Hydraulic Hose Fittings

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Hydraulic hose fittings enable the connection between hydraulic hoses and various hydraulic system components (pumps, valves and cylinders). They ensure a secure and leak-free connection,...Read more

StyleModelMPNPricePkg. Qty.
A3PCTS-4FJSX3PCTS-4FJSX€842.9250
A8PCTS-8FJSX8PCTS-8FJSX€1,136.0350
A12PCTS-12FJX12PCTS-12FJX€952.8825
A16PCTS-16FJX16PCTS-16FJX€1,117.4625
DIXON -

Cam and Groove Adapters

StyleModelConnection TypeFitting ShapeHose Fitting GenderFor Hose I.d.MaterialMax. Operating PressureSizeTypePrice
ARE400NO----Stainless Steel100 psi4"-€258.91
BG100-F-AL----Aluminum250 psi1"-€13.56
CG600-E-AL----Aluminum75 psi6"-€157.97
DRE075-1370----Stainless Steel250 psi3/4"-€110.75
ERE200PF----Stainless Steel250 psi2"-€181.05
DRE100-1620----Stainless Steel250 psi1"-€83.58
ARE200NO----Stainless Steel250 psi2"-€79.15
DRE100-1770----Stainless Steel250 psi1"-€99.23
F40A-45TCAL----Aluminum-4"-€493.73
G600-A-PM----Malleable Iron75 psi6"-€249.66
H801-F-AL----Aluminum50 psi8"-€498.52
IG400-ALT-AL----Aluminum100 psi4"-€105.67
RFQ
G801-A-AL----Aluminum50 psi8"-€452.56
J801-E-AL----Aluminum50 psi8"-€752.40
KG400-E-AL----Aluminum100 psi4"-€43.29
LG125-A-AL----Permanent Mold Aluminum250 psi1 1/4"-€18.25
ARE300NO----Stainless Steel125 psi3"-€152.51
M300ASSSAP----Stainless Steel---€178.67
KG200-E-AL----Aluminum250 psi2"-€14.13
ARE150NO----Stainless Steel250 psi1 1/2"-€73.87
CG100-E-AL----Aluminum250 psi1"-€12.21
NG600-A-AL----Aluminum75 psi6"-€84.78
OG250-A-AL----Aluminum150 psi2 1/2"-€34.62
PRE150SEClamp End-Male1 1/2"Stainless Steel--Adapter€350.09
Q600DA-90ALFemale Fitting x Male FittingType DA--Aluminum75 psi6"90 Degree Elbow€647.37
PARKER -

Swivel Fittings

StyleModelInlet Connection GenderOutlet GenderInlet SizeOutlet SizeOutlet Connection TypeInlet Connection SizeOverall LengthOutlet TypePrice
AS2202-8-8FemaleFemale NPTF1/2"1/2"NPTF---€225.32
BS2102-12-12FemaleMale3/4"3/4"Male NPTF3/4"3.35"NPTF€339.83
BS2102-6-6FemaleMale3/8"3/8"Male NPTF3/8"2.31"NPTF€212.36
CS2507-12-12FemaleMale3/4"1 1/16"SAE O Ring Straight3/4"3.75"--
RFQ
AS2202-4-4FemaleFemale1/4"1/4"Female NPTF1/4"2.19"NPTF€242.62
BS2102-4-4FemaleMale1/4"1/4"Male NPTF1/4"2.31"NPTF€215.14
DS2107-6-6FemaleMale3/8"3/8"Male NPTF3/8"2.31"NPTF€171.50
DS2107-4-4FemaleMale1/4"1/4"Male NPTF1/4"2.31"NPTF€199.52
DS2107-12-12FemaleMale3/4"3/4"Male NPTF3/4"3.35"NPTF€331.61
ES2307-4-4FemaleMale1/4"7/16"JIC----
RFQ
BS2102-8-8FemaleMale1/2"1/2"Male NPTF1/2"2.74"NPTF€201.18
DS2107-8-8FemaleMale1/2"1/2"Male NPTF1/2"2.74"NPTF€191.47
FS2207-8-8FemaleFemale NPTF1/2"1/2"Female NPTF1/2"2.47"Female-
RFQ
GS2103-8-8MaleMale3/4"1/2"Male NPTF3/4"2.74"NPTF€198.16
HS2203-8-8MaleFemale3/4"1/2"Female NPTF3/4"2.47"Female-
RFQ
IS2503-8-8MaleMale3/4"3/4"Male Sae O-Ring Straight3/4"2.4"Straight Sae O Ring€192.03
HS2203-12-12MaleFemale1 1/16"3/4"Female NPTF1 1/16"3.15"NPTF€330.20
HS2203-6-6MaleFemale9/16"3/8"Female NPTF9/16"2.19"NPTF-
RFQ
GS2103-4-4MaleMale1/4"1/4"Male NPTF1/4"2.31"NPTF€229.03
IS2503-10-10MaleMale7/8"7/8"-7/8"2.54"-€219.89
GS2103-6-6MaleMale9/16"3/8"Male NPTF9/16"2.31"NPTF€203.15
IS2503-6-6MaleMale9/16"-----€193.26
IS2503-12-12MaleMale1 1/16"1 1/16"SAE O Ring Straight1 1/16"3.4"-€267.34
CONRADER -

