Fire signal butterfly valve

source：Xiamen, rhett fluid control co., LTD The information has been viewed： 3980 Time：2013-07-03 14:13:23


Applicable to the petroleum, chemical, food, medicine, papermaking, power, shipping, water supply and drainage, smelting, energy system. Available in a variety of corrosive, non - corrosive gas, liquid, semi-liquid and solid lines and powder container as regulation and closure device. Especially widely used in high-rise building fire system and other necessary to display the state of pipeline valve switching system.
Product features:
A reasonable and simple structure, compact, convenient disassembly and assembly, can be installed anywhere
■ two-way bearing, good sealing performance, zero leakage
■ center plate structure, opening and closing torque is small
■ optional seat type: fixed type, activity type
The connection type ■ optional valve plate and the shaft: the entire shaft taper pin, taper pin, the half shaft shaft without pin, half shaft without pin
■ optional valve structure: no lug, lug type
■ drive: drive with a microswitch
■ optional standard: GB, HG, SH, API, ANSI, ASME, ISO, DIN, BS, JPI, JIS etc.
Technical parameters:
■ nominal size: DN50 ~ DN250
■ nominal pressure: 0.6 ~ 1.6MPa, Class 150
■ design standards: GB/T 12238, API609
■. Length: GB/T 12221, API609
■ applicable temperature: -10 ℃ ~ 120 ℃
■ end connection: customer requirements.
■ test and test: GB/T13927, API598
The material of main parts:
■ valve:
Cast iron, carbon steel, stainless steel, copper alloy"
■ valve plate:
The lining plate, plate, stainless steel, copper alloy, dual phase steel"
■ seat: all kinds of rubber
■ stem: stainless steel, dual phase steel
■ bushing: Lubricating bronze, PTFE