
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