N Series Fittings

StyleModelFitting SizeOrifice Dia.Price
A0006TOP--€5.67
RFQ
A3220-015-SIDE-0.015"€6.64
RFQ
A0007-SIDE--€8.21
RFQ
A0007-TOP--€6.64
RFQ
A0006-SIDE--€5.67
RFQ
A0006-OUT--€6.64
RFQ
A3220-017-SIDE-0.017"€6.64
RFQ
A3220-017 TOP-0.017"€6.64
RFQ
A3220-015-TOP-0.015"€6.64
RFQ
A0003OUT0.5"-€6.64
RFQ
A0003-SIDE0.5"-€5.67
RFQ
A5719-SIDE0.5"-€7.47
RFQ
A5719-TOP0.5"-€6.93
RFQ
A0003-TOP0.5"-€5.67
RFQ
A5719-OUT0.5"-€8.82
RFQ
A6670-SIDE0.75"-€7.47
RFQ
A6670-OUT0.75"-€8.82
RFQ
A6670-TOP0.75"-€7.52
RFQ
A0097-TOP0.75"-€8.89
RFQ
A0097-SIDE0.75"-€5.67
RFQ
A0097-OUT0.75"-€6.64
RFQ
A3365-TOP0.375"-€7.47
RFQ
A3365-SIDE0.375"-€7.47
RFQ
A3365.OUT0.375"-€8.73
RFQ
A0096-OUT0.625"-€6.64
RFQ
StyleModelTube SizeHose SizeMaterialGradePrice
ATES-16-16--Stainless SteelGrade 304€162.23
ATES-08-081/2"-8Stainless SteelGrade 304€51.95
ATES-04-041/4"-4Stainless SteelGrade 304€29.19
ATES-12-123/4"-12Stainless SteelGrade 304€148.50
ATES-06-063/8"-6Stainless SteelGrade 304€35.82
StyleModelThread TypeConnection TypeMaterialPrice
AREL2010Female NPTFNPT x FNPTIron€54.45
AREL1050Female NPTFNPT x FNPTIron€15.07
AREL1075Female NPTFNPT x FNPTIron€14.19
AREL1525Female NPTFNPT x FNPTIron€37.80
AREL1210Female NPTFNPT x FNPTIron€23.10
AREL2518Female NPTFNPT x FNPTIron€15.30
AREL1510Female NPTFNPT x FNPTIron€37.80
AREL5025Female NPTFNPT x FNPTIron€10.96
AREL7550Female NPTFNPT x FNPTIron€11.11
AREL5038Female NPTFNPT x FNPTIron€10.71
AREL2015FNPT-Iron€47.89
AREL2520FNPT-Iron€111.03
AREL3020FNPT-Iron€179.39
AREL4030FNPT-Iron€266.38
AREL4020FNPT-Iron€266.38
StyleModelHex SizeConnection TypeMaterialShapePrice
A62C-04037/16"Compression x CompressionBrassStraight€28.71
A62C-06049/16"Compression x CompressionBrass-€29.67
A62C-080611/16"Compression x CompressionBrassStraight€55.44
A62C-100613/16"Compression x CompressionBrassStraight€41.83
DIXON -

