Commonly used valve standard introduction, how much do you know?

General valve standard: ASME B16. 34 flange end, butt welding end and threaded end valve valve connection end standard API 605 compact flange ASME B16. 25 butt end ASME B16. 11 socket and forging fittings threaded end of ASME B36. 10 welded and seamless steel tube ASME B16. The length of the ASME B16 10 valve's structure. Five steel flanges and flanged fittings of ASME B16. 47 large diameter steel flange MSS - SP - 44 steel pipe flange connection end forms commonly used valve SW & ndash; — — Socket welding Socket type connection NPT & ndash; — — NPT threaded WAFER & ndash; — Clamp connection BW long & ndash; — 屁股- - - - - - Welding butt end long connection type BW short & ndash; — 屁股- - - - - - Welding butt end type short connection FF & ndash; — — Flat Face plane flange connection ( 150 lb) is commonly used RF — — — Raised Face convex flange connection RTJ & ndash; — — Ring to be tenon groove connection ( Trapezoidal groove) Cut-off valve standards: DIN 3356 cut-off valve SHELL SPE 77/103 by BS1873 steel globe valve BS 1873 steel globe and stop-check valves to GB/T 12235 flange and butt welding steel globe and stop-check valves to check standard: SHELL SPE 77/104 by BS1868 steel stop valves of BS 1868 steel stop valves API 594 and double flange to the clamp check GB/T 12236 steel swing check valve ball valve standard: DIN 3357 ball valve SHELL SPE 77/100 by BS5351 ball valve API 6 d/ISO 14313 API 608 flange, pipeline valve threads and the butt end of steel ball valve ISO 17292 petroleum, petrochemical and refining industries of steel ball valve BS 5351 GB/T 12237 steel ball valve flange and butt welding of steel ball valve SHELL SPE 77/130 by ISO14313 flange end and butt welding end valves butterfly valves standard: MSS - SP - JB/T 67 butterfly valve metal sealing butterfly valve MSS - SP - 8527 ISO 17292 68 high-pressure eccentric butterfly valve oil, petrochemical and refining industries of steel ball valve with API 609 wafer, lug and double flanged butterfly valve flange of GB/T 12238 and connected to the clamp butterfly valve SHELL 77/106 by API608 SPE/EN593 / MSS SP67 soft sealing butterfly valve SHELL 77/134 by API608 SPE/EN593 / MSS SP67/68 eccentric butterfly valve, gate valve standard: DIN 3352 gate API 603 150 lb corrosion resistant casting gate valve flange end flange and butt welding of GB/T 12234 steel gate valve SHELL SPE 77/103 by ISO10434 steel gate of PI 600 / ISO 10434 oil and gas bolt connection of steel gate BS 1414 petroleum, petrochemical and refining industries steel gate of low temperature standard: BS 6364 cryogenic valves SHELL SPE - 77/200 50 ℃ below the valve SHELL SPE 0 ~ - 77/209 50 ℃ valve