API 598 valve

API 598 valve

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API 598 ball and globe valves suppliers in UAE

Specification of API 598 valve


Api 598 Valve Specification

API 598 standards API 598 valve size Metal seated check valves
  • API 598 standard covers testing and leaking requirement of different valves such as gate, globe and check valves
  • 2 NPS to 12 NPS
  • Liquid test drop : 2 min
  • Gas Test bubbles : 3 min
Leakage rate of Ball, Globe & Gate valves Leakage rate of check valves Maximum leakage allowable
  • 10 cubic centimeter/hr per inch of pipe dia
  • 40 cc/hr per inch of pipe dia
  • Class II : 0.5%
  • Class III : 0.1%
  • Class IV : 0.01%
Test Pressure Testing Below listed API 598 plug valve suppliers also stock following brands
  • Class II : 45-60 psig
  • Class VI : 50 psig
  • Shell test – liquid/gas
  • Back seat test – liquid
  • Closure test for low-pressure – gas
  • Closure test for high-pressure – liquid
  • Oliver valves
  • Swagelok
  • Hoke
  • Parker
  • Hamlet
  • Rose mount
Maximum allowable closure test leakage rate Threads Temperature
  • Liquid (mm3/s) – 0.006 x dn
  • Liquid (drops/s) – 0.0001 x dn
  • Gas (mm3/s) – 0.18 x dn
  • Gas (bubbles/s) -0.003 x dn
  • NPT
  • BSP
  • JIC
  • BSPT
  • METRIC
  • Upto 1000 °F
Pressure rating Packing Operation
  • Class 150 to 2500
  • Inner Box
  • One Piece Packing
  • Wooden Crate/Box
  • Standard Export Packaging
  • Manual
  • Gear
  • Electric
  • Pneumatic
Closure tests List of projects where below listed API 598 ball valve manufacturers has supplied Test fluid
  • Low-pressure closure test
  • High-pressure closure test
  • Yamal LNG Plant – Russia
  • Cartegana LNG Terminal – Spain
  • Tongyeong LNG Terminal – South Korea
  • Qatargas 4 LNG Plant – Qatar
  • Air
  • Inert gas
  • Kerosene
  • Water
  • Noncorrosive liquid

Select the most reliable API 598 control valve manufacturers in Sharjah, check API 598 ball valves price in Dubai

API 598 check valve manufacturer & supplier in the middle east and Asia, API 598 gate valve are manufactured in forged & cast methods in custom sizes

Buy API 598 needle valve & API 598 diaphragm valves in Class 150, 300, 400, 600, 900, 1500, 2500, and 4500 as per API 598 Testing Standards
Purchase API 598 plug valve for a reasonable price, with top-notch customer service and prompt delivery in the entire GCC countries