Male Frac Fittings

StyleModelStyleSizeWorking PressureSeal MaterialOperating PressureFitting MaterialPrice
AHUM100300CSFigure 1003"400 psi @ 70°FMetal to Metal400 psiIron€286.69
AHUM100800CSFigure 1008"150 psi @ 70°FMetal to Metal150 psiIron€944.27
AHUM100400CSFigure 1004"400 psi @ 70°FMetal to Metal400 psiIron€283.38
AHUM100600CSFigure 1006"230 psi @ 70°FMetal to Metal230 psiIron€648.86
BHUM206400CSFigure 2064"400 psi @ 70°FNitrile Rubber400 psiIron€219.97
BHUM206300CSFigure 2063"400 psi @ 70°FNitrile Rubber400 psiIron€275.45
CHUM206800CSFigure 2068"150 psi @ 70°FNitrile Rubber150 psiIron€953.40
CHUM206600CSFigure 2066"230 psi @ 70°FNitrile Rubber230 psiIron€678.68
StyleModelMaterialSizeGradeFinishShapePrice
ASS337Plated Steel3/8"-Plated-€13.74
ARB26Stainless Steel2"Grade 316-Straight€182.88
ARB6Stainless Steel3/4"Grade 316--€88.39
ARB11Stainless Steel1"Grade 316--€98.39
ARB16Stainless Steel1 1/4"Grade 316--€143.93
ARB21Stainless Steel1 1/2"Grade 316--€153.88
DIXON -

Rigid Male Pipe Fittings

StyleModelMaterialHose SizeGradeSizeConnection TypePrice
AMPB-12-12Brass-12---€43.44
AMPB-06-06Brass-6---€12.62
AMPB-08-08Brass-8---€19.58
AMPB-06-04Brass-6---€14.26
AMPB-05-04Brass-5---€9.97
AMPB-04-04Brass-4---€8.34
AMPB-08-06Brass----€19.53
BMPB-10-08Brass-10---€20.54
AMPB-04-02Brass-4---€7.99
AMPB-20Z-20Brass-20Z---€176.63
RFQ
AMPB-16-16Brass-16---€60.57
CMPC-06-06Carbon Steel-6---€11.80
DMPC-16-16Carbon Steel-16---€54.18
CMPC-04-04Carbon Steel-4---€9.39
CMPC-04-02Carbon Steel-4---€9.06
CMPC-05-04Carbon Steel-5---€11.31
CMPC-08-06Carbon Steel-8---€16.68
CMPC-12-12Carbon Steel-12---€28.71
DMPC-20Z-20Carbon Steel----€158.86
RFQ
CMPC-06-04Carbon Steel-6---€14.92
CMPC-10-08Carbon Steel-10---€29.62
CMPC-08-08Carbon Steel-8---€16.68
EMPC-T20Carbon Steel--1 1/4"-€68.39
FMPS-04-04Stainless Steel-4Grade 304--€20.25
GMPS-05-04Stainless Steel-5Grade 304--€19.03
DIXON -

90 Degree Elbows

StyleModelFitting ShapeMaterialFinishGradeThread TypeTube O.d.Working PressureAnglePrice
AB2F-G300-Stainless Steel-Grade 304---90°€192.98
BB2WCL-R50U-Stainless Steel-Grade 316L---90°€15.59
CFS6801-6-6-SteelZinc Plated---5000 psi-€12.50
DFS6500-8-8-SteelZinc Plated-Flat Face-6000 psi-€24.21
EFLC2501-08-06-Steel--NPTF1/2"--€23.04
EFLC2501-04-02-Steel--NPTF1/4"--€12.10
FEL9075FS-Steel-Grade 2000#NPT---€28.78
GEL90300G-IronGalvanized-NPT---€165.45
GEL90100G-IronGalvanized-NPT---€15.96
HB2S-G150U--------€23.21
IB2S-R150P-Stainless SteelPolishedGrade 316L-1 1/2"-90°€23.79
GEL90200G-IronGalvanized-NPT---€53.91
JEL90025SS-Stainless Steel-Grade 316NPT---€15.15
BB2WCL-G200U-Stainless Steel-Grade 304---90°€14.46
KB2CM-G150-Stainless SteelPolishedGrade 304----€67.33
LB2WCL-R400P-Stainless SteelPolishedGrade 316L-4"-90°€91.00
LB2WCL-G200P-Stainless SteelPolishedGrade 304---90°€20.54
MB3801-8-8-SteelZinc Plated---3000 psi-€20.14
RFQ
N90PPA200Type APolypropylene------€19.14
O200F90ALType FAluminum------€116.97
DIXON -

