Pressure reducing valve
Product model:W812/W832
        Juhan Valve's W812 / W832 pressure reducing valve can automatically reduce the high pressure at the input to a stable low pressure output without being affected by changes in flow rate or input pressure. The output pressure is maintained within a preset range through a precise pressure regulating sub-valve. When the output pressure exceeds the setting range of the pressure reducing valve, the pressure reducing sub-valve and the main valve body are automatically closed to form a tight seal.
         If the optional non-return feature is selected, when the reverse pressure is generated, the returned liquid will enter the upper air chamber, closing the valve and preventing the liquid from returning.
Product Highlights
        Sensitive and precise pressure control, easy to adjust and maintain, excellent and reliable sealing performance, piping is equipped with filter device to prevent clogging.

Product parameters
Working pressure level Interface form and standard Temperature, medium Pilot parameters
PN10/PN16/PN25/150LB/10K/16K Flange connection, in accordance with: GB / ANSI / BSEN / ISO / DIN / JIS 0 ℃ ~ 80 ℃ normal temperature water Adjustment range:0.5~6kg/cm2,5~9kg/cm2,7~15kg/cm2

Part name Material
Valve body Ductile iron / stainless steel
Valve cover Ductile iron / stainless steel
Spring Stainless steel
Diaphragm NBR / VITON
Ball valve Brass / stainless steel
Needle valve Brass / stainless steel
Filter Brass / stainless steel
Pilot valve Stainless steel
 
DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L 230 290 310 350 400 480 600 730 850 850 1100 1100 1250 1450
H 139 159 179 214 214 333 407 476 526 526 624 624 720 835
H1* 85 95 102 112 127 145 172 205 232 262 292 325 360 425
ФK 173 198 226 265 265 351 436 524 606 606 741 741 1002 1308
S 3/8" 3/8" 3/8" 1/2" 1/2" 1/2" 3/4" 1" 1" 1" 11/2" 11/2" 2" 2"
Weight(Kg) 14 19 23 32 45 68 125 200 260 310 560 620 880 1300

Applications
relevant information
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