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Bts 80Bts 75 v—Floor Springs
BTS 80 / BTS 75 VFloor SpringsUniversal application, individualfunctions and assured quality—Whether standard, narrow orwide, whether LH, RH, or singleor double action – BTS 80 andBTS 75 V door springs aredesigned for all types of door.A comprehensive program ofaccessories ensures that theycan be used successfully with awide variety of door constructionsand floor coverings.Thanks to a wide range of functions, which can be individuallyselected to suit differentrequirements, BTS 80 andBTS 75 V floor springs offermaximum reliability and quality.Data and featuresBTS 803461–4Spring strength �–300312033 950 mm 1100 mm 1400 mmStandard andexternal doors1)For fire and smoke check doorsCertified to ISO 9001.For the tradeReduced stock requirementsbecause of separate,interchangeable spindles.Slim product range offeringall key functions.For the installerSuitable for installation withLH or RH single and doubleaction doors.Interchangeable spindlesenable easy adaptation tostructural conditions – evenwhen retrofitted.For the architect/specifierConcealed installation formaximum visual eleganceAll essential functions providedProven, robust design capableof withstanding leaf weightsof up to 300 kg (BTS 80).For the userConstant, temperatureindependent closing cycle.Highly efficient mechanismgives maximum userconvenience.–33Backcheck, mechanical33Delayed action adjustable by valve(selectable alternativeto the hold-open feature)3–175 – 0 175 – 15 15 – 0 3–––37.13417860–33–33.02858250Floor spring tested to EN 115433mark for building products(products with factory-fitted hold-open donot carry a mark)–3Hold-openAdjustableFixed 90 Fixed 105 Coverplate secured tocement boxfloor springWeight in kgDimensions in mm3 yesLengthOverall depthHeight– no or particularly heavy doors and doors which have to close against wind resistance,Fwe recommend the DORMA BTS 80.5060BTS 75 V783418228551-57DORMA36-46 36-4636-42 36-4251-572–3––1)BTS 80–Max. leaf weight (kg)Non-handed, suitablefor single and double action doorsClosing force variable by meansof adjustment screwClosing speedadjustable by valvePlus pointsBTS 75 VSpring strength (EN)
BTS 80 / BTS 75 VFloor SpringsApplication and Installation—LHDouble action doorRHSingle action doorApplication for LH offsetpivoted doorApplication for RH offsetpivoted doorAccessories—Universal cover plateBTS 803585810535 351,579BTS 75 VAdaptable to right or left handsingle action applica tions bysimply snapping off theappropriate pre-blanked cornersections. For double actiondoors, the corner sectionsremain in place.The universal cover plate isavailable in stainless steel orsatin brass (material thickness1.5 mm).3085810535 351,579Spindles8ZXZ3Ø 25A range of interchangeablespindles is available to providegreater floor clearance if required(e.g. doors with thresholds,carpeted floors etc).Special spindles available onapplication: e.g. with flat faceprofile and 3 offset or squaresection; spindles for nonDORMA-specific accessories arealso available.Calculating the necessary length of spindle extension:Extension X – Floor clearance (normally 8 mm)Collar height Z of the extended spindle inserts Spindle extensionlength 3 mm (collar height of the standard spindle insert)DORMA 2300 sealing compoundFor filling cavities between thefloor spring body and the cementbox to protect against moisturepenetration.Information about otheraccessories such as door strapsand top centres can be found inthe “Accessories for DORMABTS Floor Springs” leafletDORMA3
