Low pressure all welded the fixed ball ball valve

source：Xiamen, rhett fluid control co., LTD The information has been viewed： 4027 Time：2013-07-03 13:56:00


Full welded ball valve is widely used in city gas, city heat supply, petrochemical, shipbuilding, steel, pressure regulating station, power plant and other types of pipeline equipment. Full welded ball valve long-term reliable operation, maintenance, simple installation, valve installation more convenient.
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 and / or chromium plating;
■ valve double seal, the sealing ring can be replaced with pressure check;. Hard and / or soft sealing compound sealing; seal piston effect;
■ double cut emissions
Technical parameters:
■ nominal size: DN100 ~ DN1000
■ nominal pressure: PN1.6 ~ P2.5MPa
■ design standard: ANSI API 6D GB/T 19672
■. Structural length: ASME B16.10 GB/T 12221
■ applicable temperature: -29 ℃ ~ 300 ℃
■ butt end: 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