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WITT-GASETECHNIK

GMBH & CO KG

GAS MIXERS

www.wittgas.com

Type KM 20/30/60/100-2; KM 20/30/60/100-3 Gases all technical gases (excluding toxic or corrosive gases) Mixing range 0-100% or 0-25% (KM 60/100 only) Pressure settings see tables Inlet pressure differentialbetween the gases max. 3 bar Mixture output (air) see tablesmin. mixture output = 1/5 of the max. mixture output Setting accuracy ±1% abs. (scale 0-25%), ±2% abs. (scale 0-100%) Mixing precision better than ±1% abs. Gas connections KM 20/30/60 G 1/4 RH with cone, hose nipple 6 mm Gas connections KM 100 G 3/8 RH with cone, hose nipple 8 mm For fuel gases:fuel gas connection and outlet at mixer G 3/8 LH with cone, soldering nipple for pipe OD 10 mm Housing steel, powder coated Weight approx. 12 kg (-2), approx. 21 kg (-3) Dimensions (HxWxD) approx. 250 x 150 x 340 mm (9.8 x 5.9 x 13.4 inch) (-2 without connections) approx. 250 x 350 x 340 mm (9.8 x 13.8 x 13.4 inch) (-3 without connections) Approvals Company certified according to ISO 9001:2000 and ISO 14001 - ATEX 95 Directive 94/9/EG

Flow KM 20 (in Nl/min) in relation to airoutlet pressure in barg Flow KM 30 (in Nl/min) in relation to airoutlet pressure in barg 0.51.01.52.02.53.03.54.04.55.05.56.02 0.51.01.52.02.53.03.54.04.55.05.56.02 6-----------
Note:Reduced mixture output in case of higher outlet pressures. 13-----------
Note:Reduced mixture output in case of higher outlet pressures. 3 -10---------- 3 -21---------- 4 --13---------min. 4 --29---------min. 5 ---17-------- 5 ---36-------- inlet 6 ----20----- --pressure inlet 6 ----44----- --pressure 7 -----24------in barg 7 -----51------in barg 8 ------27-----(max. 8 ------59-----(max. 9 -------30----13 bar) 9 -------66----13 bar) 10 --------34--- 10 --------73--- 11 ---------37-- 11 ---------81-- 12 ----------40- 12 ----------88- 13 -----------44 13 -----------95 Flow KM 60 (in Nl/min) in relation to airoutlet pressure in barg Flow KM 100 (in Nl/min) in relation to airoutlet pressure in barg 0.51.01.52.02.53.03.54.04.55.05.56.02 0.51.01.52.02.53.03.54.04.55.05.56.02 24-----------
Note:Reduced mixture output in case of higher outlet pressures. 47-----------
Note:Reduced mixture output in case of higher outlet pressures. 3 -39---------- 3 -77---------- 4 --53---------min. 4 --105---------min. 5 ---68-------- 5 ---133-------- inlet 6 ----82----- --pressure inlet 6 ----160----- --pressure 7 -----96------in barg 7 -----188------in barg 8 ------109-----(max. 8 ------215-----(max. 9 -------123----13 bar) 9 -------242----13 bar) 10 --------137--- 10 --------269--- 11 ---------151-- 11 ---------296--
Technical Data 12 ----------165- 12 ----------323- 13 -----------179 13 -----------350
C5subject to change

manufactures mixing, metering and control equipment as well as analysing systems and safety equipment for all common gases.

KM 2