Page 1: Table Of Contents
Instruction and Operation Manual Instruction and Operation Manual Globe Valves Doc.No.: SPECS-IOM-GV Date: 08/2020 CONTENTS General Essential health & safety requirements of PED/Atex and solution 3. Application scope and Technical Parameters 4. Valve Structure Main Parts and Material 6. Working Principle and Structure Description 7.
Page 2: General
For the safety purpose user shall read this instruction to know what SPECS has already taken into account in our design and manufacture and what action shall be taken by user...
Page 3 Instruction and Operation Manual portable no-Ex-proof electrical device in the area and do not use open fire without a valid work permit 2.2.1.9 Valve must periodically checked on -Tightness of bolted connection body/bonnet gland flange connection -Corrosion/wear damages crack pitting thickness of the valve -Make sure the valves are in fully open/fully closed position 2.2.2...
Page 4: Application Scope And Technical Parameters
Instruction and Operation Manual Install and use only valves completely degreased Use valves only made with materials suitable for oxygen service see EN 1797-1 Dangerous service fluid as there are Toxic- Corrosive- Flammable- High- or Low temperature etc fluid Application Scope and Technical Parameters Scope The series valves are widely used in petroleum chemical...
Page 5 Instruction and Operation Manual 1 150LB/300LB GLOBE VALVE STRUTURE 2 600LB/900LB/1500LB/2500LB GLOBE VALVE STRUTURE Globe valve dimensions and weight refer to SPECS. - 4 -...
Page 6: Main Parts And Material
Instruction and Operation Manual Main Parts and Material The user or the pipeline system designer must select valve body material and the class according to the working temperature working pressure the type of fluid and standard temperature- pressure rating as specified in ASME B16 The manufacturer takes only incoherence of user selected material and valve class with the working condition - 5 -...
Page 7 Instruction and Operation Manual Table 1 Valve main parts and material ITEM PART NAME CARBON STEEL ALLOY STEEL STAINLESS STEEL A351 A351 Body A216 WCB A352 LCB A352 LCC A217 WC6 A217 C5 A351 CF8 A351 CF3 A351 CF3M CF8M CF8C A182 A182...
Page 8: Working Principle And Structure Description
Working Principle and Structure Description Working principle The series is globe valves When hand-wheel rotate clockwise the disc descends and the valve shuts off when rotate counter clockwise...
Page 9: Valve Transportation
6.2.4 Cone sealing is used for the valve and the seal material is selected to API 600 or to the customer requirements hand-wheel is replaced by gear operator , please see SPECS 6.2.5 For big valve s catalogue ’...
Page 10: Valve Operation And Maintenance
SPECS is not responsible for damage loss or expense arising out of such usage 10.2 Usually globe valves have no heat insulation structure never touch the surface of valves to prevent burn when the valve has a high/low surface temperature 10.3...
Page 11: Potential Failure And Troubleshooting
If part produced by valve manufacturer is not available due to emergency user shall produce the part to SPECS's technical documentation SPECS takes no responsibility for loss caused out of part produced other than SPECS 10.9 It is not recommended for reparation of valve pressure-containing part by user If the...
Page 12: 12. Quality Warrant
3. Drain away water in winter 12. Quality Warrant SPECS warrants its valves the date of delivery to the original customer against defects in material and workmanship under proper and normal use and service and not caused of resulting from improper...
Page 13: Servicing
Purchaser shall give notice to SPECS upon finding of any defect or assuming defect SPECS has privilege to check the facts of the defect SPECS sol 12.3 e obligation under this warranty shall be limited to the follows —repair of the material or...