Velan is a world leader in the design and production of a wide range of cast and forged steel gate globe check ball triple offset butterfly knife gate highly engineered severe service valves and steam traps offering superior performance across all major industrial applications.
Api 600 gate valve standard.
Difference between api600 and api6d gate valve jan 20 2019 api 600 and api6 d are different standards for gate valve.
Body body is the principal pressure containing part of a valve.
All gate valves meet the design requirements of standard api 600 api 603 and bs 1414 with testing to api 598.
Gate valves are on off valves to open and close the flow of the fluid in a.
Occasionally refinery and petrochemical purchasers will reference the more stringent testing requirements of 6d although the valve may have built under api 600 602 608 or 609 design criteria.
Soft seated valves in applications that require positive shut off such as in chemical and petrochemical services the l t soft seated gate valve is a suitable solution.
The installation of this type of valve creates a modest pressure drop in the pipeline lower than globe valves.
Api standard 600 steel gate valves flanged and butt welding ends bolted bonnets thirteenth edition january 2015 33 pages 135 00 product no.
Gate valves have forged bodies for bore sizes below 2 inches api 602 bs 5352 and cast bodies for larger sizes api 600 api 603 api 6d.
L t special valves 22 all api 600 l t gate valves can be offered with the option of soft seating for sizes up to 10 250mm.
1 difference of three basic size for gate valve.
Technical g a drawing dimensions weight details of api 600 gate valves 150lb 300lb 600lb 900lb 1500lb and 2500lb.
Design complies to api 600 and.
Now let us check what s difference between api600 and api6d design for gate valve.
The standard covers corrosion resistant bolted bonnet gate valves with flanged or butt weld ends in sizes nps 1 2 through 24 corresponding to nominal pipe sizes in asme b36 10m and classes 150 300 and 600 as specified in asme b16 34.
Api 6d is the primary standard for valves used in pipeline service including gate plug ball and check valves.