VALVE TYPES
- Jan 19, 2019
- Hits: 37
There are a large variety of valves and valve confi gurations to suit all services and conditions; different uses (on/off, control), different fluids (liquid, gas etc; combustible, toxic, corrosive etc)...
APPLICATIONS - VALVE SEAT/SEAL MATERIALS
- Jan 16, 2019
- Hits: 74
One of the most important factors affecting shutoff capability is the nature of media being handled. Service life is affected by all of the following factors: - pressure, temperature, degree of pressure...
MATERIAL SPECIFICATIONS - BALL VALVES
- Jan 16, 2019
- Hits: 290
BODY AND TRIM MATERIAL CARBON STEEL • ASTM A105 LOW TEMPERATURE CARBON STEEL • ASTM A350 LF2 LOW ALLOY STEEL • ...
Valve Material Types
- Jan 05, 2019
- Hits: 42
COMMON METAL TYPES USED IN VALVE MANUFACTURE The following is a general review of common valve materials used in general industrial, commercial and process valve construction. Go to the Technical section...
ISO/API/ASME MANUFACTURING STANDARDS
- Jan 04, 2019
- Hits: 107
ISO/API/ASME MANUFACTURING STANDARDS ISO 15761 has been recently published as part of an international effort to standardise the products for petroleum and natural gas industries. The following table...
VALVE TEST STANDARDS
- Jan 04, 2019
- Hits: 1285
COMMON VALVE TYPES & RELATED TEST STANDARDS Valve type Common test standard Steel ball, gate, globe and check valves API 598 Steel ball, gate, globe and check valves BS 6755*, ISO 5208...
Primary Valve Standards
- Jan 04, 2019
- Hits: 175
API 600 Steel Valves - Flanged & Buttwelding Ends API 600 is the main steel gate valve specifi cation. Valve design and construction criteria are specified, as well as materials and trim designations....
The Maintenance of Valves
- Jan 02, 2019
- Hits: 32
All valves require inspection and periodic maintenance prior to being placed into service and at regular intervals. Leaks should be repaired as soon as they are discovered in order...
The Installation of JONLOO Valves
- Jan 02, 2019
- Hits: 39
1.Unpacking All valves must be examined for signs of damage that may have occurred during transportation. Any damage observed during the inspection should be documented...
Why Forged Steel Ball Valve Must Be Used On Natural Gas Pipeline
- Dec 26, 2018
- Hits: 51
Ball valve usually applies cast steel or forged steel material. On commom conditions, both are applicale. But on natural gas pipelines, forged steel ball valves are strongly recommended. The forged steel...