A natural gas relief device for high pressure ball valve

A natural gas relief device for high pressure ball valve

The utility model relates to a natural gas relief device for high pressure ball valve, including crossover sub, second and third stop valve, foraminiferous blind plate, the inlet end of crossover subfeeds through with high pressure ball valve's valve drain, and its end of giving vent to anger i...

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Hauptverfasser: ZHOU SHUDAN, ZHANG GUANGJIE, CHEN SHAOLING, ZHANG LEI, SU JUNWEI, ZHANG YONGCAI, LI WEITONG, LUO GANG, SHI BOBO
Format: Patent
Sprache:chi ; eng
Schlagworte:
BLASTING
FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES
FIXED-CAPACITY GAS-HOLDERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
STORING OF DISTRIBUTING GASES OR LIQUIDS
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES
WEAPONS
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creator ZHOU SHUDAN
ZHANG GUANGJIE
CHEN SHAOLING
ZHANG LEI
SU JUNWEI
ZHANG YONGCAI
LI WEITONG
LUO GANG
SHI BOBO
description The utility model relates to a natural gas relief device for high pressure ball valve, including crossover sub, second and third stop valve, foraminiferous blind plate, the inlet end of crossover subfeeds through with high pressure ball valve's valve drain, and its end of giving vent to anger is equipped with two branch roads, and the one of which passes through the one end intercommunication ofsecond stop valve and foraminiferous blind plate, and the other end of foraminiferous blind plate is equipped with the unloading circuit, and next feeds through with the one end of third stop valve, and the other end of third stop valve is equipped with the unloading detection line, and foraminiferous blind plate and unloading circuit all lie in the top of third stop valve and unloading detectionline. The utility model discloses a with valve drain and unloading circuit intercommunication, the natural gas in the high pressure ball valve valve pocket causes outdoor safe region fast to avoid natural gas leakage to pipelin
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subjects BLASTING
FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES
FIXED-CAPACITY GAS-HOLDERS
HEATING
LIGHTING
MECHANICAL ENGINEERING
STORING OF DISTRIBUTING GASES OR LIQUIDS
VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES
WEAPONS
title A natural gas relief device for high pressure ball valve
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