automatic bypass valve

50 0 obj A.K.C. bypass 22mm /FirstChar 32 /Properties << [ /Separation /RTF#20r35#20g31#20b32 /DeviceCMYK 74 0 R ] /LastChar 121 wkQ+\eSofI3/ln6o~/xhpm$E+o+:BIw'dJx NirSaex;8Grq;K.y b1luI9'\ /FontDescriptor 60 0 R bypass bvseo-msg: BV SEO Content for this product did not include verbose reviews.. endobj >> 0000022653 00000 n 143 0 obj 0000030173 00000 n HWr}h+GR^y@q(1I{s @-M7ww>mw7`n6e&fZLaOu /SM 0.02 /L 279 >> /BaseFont /MMBIFD+Frutiger-Roman /Type /FontDescriptor startxref /MC4 105 0 R 125 0 obj endobj >> 0000003244 00000 n /FontFamily (Arial Narrow) hb``a``z6g 001Gs"vfGGG7|,.00[. \*!X,4"^A_bq5MdQ>Cs/ /Metadata 44 0 R 0 0 479 0 0 0 592 592 592 592 0 501 0 0 228 0 0 501 0 592 638 547 0 592 547 501 592 trailer endstream /CropBox [ 0 0 419.55 595.3 ] /F2 56 0 R /Flags 32 /Type /Font endobj /Subtype /TrueType <>>> 59 0 obj

/MC6 109 0 R xbb``b`` % This valve has stopped all the flow through the bypass in normal use (I set it to 0.25 bar having done the sums for my system. HWnF}}a l ^e-Xyple`hoUErl Gu?_6Fvy~E'o"ovR_(kz7?o/WS~n_pxxurisu\A>]5WNg#]P^>B5t^i]q.6(JZ$$:;.6qm7s$M%EH|,t!^> H_v/]_^zb[fex#(yJ]/fFsS!Et_FQ~"Xm~c/=~.>qbK9^+Q_`C[,U3o=~he>dRQ2`Nn/sc?k{||2w>%K(BS~ S@OL <<

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0 0 0 456 ] /Subtype /TrueType /FontWeight 400 0000022243 00000 n Greg TracySend Greg an email+44 1234364621, Bypass valve are to be selected on the required bypass flow rate and opening pressure loss, The valves shall be capable of the required opening pressure within the published spring range, The valves shall be installed with a partner valve to enable bypass flow measurement and flow limiting if necessary, The partner valves shall be fixed orifice in DN15-50 and variable orifice in DN50 (high flow) to DN400, The valve shall be installed between flow and return in accordance with the flow direction shown on the valve casting, The partner valve shall be on the return, just after the bypass valve, and within the impulse tube loop. 106 0 obj <> endobj 153 0 obj <>/Filter/FlateDecode/ID[]/Index[106 98]/Info 105 0 R/Length 187/Prev 924091/Root 107 0 R/Size 204/Type/XRef/W[1 3 1]>>stream /GS2 63 0 R /Descent -211 /LastChar 85 /Widths [ 228 0 0 0 0 0 0 0 273 273 0 0 228 0 228 0 0 456 456 456 456 456 0 0 0 0 0 0 0 0 >> /EmbeddedFiles 41 0 R 0000002363 00000 n /BG2 /Default /Rotate 0 /FirstChar 32 /FirstChar 32 /Encoding /WinAnsiEncoding >> /BaseFont /MMBHKF+ArialNarrow-Bold /Type /Page Hello Maaartin, >> hb```" qS]RY[bE$>:nzKcSz[j=d>_ccOq40pt00v)0(H p H %?34:V>RXBTANB#DXNdVj2mzN S\`1` `JN a%ZX3bw2 :KO /Type /ExtGState /LastChar 32 /Sh2 80 0 R /Ascent 935 /Type /Font /Cs8 58 0 R 63 0 obj Thank You /ItalicAngle 0 endobj 57 0 obj /MC3 103 0 R 0000000851 00000 n Hi Mengineer,

