China
Benefits
1. International Certifications and Standards
2 Designed for use with gas(LNG/LPG) pipeline network application
3 Maintenance-free, no adjustment or lubrication with low running cost
4 Same lifetime as the pipeline system
5 Bi-directional valve
6 Available anti-corrosion special coating
Features
1 One-piece welded body & end-piece connection pipe
Note : Available end connection dimension to ASTM, EN, KS/JIS, Gost Standard etc.
2 Mirror polished stainless steel ball tested spherical roundness.
3 Bubble tight excellent sealing with carbon-reinforced PTFE (Teflon) seats.
4 Pre-loaded seat springs ensure leak-tight at low pressure and reduce valve operational torque.
5 Anti blow-out stem according to international standards.
6 Double O-rings ensure the stem sealing and can be replaced
7 Stem dry bearing, metal with PTFE coating having self-lubricating capabilities need no additional lubricant.
8 Stem & End connection pipe extension is available according to customer design requirement.
Product Range
Size: 1/2"~48"
Pressure: 150lb~2500lb
Body : Carbon Steel ST37, A106-B, STPG 370, A105,
ASTM A516-60, A216-WCB,SS304 ,SS316, or equivalent
Design standard: API6D
Face to Face: ANSI B 16.10
Connection Dimension : ANSI B 16.5, ANSI B16.47
Pressure Rating:ANSI B 16.34
Testing and Inspection: API 6d, BS5146
Shell thickness: ASME 16.34, API6D
Fire Safe Test: API6A
Dazhong Valve Group has focus in this filed more than 20 years, were founded in the year of 1990, with two factories , more than 1000 workers, 180,000 square meters workshop, Certificate:API6D, API6A, CE, ISO, etc.Main market: America, Europe, Midle east.
More details:View company website
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