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VALVE TESTING STANDARD

Valve Size Rating Dimension Std. Testing Standard
Gate ½” – 1 ½” 800 / 1500 API 602 API 598
Globe / Check ½” – 1 ½” 800 / 1500 B 16.34/BS-5352 API 598/BS-6755 Pt1
Gate 2” – 24” 150/300/600 API-600 API 598
Gate 26” – 48” 150/300 BS-1414 BS-6755 Pt1
Globe 2” – 6” 150/300/600 B 16.64/BS-1828 API 598/BS-6755 Pt1
Check 2” – 24” 150/300/600 B 16.64/BS-1828 API 598/BS-6755 Pt1
DP Check 2” – 24” 150/300/600 API-594 API 598
Gate/Globe/Check 2” – 12” 900/1500 ASME B16.34 API 598/BS-6755 Pt1
Ball ½” – 16” All B 16.34/BS-5351/API-6D API 598/BS-6755 Pt1
Plug ½” – 12” All API 598/BS-5353 API 598/BS-6755 Pt1
Needle ½” – 1 ½” 800 BS 5352 BS 6755 Pt1
Butterfly 3” & above All BS 5155/AWWA C504/API 609 BS 6755 Pt1/AWWA/ API 598
Diaphragm All - BS 5156 BS-6755 Pt1
Safety Valve All All API 526 API 527

REFERENCE CODE AND STANDARDS

ASME B1.1 Unified inch Screw thread
  B1.20.1 Pipe thread, general purpose
  B16.1 Cast iron pipe flanges and flanged fittings
  B16.5 Steel pipe flanges and flange fittings
  B16.9 Factory made wrought steel butt welding fittings
  B16.11 Forged steel fittings socket welding and threaded
  B16.20 Metallic gasket for pipe flanges – Ring joint, spiral wound and jacketed
  B16.21 Non metallic flat gasket for pipe flanges
  B16.25 Butt welding ends
  B16.36 Orifice flanges
  B16.47 Large diameter steel flanges
  B16.48 Steel line blanks
  B18.2.2 Square and Hex. Nuts (Inch series)
  B31.3 Process piping
  B36.10 Welded and seamless wrought steel pipe
  B16.19 Stainless steel pipe
M.S.S SP 06 Standard finishes for contact faces of pipe flanges and connecting end flanges of valve fittings
  SP 25 Standard marking system for valves, fittings, flanges & Unions
  SP 95 Swage (d) Nipples and Bull Plugs
  SP 97 Integrally reinforced forged branch outlet fittings – Socket  welding, Threaded and Butt welding ends
EN 10204 Metallic product – Type of inspection documents
AWWA C207 Steel pipe flanges for water works services – 4 in through 144  in (100mm through 3600mm)