Sounding Self-Closing Valve CB/T3778-1999

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China Sounding Self-Closing Valve CB/T3778-1999:

Sounding self-closing valve must pass the hydraulic test and seal test. The hydraulic test pressure is 0.3Mpa, and last for 5minutes. The seal test pressure is 0.2Mpa, also last for 5 minutes.

The kind of sounding self-closing valve can be called as self-closing valve with sounding cap and test cock, self closing parallel cock heads for short souding pipe

Standard: CB/T3778-1999, CBM1128-82, JIS F3018.

Material:

1-Body: Bronze

2-Gland:Bronze

3-Plug: Bronze

4-Cover: Bronze

5-Counterweight (Test Cock): Nodular Iron

6-Self-Closing air valve: Brass

Main Size list(mm):

DN d (inch) H H1 L Weight(kgs)
40 G 1-1/2" 220 100 130 6.38
50 G 2" 225 105 140 6.85
65 G 2-1/2" 225 105 155 6.89

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