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  <xs:element id="gtls_DebtInstrumentIssuePricePercentage" abstract="false" name="DebtInstrumentIssuePricePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtls_EuroDenominatedSeniorSecuredRevolvingCreditFacility2029CreditFacilitiesMember" abstract="true" name="EuroDenominatedSeniorSecuredRevolvingCreditFacility2029CreditFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_ForeignFacilitiesMember" abstract="true" name="ForeignFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_PublicOfferingMember" abstract="true" name="PublicOfferingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_RangePriceAxis" abstract="true" name="RangePriceAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="gtls_RangePriceDomain" abstract="true" name="RangePriceDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_RangeTwoMember" abstract="true" name="RangeTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_RangeOneMember" abstract="true" name="RangeOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_ConversionOfShares" abstract="false" name="ConversionOfShares" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="gtls_ConvertiblePreferredStockDailyDepositoryConversionRatePerShare" abstract="false" name="ConvertiblePreferredStockDailyDepositoryConversionRatePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="gtls_OtherLongTermLiabilitiesMember" abstract="true" name="OtherLongTermLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="gtls_SharebasedCompensationArrangementbySharebasedPaymentAwardTotalFairValueGrantedDuringPeriodEmployees" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardTotalFairValueGrantedDuringPeriodEmployees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="gtls_SharesBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue" abstract="false" name="SharesBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedInPeriodTotalFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
