Sinopec North China Petroleum Engineering Co., Ltd.
Shear safety valve piston assembly \3NB-1300C AH0000060101
Sinopec North China Petroleum Engineering Co., Ltd.
Shear type safety valve central tube \3NB-1300C AH0000060101
Sinopec North China Petroleum Engineering Co., Ltd.
Safety valve pin \3NB-1300C JA-3H
Sinopec North China Petroleum Engineering Co., Ltd.
Shear safety valve assembly \AQF- II AH0000060101 forgings
Sinopec North China Petroleum Engineering Co., Ltd.
Positioning frame \3NB-1300C forgings
Sinopec North China Petroleum Engineering Co., Ltd.
Central pull rod is more \3NB-1300C AH33001-05.22.0
Sinopec North China Petroleum Engineering Co., Ltd.
Pull rod hoop bolt and cap \3NB-1300C 35Crmo
Sinopec North China Petroleum Engineering Co., Ltd.
\AQF- II 3NB-1300C forgings of the piston rod of the safety valve
Sinopec North China Petroleum Engineering Co., Ltd.
Double metal cylinder liner \F-1600HL 170 forging
Sinopec North China Petroleum Engineering Co., Ltd.
Piston assembly \F1600 = 170
Sinopec North China Petroleum Engineering Co., Ltd.
Piston assembly \F-1600 = 180
Sinopec North China Petroleum Engineering Co., Ltd.
\F-1300/1600 polyurethane high temperature
Sinopec North China Petroleum Engineering Co., Ltd.
Double metal cylinder liner \F-1600 diameter 180
Sinopec North China Petroleum Engineering Co., Ltd.
Intermediate pull rod \F-1600HL
Sinopec North China Petroleum Engineering Co., Ltd.
Valve assembly \F-1300/1600 hydrogenated hydrogen 20CrMnTi
Sinopec North China Petroleum Engineering Co., Ltd.
Valve assembly \F-1300/1600 hydrogenated hydrogen 20CrMnTi
Sinopec North China Petroleum Engineering Co., Ltd.
Gas nonyl \10 "natural rubber"
Sinopec North China Petroleum Engineering Co., Ltd.
Gas nonyl \10 "natural rubber"
Sinopec North China Petroleum Engineering Co., Ltd.
Gas nonyl \6 "(single)" (single) NBR
Sinopec North China Petroleum Engineering Co., Ltd.
Oil resistant piston \ = 150 NBR 3NB general purpose
Sinopec North China Petroleum Engineering Co., Ltd.
Slime shaving \5 "NBR"
Sinopec North China Petroleum Engineering Co., Ltd.
Cylinder head seal ring \3NB-1600C diameter 207 * 189 * 9 polyurethane rubber at room temperature
Sinopec North China Petroleum Engineering Co., Ltd.
Cylinder head seal ring \3NB-1600C diameter 207 * 189 * 9 polyurethane rubber at room temperature
Sinopec North China Petroleum Engineering Co., Ltd.
Bonnet sealing ring \3NB-1600C = 190 * 172 * 9 polyurethane rubber at room temperature

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