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pressure grade: H---- 31.5MPa
opening positive pressure: a---0.04Mpa
b---0.4Mpa
norminal diameter: 10mm, 20mm, 32mm
coonection type: threaded connection

pressure grade: H---- 31.5MPa
opening positive pressure: a---0.04Mpa
b---0.4Mpa
norminal diameter: 10mm, 20mm, 32mm
coonection type: threaded connection