Threaded Adapters

StyleModelMaterialHex SizeConnection TypeShapePrice
A3750202CBrass9/16"Female NPTF x Male NPTFStraight€6.42
B3751212CBrass1 3/8"Female NPTF x Male NPTFStraight€37.11
B3750808CBrass1 1/16"Female NPTF x Male NPTFStraight€12.60
B3750602CBrass7/8"Female NPTF x Male NPTFStraight€17.90
B3751208CBrass-Female NPTF x Male NPTFStraight€19.88
A3750404CBrass3/4"Female NPTF x Male NPTFStraight€8.43
B3750806CBrass1 1/16"Female NPTF x Male NPTFStraight€11.48
B3751206CBrass1 3/8"Female NPTF x Male NPTFStraight€30.03
B3750804CBrass1 1/16"Female NPTF x Male NPTFStraight€12.54
B3750604CBrass-Female NPTF x Male NPTFStraight€8.17
B3750402CBrass3/4"Female NPTF x Male NPTFStraight€7.52
A3750606CBrass7/8"Female NPTF x Male NPTFStraight€9.68
C3750404CLFLead Free Brass3/4"--€21.16
D3750604CLFLead Free Brass7/8"--€24.09
C3750402CLFLead Free Brass3/4"--€20.87
C3750808CLFLead Free Brass1 1/16"--€32.92
D3751212CLFLead Free Brass1 3/8"--€39.30
DIXON -

Swivel Adapters

StyleModelConnection TypeMaterialFinishThread TypeWorking PressureShapeSeal MaterialThread AnglePrice
A6505-12-12--------€17.74
A6501-10-8--------€21.86
A6501-8-6--------€12.60
A6501-6-4--------€9.60
A6501-8-8--------€17.64
A6501-6-6--------€12.15
A6501-4-4--------€8.22
A6501-5-2--------€8.64
A6501-4-2--------€8.07
B6506-16-16-SteelZinc PlatedJIC Swivel NPTF2000 psi--37°€28.41
A6506-12-12--------€18.96
CSFSA5060S-Aluminum--150 psiStraightNitrile Rubber-€726.12
ASFSA3025F-Aluminum--150 psiStraightNitrile Rubber-€271.13
DSF250F-D-Brass-NPT-Straight--€221.83
ESF250F-P-BrassPolishedNPT-Straight--€195.67
A6505-12-8--------€22.11
FRSF25F15TFNPT x NSTBrass-NPT-Straight--€337.14
GN54L-60F40TFNPT x NSTAluminumAnodized, Hard CoatedNPT-Straight--€513.88
GN54L-60F50FNSTAluminumAnodized, Hard Coated------
RFQ
GN54L-25F25FNSTAluminumAnodized, Hard Coated-----€136.75
RFQ
DIXON -

Tees

StyleModelConnection TypeMaterialGradeFinishTube O.d.Thread TypeHex SizeShapePrice
A930-202001-Brass------€12.11
BT7RWWW-250200PL-Stainless SteelGrade 316LPL-SF1----€112.56
CT7IMPS-100150PL-Stainless SteelGrade 316L----Tee€283.42
DT7IMPS-050200PM-Stainless SteelGrade 316L----Tee€367.00
RFQ
ET7RWWW-400150PL-Stainless SteelGrade 316LPL-SF1----€216.74
FT7RWWW-300150PL-Stainless SteelGrade 316LPL-SF1----€109.65
RFQ
GT7RWWW-300075PL-Stainless SteelGrade 316LPL-SF1----€124.56
HT7RWWW-300100PM-Stainless SteelGrade 316LPM-SF4----€154.99
RFQ
IT7RWWW-300200PL-Stainless SteelGrade 316LPL-SF1----€114.85
RFQ
JT7RWWW-300050PL-Stainless SteelGrade 316LPL-SF1----€124.49
KT7RWWW-250150PL-Stainless SteelGrade 316LPL-SF1----€107.19
LT7IWWMS075150PM-Stainless SteelGrade 316L----Tee€261.68
MT7RWWW-250100PM-Stainless SteelGrade 316LPM-SF4----€162.18
NT7RWWW-250100PL-Stainless SteelGrade 316LPL-SF1----€103.68
OT7RWWW-250150PM-Stainless SteelGrade 316LPM-SF4----€161.52
PT7RWWW-250075PL-Stainless SteelGrade 316LPL-SF1----€104.33
QT7RWWW-250075PM-Stainless SteelGrade 316LPM-SF42 1/2" x 3/4"---€161.19
RT7RWWMS400300PM-Stainless SteelGrade 316L----Tee€279.83
RFQ
ST7RWWMS600400PM--------€2,083.04
RFQ
ST7RWWMS600300PM--------€2,083.10
RFQ
TT7IMPS-100200PL-Stainless SteelGrade 316L----Tee€328.10
RFQ
UT7IWWMS075150PL-Stainless SteelGrade 316L----Tee€174.74
RFQ
VT7RWWMS400300PL-Stainless SteelGrade 316L----Tee€252.67
WT7MPS-075PL-Stainless SteelGrade 316L----Tee€81.41
XT7MPS-150PM-Stainless SteelGrade 316L----Tee€148.20
DIXON -

