Gate
The main technical parameters and design
Test pressure (MPa): 1.6/2.5
Nominal pressure (MPa): 4.0
Pressure level (Class): 6.4
JIS (MPa): 10.0
Working temperature:
PTFE ≤ 150 ℃ PPL ≤ 300 ℃ Carbon ≤ 350 ℃
Suitable medium
C: water, oil , steam, P: Nitric acid ( temperature ≤ 200 ℃) R: acetic acid ( temperature ≤ 200 ℃)
Design parameters:
Design, manufacture : GB/T12234-89
Flange connection : JB/T79-94, GB9113-2000
Structure length : GB12221-89
Nominal diameter : DN15 ~ DN150mm
Nominal pressure : PN1.6, 2.5,4.0 MP.
GB valve performance standards
Length of the structure GB12221-89
Flange size GB9113-2000 JB79-94
Pressure - Temperature GB9131
Design / manufacturing GB12234-94
Test - test GB/T13927 HB/T9092
GB valve pressure test (Mpa):
Nominal 1.62.546.41016
Strength test 2.43.869.61524
Water seal test 1.82.84.471118
On the seal test 1.82.84.47.041118
Gas seal test 0.4-0
