High pressure all welded the fixed ball ball valve

source：Xiamen, rhett fluid control co., LTD The information has been viewed： 4054 Time：2013-07-03 13:54:47


Full welded ball valve is widely used in petroleum, natural gas, heating, chemical and thermal pipe network and other areas of long-distance pipelines.
Product features:
A valve body is connected with welded forged steel valve body; and the inner parts. The fixed ball design;
Automatic pressure relief structure"
A stem can be disassembled and fly prevention, fire protection, anti-static function; carbon steel parts nickel / chromium;
■ valve double seal, the sealing ring can be replaced with pressure check;. Hard and soft sealing compound sealing; seal piston effect;
■ double cut emissions
Technical parameters:
■ nominal size: NPS2 ~ NPS20, DN50 ~ DN500
■ nominal pressure: Class 150 ～ Class 900 PN1.6 ~ PN16MPa
■ design standard: ANSI API 6D GB/T 19672
■. Structural length: ASME B16.10 GB/T 12221
■ applicable temperature: -29 ℃ ~ 425 ℃
■ flange end / butt-welding ends: customer requirements.
■ test and inspection: API 598 GB/T 13927
The material of main parts:
Body: A105 LF2
Seat: + hard alloy steel (STL6 STL8) or PTFE
Sphere: A105+ENP, LF2+ENP F304 F316
Stem: A182 F6a F22 F9 F304 F316 F321
Packing: "O" seal ring +304+ graphite asbestos packing