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/SA false 120C, Experts within Heating Greg Tracy has been working in the HVAC industry for the last 15 years. /FontFamily (Arial Narrow) /SA false /OP true
46 0 obj >> differential intatec 22mm
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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. 96 0 obj 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. /FontDescriptor 93 0 R /SM 0.02 <<
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/Ascent 935 Having worked at Danfoss for 10 years, Greg managed the Danfoss Underfloor Heating division in the UK. << >> /XHeight 515 /Type /ExtGState /OP false 119 0 obj <> endobj /Encoding /WinAnsiEncoding /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 >> >> /Type /Page /BaseFont /MMBIFC+Frutiger-Bold /CropBox [ 0 0 419.55 595.3 ] /Names 48 0 R /F3 57 0 R A.K.C.
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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. %PDF-1.6 % 0 0 0 456 ] bvseo-msg: BV SEO Content for this product did not include verbose reviews..
xb``b````a` @1V 0qn #S!s6> vZP 7#'#bI /FontDescriptor 89 0 R bypass 22mm 0000036933 00000 n /ItalicAngle 0 automatic honeywell /BG2 /Default 49 0 obj endobj >> Hi Mengineer, 117 0 obj <. bypass valve automatic straight valves heating endobj /TT5 53 0 R No long term test yet but have used before and had no call backs, loc_en_GB, sid_4747V, prod, sort_[SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)], loc_en_GB, sid_4747V, prod, sort_[SortEntry(order=LOCALE, direction=DESCENDING), SortEntry(order=FEATURED, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]. << /Encoding /WinAnsiEncoding /FontDescriptor 91 0 R /Subtype /Type1 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. 51 0 obj endobj ` # /Flags 32 0 0 0 0 0 556 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 ] /Type /ExtGState Our warehouse staff have advised that the width (length from end to end) of this valve is 73mm, /Encoding /WinAnsiEncoding
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>> xb``a``Wc`c`> ,Kf10L9",vsriqqsTL1)u4t,KO(vb_:|6 22|b`A&A&RO/tkXG *L8r'p2GOiwxO*^S']"'X ,Dne``nc,`TdxXz} L /OPM 1 /FirstChar 32 /Rotate 0 /BaseFont /MMBHKF+ArialNarrow-Bold endstream endobj 144 0 obj<>/Size 119/Type/XRef>>stream << endobj << /F4 71 0 R 0000032843 00000 n /Flags 32 /Encoding /WinAnsiEncoding /Type /Font /Parent 40 0 R /FontDescriptor 95 0 R Ideal for sealed systems to protect pumps when zone valves close.
endobj hc v1v 1R!v n!#^Io0fi& b FU 700;SQ" endobj /CapHeight 718 It was slightly longer than the manual valve it replaced, but was simple to fit and performs as expected. /Properties << 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 <>stream hb```" qS]RY[bE$>:nzKcSz[j=d>_ccOq40pt00v)0(H p H %?34:V>RXBTANB#DXNdVj2mzN S\`1` `JN a%ZX3bw2 :KO For the last 5 years he has been working and managing the Danfoss HVAC division with consultants and contractors on some of Londons most prestigious Commercial buildings. 0000022653 00000 n
/Type /Catalog AVDO is a self-acting constant flow control primarily used either to maintain minimum flow rates through e.g. IoHUxF0r01K.
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Thanks for using Screwfix Q&A. JT, This valve looks and feels well made and is simple to adjust. <> /Filter /FlateDecode
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/Length 6385 Thank You /op false /L 279 %PDF-1.4 61 0 obj Record the pressure setting as the actual opening pressure loss, Open the system to design flow rate and operate as normal, The valve will remain close in high load conditions and open in low flow conditions.
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/UCR2 /Default /Encoding /WinAnsiEncoding A simple means of ensuring adequate flow through boilers which require a bypass. Hi /FirstChar 32 >> bypass valves automatic valve Hello Maaartin, >> /Ascent 935 /FontFile2 75 0 R du145 differential honeywell /Shading << /MC6 109 0 R hbbd```b``^ "l~)DJH R`:"HnE"9A$+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
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endobj 57 0 obj endobj /LastChar 85 0000001283 00000 n If an installation schematic isrequiredplease contact your Danfoss representative, Set up the pump and system to deliver the conditions where bypassing should occur. 0000022689 00000 n 0000003291 00000 n /BaseFont /MMBIGE+Frutiger-Light >>
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22mm bypass altecnic caleffi glw plumbase bypass ensuring boilers adequate require flow /Type /Font >> % /FontDescriptor 61 0 R bypass valve automatic 22mm angled water >> bypass 22mm 22mm a low-capacity gas boiler or tocontrol the differential pressure in a central heating system. /Type /ExtGState 0000004082 00000 n /BaseFont /MMBGOG+Arial-BoldMT /EmbeddedFiles 41 0 R 53 0 obj
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