Back Outlets

StyleModelMaterialShapeMax. Operating PressureOutlet SizeOutlet TypeInlet SizeInlet TypePrice
ADCS4030NYFDBrassY175 psi4"NPT3"NYFD€915.03
BDCS4025F-PBrassY-----€1,013.76
StyleModelMaterialShapePrice
ACDMHCB60230--€2,755.41
ACDMHCB40225BrassStraight€878.89
ACDMHCB60225BrassStraight€1,004.36
ACDMHCB40230BrassStraight€1,241.87
DIXON -

Stems

StyleModelMaterialMax. Operating PressureTube O.d.Connection TypeFinishThread TypeStyleSeal MaterialPrice
A1860404SBrass-------€20.13
A1860606SBrass-------€22.62
BTG160Carbon Steel-------€407.65
CTP128-42Carbon Steel360 psi----Standard-€326.04
RFQ
BTG20Carbon Steel-------€62.70
D63226008WP2Nylon-3/8"----EPDM€6.29
D63226060WP2Nylon-3/8"----EPDM€6.73
D63226260WP2Nylon-1/2"----EPDM€6.19
D63225656WP2Nylon-1/4"----EPDM€4.38
D63226056WP2Nylon-3/8"----EPDM€5.87
BTG40Plated Carbon Steel600 psi----Standard-€111.13
CTG128-42Plated Carbon Steel350 psi--Plated-Standard--
RFQ
CTG96-42Plated Carbon Steel400 psi--Plated-Standard-€195.68
CTM128-42Plated Carbon Steel350 psi--Plated-Standard--
RFQ
E188-12Steel--Hose Barb x MNPTPlatedNPTF--€29.40
E188-20Steel--Hose Barb x MNPTPlatedNPTF--€129.46
E188-32Steel--Hose Barb x MNPTPlatedNPTF--€211.68
E188-16Steel--Hose Barb x MNPTPlatedNPTF--€68.46
F188-24Steel--Hose Barb x MNPTPlatedNPTF--€158.83
EATON -

Crimp Hydraulic Hose Fittings with Flange Connection

StyleModelFor Hose Dash SizeFitting AngleFitting MaterialFitting ShapePrice
A4S12FHB12-1290°Carbon Steel-€179.05
A4S16FLB12-1290°Carbon Steel-€155.49
B4S16FL12-12-Carbon SteelStraight€124.93
A4S12FLB12-1290°Carbon Steel-€118.66
A4S20FLB16-1690°Carbon Steel-€258.62
B4S20FL16-16-Carbon SteelStraight€199.65
C4S32FLA32-3245°Carbon Steel-€531.07
DIXON -

