ตัวแทนจำหน่ายวาล์ว Fisher Type 92W ในประเทศไทย
The Fisher™ Type 92W is a pressure-reducing regulator designed specifically for liquid service, utilizing either the Type 6492H or Type 6492L pilot. Built on proven design principles, this regulator offers reliable and consistent performance. The pilot supply pressure is routed from the main valve inlet to the pilot's inlet connection, while downstream pressure is sensed through a control line connected to the main valve pistons and the pilot diaphragm to ensure accurate pressure regulation.
Features
Good Shutoff for Low Downstream Build-up
• Type 92W main valve and Types 6492H and 6492L pilots use machine-lapped seating surfaces, a timeproven design which minimizes seat leakage when the downstream demand is zero and the regulator is shutoff.
Resistance to Piping Stresses
• Steel constructions are available to help resist piping stresses.
Ease of Installation
• Compact construction reduces installation space requirements. Supply pressure to the pilot is supplied from the inlet side of the main valve through factory-piped tubing; with a standard pilot, this means no separate pilot supply pressure is required.
Increased Sensitivity to Downstream Pressure Changes
• Friction-reducing bellows seal on the pilot stem and large pilot diaphragm areas yield good sensitivity.
Ease of Pilot Maintenance
• Pilot valve plug and seat can be removed for inspection or maintenance without disassembling piping connections and without removing the diaphragm. Pilot inlet screen is easily removed with the seating parts for inspection and cleaning. Diaphragm can be removed without disturbing the seating parts.
Application Flexibility
• Pilot with optional tapped spring case is available for use either with an air loading regulator for remote adjustment of outlet pressure setting or, when all compression is removed from the pilot control spring, with a solenoid or switching valve for on-off service.
PART NUMBER
• 1E395627022
• 1D745527142
• 1E395727192
• 6492H or 6492L
Specifications
Maximum Temperature
• Cast Iron Body:?406°F / 208°C | Steel Body: 500°F / 260°C
Body Sizes
• NPS 1 / 1.5 / 2 / 2.5 / 3 / 4 | DN 25 / 40 / 50 / 65 / 80 / 100
End Connections
• NPT / CL125FF / CL150RF / CL250RF / CL300RF / CL600RF
Maximum Inlet Pressure
• Cast Iron: 250 PSIG / 17.2 bar | Steel: 300 PSIG / 20.7 bar | Or body rating limit, whicever is lower
Maximum Outlet Pressure
• 250 PSIG / 17.2 bar
Spring Ranges
• 2 to 250 PSIG / 0.138 to 17.2 bar
Additional Technical Data
• For additional technical information,?contact?your local?Sales Office?or refer to technical documentation.
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