BTS 80 / BTS 75 VFloor SpringsStandard equipment and ,5Extended spindle inserts (extension in mm)10 12,5 15 20 25 28 30 35 120.5 kg45200402BTS 75 VFloor spring45200401BTS 80Floor ZZZZIncluding cement box and standard spindleEN 3EN 1–480120000EN 461701000EN 1–4 withhold-open at 90 61701200EN 1–4 withhold-open at 105 6170130080110000EN 680130000Including cement box without spindleEN 3EN 1–480120001EN 461701001EN 1–4 withhold-open at 90 61701201EN 1–4 withhold-open at 105 6170130180110001EN 680130001Universal cover plate4670000046700059Stainless steel4670010046700159Satin brass3 Floor spring with spindleZZ AccessoriesSPECIFICATION TEXT—BTS 80Universal non-handed floor springconforming to DIN EN 1154for single and double actiondoors up to max. 300 kg leafweight. With adjustable closingspeed and closing action fromapprox. 175 , with hydraulicallyfully controlled closing cycleand backcheck. With integralpressure compensation featurefor temperature-independenthold-open between 75 and175 (removable). Withadjustable hold-open start pointand delayed action (end ofdelayed action range adjustablebetween 75 and 105 ).Including cement box.SizeYYEN 3YYEN 4YYEN 6AccessoriesYYSpindleYYstandardYY. mm extensionYYspecial model .YYUniversal cover plate(1.5 mm thick)YYstainless steelYYsatin brassYYSealing compoundMake DORMA BTS 80BTS 75 VUniversal floor springconforming to DIN EN 1154,non-handed unit suitable forLH and RH single and doubleaction doors up to 120 kg leafweight, with adjustable springstrength (size EN 1 – 4) andclosing speed, with closingaction operational fromapprox. 175 . Featuringhydraulically fully controlledclosing cycle and backcheck.Including cement box.ModelsYYWith spindleYYWithout spindleYYFixed hold-open at 90 YYFixed hold-open at 105 AccessoriesYYSpindleYYstandardYY. mm extensionYYspecial model .YYUniversal cover plate(1.5 mm thick)YYstainless steelYYsatin brassYYSealing compoundMake DORMA BTS 75 VDORMA4
BTS 80 / BTS 75 VFloor SpringsSTANDARD AND OPTIONAL FUNCTIONS—BTS 8011 Adjustable closing speed2 Hold-open range or delayedaction range3 Adjustment range – point atwhich hold-open begins, orend of delayed action range(approx. 75 to 105 ).4 Mechanical backcheck(from approx. 80 )Hydraulic hold-openThe integrated hold-openfunction allows the door to beheld open at any anglebetween 75 and 175 .The angle at which thehold-open function begins canbe adjusted in the range of75 to 105 .Delayed actionThe delayed action functionslows the door closing speed,thereby allowing disabledpersons, mothers withpushchairs, staff with trolleysor hospital gurneys etc. topass through the door withoutproblem.32375 105 2180 4175 175 480 1BackcheckThe integrated mechanicalbackcheck function protectsthe wall and door fromdamage caused by excessivelyvigorous opening.2105 75 3BTS 75 V213590 70 105 411 Adjustable closing speedin the range 175 – 15 .2 Adjustable closing speedin the range 15 – 0 .3 Mechanical backcheck(from approx. 70 ).4 Fixed hold-open at90 or 105 (option).5 Adjustable spring strength(EN 1–4).Closing speedWith two independentlyadjustable closing ranges(175 – 15 and 15 – 0 )the DORMA BTS 75 V isideally adaptable to differentstructural conditions.Fixed hold-open (option)With the fixed hold-openfunction the door can be heldopen at an angle of90 or 105 , depending onmodel.215 175 175 15 2170 390 105 4BackcheckThe integrated mechanicalbackcheck function protectsthe wall and door fromdamage caused by excessivelyvigorous opening.Not suitable for use on Firedoors.The DORMA BTS 75 Vis CERTIFIRE approved(Certificate No. 127) fordoor types ITT 60 and IMM,IMN 240.DORMA5
WN 052 420 51532, 03/13, BTS 80/75 V, GB, x. DMS. xx/13Subject to change without noticeDORMA GmbH Co. KGDORMA Platz 158256 EnnEPEtAlGERMAnyPhone 49 2333 793-0Fax 49 2333 793-4950www.dorma.com
DORMA Platz 1 58256 EnnEPEtAl GERMAny Phone 49 2333 793-0 Fax 49 2333 793-4950 www.dorma.com Layout S. 6 - DORMA CI-2012 Englisch Stand 11.09.2012 DORMA_U4-Adressen_CI-2012.indd 6 22.02.13 12:12 Floor Springs 0 8 s t B B ts 75 v — Wn 052 420 51532, 03/13, BTS 80/75 V, gB, x. DMS. xx/13 Subject to change without notice