Hose Menders

StyleModelConnection TypeFitting SizeFor Hose I.d.MaterialSizeHose Fitting B SizeHose Fitting A SizeBarb SizePrice
ADM100---Steel10"---€376.78
BDM6---Steel3/4"---€16.08
CDM26---Steel2"---€39.60
BDM31---Steel2 1/2"---€52.95
DRDM6---Stainless Steel3/4"---€99.14
DRDMA-1/4" x 1/4"-Stainless Steel1/4"1/4"1/4"1/4"€42.17
DRDMB-3/8" x 3/8"3/8"Stainless Steel3/8"3/8"3/8"3/8"€47.69
DRDM1-1/2" x 1/2"1/2"Stainless Steel1/2"1/2"1/2"1/2"€43.20
DRDM36-3" x 3"3"--3"3"3"€241.85
DRDM16-1 1/4" x 1 1/4"1 1/4"Stainless Steel1 1/4"1 1/4"1 1/4"1 1/4"€86.22
BDM16---Steel1 1/4"---€20.57
ADMXL21---Steel1 1/2"---€54.88
CDM21---Steel1 1/2"---€28.08
BDM11---Steel1"---€13.64
CDM1---Steel1/2"---€13.86
DRDM21---Stainless Steel1 1/2"---€125.03
ADM86---Steel8"---€264.24
ERM6---Stainless Steel3/4"---€53.83
BDM120---Steel12"---€517.47
FRDM26---Stainless Steel2"---€100.70
BDM66---Steel6"---€152.09
FRDM11---Stainless Steel1"---€72.84
DRDM46-4" x 4"4"Stainless Steel4"4"4"4"€328.28
BDM36---Steel3"---€46.42
BDM51---Steel5"---€161.45
DIXON -

Ground Joint Female Spuds

StyleModelThread TypeMaterialGradeShapePrice
ARGB13NPTStainless SteelGrade 316Straight€90.06
ARGB18NPTStainless SteelGrade 316Straight€154.11
ARGB23NPTStainless SteelGrade 316Straight€192.57
ARGB28NPTStainless SteelGrade 316Straight€190.35
BRGB8NPTStainless SteelGrade 316Straight€112.59
DIXON -

Ground Joint Stems

StyleModelSizeMaterialGradeShapePrice
ARGB211 1/2"Stainless SteelGrade 316Straight€133.23
BRGB161 1/4"Stainless SteelGrade 316Straight€132.91
ARGB111"Stainless SteelGrade 316Straight€116.11
ARGB262"Stainless SteelGrade 316Straight€177.56
BRGB63/4"Stainless SteelGrade 316Straight€91.51

Hydraulic Hose Fittings

Raptor Supplies offers an extensive line of hydraulic hose fittings such as adapters, sleeves, hoses, elbows, tees, reducers, couplings, flare nuts and compression tubes, from various brands like Eaton, Aeroquip, Parker, Enerpac and Adapt-All. They are used to connect hydraulic hoses to pumps, valves, cylinders and other components used in a hydraulic system and provide a secure connection for transfer of oil, air, gasoline and hydraulic fluids. They can also be used to create new hydraulic hose assemblies or to replace old and damaged fittings of an existing hose assembly. These hydraulic fittings are available in brass, carbon steel and steel materials with variants in diameters and connection types.

Frequently Asked Questions

What are the different thread types of hydraulic hose fittings?

  • NPT (National Pipe Thread): They have a tapered design and rely on the threads & sealant compound to create a leak-tight connection.
  • BSP (British Standard Pipe): They can be either parallel (BSPP) or tapered (BSPT). BSP threads often require the use of sealing washers or thread sealant to ensure a proper seal.
  • JIC (Joint Industry Council): They have a 37-degree flare angle and rely on a metal-to-metal seal created by the flared end of the fitting and the mating surface of the connection.
  • ORFS (O-Ring Face Seal): ORFS threads utilise an O-ring seal to create a leak-tight connection. They are commonly used in high-pressure hydraulic systems and provide good resistance to vibration and impulse.

How do I clean hydraulic hose fittings?

To remove dirt, debris or other contaminants, use a clean, lint-free cloth or a soft-bristled brush. To avoid damaging the fittings or maintain their integrity, avoid using abrasive materials or harsh chemicals.Q How do I install hydraulic hose fittings?

How do I select the right hydraulic hose fittings?

  • Ensure that the fittings are compatible with the type and size of the hydraulic hose you are using.
  • Consider the maximum operating pressure of your hydraulic system and choose fittings that can handle the required pressure without leaking or failing.
  • Determine the type of connection required on the other components in your system (threaded, flanged or quick-connect) and select fittings that match those connections.
  • Consider the fluid being transmitted through the hose and ensure that the fittings are made from materials compatible with that fluid.
  • Take into account the operating environment, including temperature, moisture and exposure to chemicals or other corrosive substances.