JB/T 1308.1-1999 PN250a valve types and basic parameters

JB/T 1308.1-1999 JB/T 1308.1-1999 PN250a Valve type and basic parameters JB/T1308.1-1999 Standard download decompression password: www.bzxz.net

1C.S 23.060
Machinery Industry Standard of the People's Republic of China
JB/T1308.1-1308,21-1999
PN250MPa ultrahigh pressure valves and fittings
Technical conditions
Speclfcations for PN 2S0 MPa ultrahighpressure valves and fittings1999-07-12Published
State Machinery Industry Bureau
2000-01-01 Implementation
Machinery Industry Standard of the People's Republic of China
PN250MPa Valve Types and Basic Parameters
Types and basic parameters for PN250MPa valves
This standard specifies PN25UMPa valve types and parameters. This standard is applicable to valves for neutral media such as ethylene and polyethylene with a pressure of 250MPa. 2 Types and parameters of valves shall be in accordance with the provisions of Table 1, 2. Table valve types and basic parameters
Worldwide connection uses the above
pipe fittings with angle-type sections
flanges
angle-type flanges
method to make the angle-type flanges as the standard
method to make the angle-type flanges as the standard
method to make the angle-type flanges as the standard
method to make the angle-type flanges as the standard
Head-point live angle type certificate
Jia grabs the head to send love hot type throttling interval
Pipe joint reaches the can surface return
Pipe head Lan stop
Yunlan makes the total surface positive return
Method: Connect the heating ball surface positive return low
Ethylene and shadow research and H mud compound
Bridge and polyethylene field and its mixture
Ethylene and polyethylene modified material
Ethylene and ethylene fear and its mixture
2.2 The valve is under different working temperatures. The allowable working pressure is in accordance with the provisions of Table 2. Table 2 Working pressureWww.bzxZ.net
Working temperature width
201-150
251-2B0
National Machinery Industry Bureau 1959-07-12 approved 3
JB/T 1308.1-199
Announcement of old 1308-73
Work plan
2000-01-01 implementation
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