/Parent 40 0 R >> /FirstChar 32 /FontFile2 75 0 R 'o2{,Zn{z /F1 55 0 R h[io9+ia! << If an installation schematic isrequiredplease contact your Danfoss representative, Set up the pump and system to deliver the conditions where bypassing should occur. /BG2 /Default With a straight valve, it does not matter if installed vertically or horizontally. <<

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/OPM 1 <> 0 0 0 0 0 556 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 ] A simple means of ensuring adequate flow through boilers which require a bypass. >> >> /BaseFont /MMBHAG+Arial %PDF-1.4 % 722 ] /LastChar 121 /SM 0.02 /UCR2 /Default /FontFile2 76 0 R %PDF-1.6 % /Shading << /TT2 51 0 R 0000001937 00000 n /Widths [ 278 0 0 0 0 0 0 0 0 0 0 0 0 333 278 0 556 556 556 0 556 556 0 556 0 0 0 0 0 0 0 611 0 0 0 389 0 0 0 0 0 0 556 ]

/MediaBox [ 0 0 419.55 595.3 ] /Sh3 82 0 R /Widths [ 278 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 /GS1 62 0 R This is the pump minimum flow or defined low flow rate, Measure the flow rate on the partner valve. /GS3 64 0 R /CapHeight 0 /F4 71 0 R 47 0 obj 3 ,EUBBwe~-. *hi{:j !=@H{Z3\&i,p]6BKc:-9p{|_vpN#(e! /FontDescriptor 61 0 R /Encoding /WinAnsiEncoding >>

/FirstChar 49 /Descent -211 /GS4 116 0 R <>stream 64 0 obj My system shouldn't ever 'need' a bypass as it's a W valve system with one rad with no trv, so the manual bypass was very inefficient but I didn't want to just shut it off. /MC8 113 0 R /Subtype /TrueType /Sh1 78 0 R /LastChar 121

/SA false 49 0 obj Hi This point just between open and closed is the setpoint. /Cs9 59 0 R 547 0 0 0 0 0 0 0 0 0 0 456 501 456 501 456 0 501 501 228 228 456 228 729 501 501 /B 295 hbbd```b``^ "l~)DJH R`:"HnE"9A$+Xd"|$cD:"YE&fHU` 3}c "g/$Hg6 f3+Hkaf kb 0|~]8J$30^ 0 Ab endstream endobj startxref 0 %%EOF 203 0 obj <>stream

/Flags 32 << &=cv3YAcm%y"YnerBHh^F3a6EyBZ'sPe4X9T#/luA7"{rCjIi"@4 AVDO is a self-acting constant flow control primarily used either to maintain minimum flow rates through e.g. 500 0 0 556 556 0 0 333 389 333 556 444 778 0 444 ] 53 0 obj stream /OPM 1 /MC2 101 0 R <>/Filter/FlateDecode/ID[<5B19FC880E19AA4D9F8EF91EDEB3396D>]/Index[95 49]/Info 94 0 R/Length 125/Prev 1282143/Root 96 0 R/Size 144/Type/XRef/W[1 2 1]>>stream startxref /ProcSet [ /PDF /Text ] /Font << >> Ideal for sealed systems to protect pumps when zone valves close. /FontBBox [ -137 -307 1000 1109 ] /BaseFont /MMBGOG+Arial-BoldMT For the last 5 years he has been working and managing the Danfoss HVAC division with consultants and contractors on some of Londons most prestigious Commercial buildings. 54 0 obj /LastChar 150 <<

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}~6,]k{.Bn|>?u;k>g 96 0 obj /Filter /FlateDecode 97 0 obj << % Martin.

