GB L TYPE BALL VALVE
Applicable Standards
1. Design Rating:GB/T12237;
2. Face to Face: GB/T12221;
3. Flanged Ends: JB/T79, GB/T9113, HG/T20592;
4. lnspection & Testing: GB/T26480, JB/T9092.
Classification
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National Free Service Hotline：400-623-8088，Fax：0577-28889778
Technical support：PRCVM
