Questions about valve selection?
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What are the differences between GOBR0102, GOBR0202, GOAR0102, and GOAR0202?
I don’t know where you saw it; I suggest finding the source and seeking professional advice. I guess I need to check the schematic diagram on the home page or the valve specifications. According to information on Baidu, for your reference: GOBR0102 has a nominal pressure of 5.0 MPa, Class 300, RF ； GOBR0202: Nominal pressure 5.0 MPa, Class 300, RF ； GOAR0102: Nominal pressure of 2.0 MPa, Class 150, RF ； GOAR0202: Nominal pressure of 2.0 MPa, Class 150, RF ； What’s the difference? I don’t see any difference. Valve Testing Certification Form_Baidu Wenku http://wenku.baidu.com/link?url=SJrITVVrYrX5Sna0NVzxKooGCERN6j_jRD7U7lEFKeoEbsQ-Q8QEwzrwdLqb1ZF-erDNVtnE7BWUpgNBInCXYfm6Yt9FudSwvryj9FxVz6K