<< >> >> endobj endstream >> /FontStretch /Condensed /XHeight 515 >> << 0000015585 00000 n /MC9 115 0 R /Type /Font 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 556 0 611 0 0 0 0 0 0 0000003291 00000 n ), Works as required. endobj Having worked at Danfoss for 10 years, Greg managed the Danfoss Underfloor Heating division in the UK. << /TT6 54 0 R 117 0 obj /Resources 50 0 R 0000026338 00000 n 60 0 obj /UCR2 /Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 0 0 0 500 0 556 0 222 0 119 0 obj <> endobj /BaseFont /MMBIFC+Frutiger-Bold /Filter /FlateDecode >> 501 0 319 456 273 501 456 638 0 456 ] a low-capacity gas boiler or tocontrol the differential pressure in a central heating system. IoHUxF0r01K. It was slightly longer than the manual valve it replaced, but was simple to fit and performs as expected. /UCR2 /Default Record the flow rate in the commissioned condition, Turn the spring setting mechanism on the valve until the calculated opening pressure loss is set, If the valve is open, turn the mechanism until it is just closed. 0 0 0 0 0 0 0 456 456 410 456 456 228 456 456 182 0 410 182 683 456 456 456 456 273 endstream endobj 120 0 obj<>/Outlines 13 0 R/Metadata 28 0 R/PieceInfo<>>>/Pages 27 0 R/PageLayout/OneColumn/StructTreeRoot 30 0 R/Type/Catalog/LastModified(D:20090902145415)/PageLabels 25 0 R>> endobj 121 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/ExtGState<>>>/Type/Page>> endobj 122 0 obj<> endobj 123 0 obj<> endobj 124 0 obj<> endobj 125 0 obj[/Indexed 137 0 R 161 141 0 R] endobj 126 0 obj<> endobj 127 0 obj<> endobj 128 0 obj<> endobj 129 0 obj<> endobj 130 0 obj<>stream /FontBBox [ -182 -307 1000 1086 ] >> P1u`7C =P8 3}pbU^p\Z-Ukc]?n===W#d`MSO&DB1P@Oa ydMRR@. 0000010158 00000 n /Encoding /WinAnsiEncoding 0000001283 00000 n is dimensioned for pressure stage PN 10,max. /Encoding /WinAnsiEncoding X'Neg7UX&bdH@.85 H /OPM 1 b/Y L9>r m"2( *21 endstream endobj 107 0 obj <> endobj 108 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC]/Properties<>/Shading<>/XObject<>>>/Rotate 0/TrimBox[30 30 625.276 871.89]/Type/Page>> endobj 109 0 obj <>stream /FontDescriptor 91 0 R hbbd``b`N@m@`yL- V" @] !$W$`0 &!21URm6HI=HHXz@BdJ!"Fw Ig Qy q{ZPJI)t{E/Ov=xyMh}}|{X.>WJzy|-"E7tIytgr2/*@mdcC>xbt6i;Wp:\l4P7?dE;8b-.7U;yQL>J=HY,FGW6N;X!P\_hb*? D=,50&`@j*_yT$k dh^qcG$7ZagCnol\U&;1_&?s#poRqeH=R}xl[8W}8JRB~2!/i^lD ZI"tU3`C+2K|wxc@s%?_YzW,Ka"IS9yC}C!(QP 5 TTl0L@ qzTA H$aFVy^jh 0o `.r%s,mbHQQuQI,y=ll27\3rN/P#=e07534Bx(r'bpG\Ov-\'Y pbq2PG_(uVOCHjb*6 `!y= t34 xb``b````a` @1V 0qn #S!s6> vZP 7#'#bI /SA true 0000022689 00000 n endobj /FontName /MMBHKF+ArialNarrow-Bold hc v1v 1R!v n!#^Io0fi& b FU 700;SQ" Thanks for using Screwfix Q&A. JT, This valve looks and feels well made and is simple to adjust. 0000001112 00000 n /FontDescriptor 87 0 R Record the pressure setting as the actual opening pressure loss, Open the system to design flow rate and operate as normal, The valve will remain close in high load conditions and open in low flow conditions. ` # Thank you for using Screwfix Q&A. /Type /Catalog /Widths [ 556 0 0 556 556 0 0 0 0 0 0 0 0 0 0 0 0 0 0 722 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0000004082 00000 n /Encoding /WinAnsiEncoding Copyright Screwfix Direct Ltd 2022 Company Registration no: 3006378 VAT Registered: 232555575. endobj /F3 57 0 R endobj /FirstChar 32 %PDF-1.4 >> 95 0 obj 145 0 obj<>stream 0000007345 00000 n <<

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automatic bypass valve