4

Model：RDF(Flange Type)、RDT(Thread Type)

Flange Type
Product accent：
  • The gate is designed for opening status, which will not influence the water supply function under unstable inlet pressure condition.
  • When the outlet pressure responds directly to the pressure control chamber and adjust the setting pressure, it responses quickly and adjust the pressure accurately.

Flange Type-illustration
  1. Upper Cover：Bronze
  2. Body：Bronze / SS304
  3. U-ring：NBR
  4. Piston：Bronze
  5. Sealing Spacer：NBR
  6. Sealing Washer：Brass
  7. Shaft Guiding Seat：Bronze
  8. Center Shaft：Brass
  9. Diaphragm Washer ：SS 304
  10. Diaphragm ：EPDM
  11. Fixed Bolt：SS 304
  12. Fixed Bolt：SS 304
  13. Spring：Spring Steel
  14. Lower Cover：Ductile Iron
  15. Adjusting Stem：SS 304
  • Pressure Adjusting Range：
    1 kgf/cm2 ∼5 kgf/cm2
    3 kgf/cm2 ∼8 kgf/cm2
    (special order is needed for other range)
  • Valve Body Testing Pressure：21kgf/cm2
  • Maximum Applied Pressure:
    12 kgf/cm2
  • Pressure needed from fully-closed gate to fully opened gate: 1 kgf/cm2
    (1 kgf/cm2 =14.2 psi)
  • Applied Temperature: -15℃ ~ 80℃
  • Applied Fluid: Fresh water
Item No Flange Type H L CV
RDT-50 2" 150 190 17
RDT-65 2-1/2" 165 210 28
RDT-80 3" 200 225 60
RDT-100 4" 220 250 80

尺寸單位：mm

Thread Type-illustration
   
  1. Gauge：Iron / SS304
  2. Upper Cover：Bronze / SS304
  3. O-ring：NBR
  4. Body：Bronze / SS304
  5. Piston ：Brass /  SS304
  6. Sealing：NBR
  7. Shaft ：Brass / SS304
  8. Diaphragm：CR橡膠
  9. Fixed Bolt：SS304
  10. Diaphragm Washer：SS304
  11. Spring：Spring Steel
  12. Spring Cover：Polyamide 66
  13. Spring Washer：Electroplated Iron
  14. Adjusting Bolt：Brass
  • Applied Fluid: Fresh water
  • Pressure Adjusting Range：
    1 kgf/cm2 ∼3 kgf/cm2
    2 kgf/cm2 ∼5 kgf/cm2
    4 kgf/cm2 ∼9 kgf/cm2
  • Valve Body Testing Pressure：21kgf/cm2：21kgf/cm2
  • Maximum Applied Pressure: ：12kgf/cm2
  • Applied Temperature:：-15°C∼80°C
  • 壓力錶為選購配件
Item No Thread Type H L CV
RDT-15 1/2" 70 60 2.5
RDT-20 3/4" 70 70 4.0
RDT-25 1" 80 80 6.5
RDT-32 1 1/4" 85 90 10.0
RDT-40 1 1/2" 110 110 13.0
RDT-50 2" 115 115 17.0
RDT-65 2-1/2" 180 150 28.0

★2-1/2僅生產鉋金銅材質

尺寸單位：mm


Flow Chart of Direct-Activated Pressure Reducing Valve

 

Z-Tide Valves Industrial Co.,Ltd     
        TEL:(02)2999-8885•FAX:(02)2999-7456•E-mail: zt.valve@msa.hinet.net 
 Official Exporting Department :    Elite Line Industrial Corporation
上海地區銷售代理商 上海僑鼎閥門有限公司
We reserve the right to change the specifications listed in catalogues and the website without notice. c 2008 Z-Tide Valves All Rights Reserved.