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Threaded Pipe Fittings

dixonvalve.com • Customer Service: 877.963.4966

Pipe Fittings NPT Threaded Pipe Fittings Reducer Hex Bushings

150# iron HB2010

2

galvanized HB2010G

316 stainless steel HB2010SS

forged steel HB2010FS

brass HB2010B

Male NPT

Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/4" 3/8" 3/8" 1/2" 1/2" 1/2" 3/4" 3/4" 3/4" 3/4" 1" 1" 1" 1" 1" 1-1/4" 1-1/4" 1-1/4" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 2" 2" 2" 2" 2" 2-1/2" 2-1/2" 3" 3" 3" 3" 4" 4" 4" 4" 4" 5" 6" 6"

1/8" 1/8" 1/4" 1/8" 1/4" 3/8" 1/8" 1/4" 3/8" 1/2" 1/8" 1/4" 3/8" 1/2" 3/4" 1/2" 3/4" 1" 1/2" 3/4" 1" 1-1/4" 1/2" 3/4" 1" 1-1/4" 1-1/2" 1-1/2" 2" 1" 1-1/2" 2" 2-1/2" 1" 1-1/2 2" 2-1/2" 3" 4" 3" 4"

HB2518 HB3818 HB3825 HB5018 HB5025 HB5038 HB7518 HB7525 HB7538 HB7550 HB1018 HB1025 HB1038 HB1050 HB1075 HB1250 HB1275 HB1210 HB1550 HB1575 HB1510 HB1512 HB2050 HB2075 HB2010 HB2012 HB2015 HB2515 HB2520 HB3010 HB3015 HB3020 HB3025 HB4010 HB4015 HB4020 HB4025 HB4030 HB5040 HB6030 HB6040

HB2518G --HB3825G --HB5025G HB5038G --HB7525G HB7538G HB7550G --HB1025G HB1038G HB1050G HB1075G ----HB1210G --HB1575G HB1510G HB1512G HB2050G HB2075G HB2010G HB2012G HB2015G --HB2520G ----HB3020G ------HB4020G --HB4030G -------

HB2518SS --HB3825SS --HB5025SS HB5038SS --HB7525SS HB7538SS HB7550SS --HB1025SS HB1038SS HB1050SS HB1075SS --HB1275SS HB1210SS --HB1575SS HB1510SS HB1512SS --HB2075SS HB2010SS HB2012SS HB2015SS --HB2520SS ----HB3020SS HB3025SS ----HB4020SS --HB4030SS -------

HB2518FS --HB3825FS --HB5025FS HB5038FS --HB7525FS HB7538FS HB7550FS --HB1025FS HB1038FS HB1050FS HB1075FS --HB1275FS HB1210FS --HB1575FS HB1510FS HB1512FS --HB2075FS HB2010FS HB2012FS HB2015FS --HB2520FS ----HB3020FS HB3025FS --------HB4030FS -------

----------------------------------HB1210B --HB1575B HB1510B HB1512B HB2050B HB2075B HB2010B HB2012B HB2015B --------HB3020B HB3025B ----HB4020B --HB4030B -------

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Pipe Fittings Swivel Joints NPT Threaded Pipe Fittings Reducing Union

150# iron MIRU7550

Female NPT

150# Iron Part #

3/4" x 1/2"

MIRU7550

Threaded Unions

150# iron MIU150

galvanized TUN150G

316 stainless steel TUN150SS

forged steel TUN100FS

brass TUN8F

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability

Dixon

Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4"

MIU18 MIU25 MIU38 MIU50 MIU75 MIU100 MIU125 MIU150 MIU200 MIU250 MIU300 MIU400

------TUN050G TUN075G TUN100G TUN125G TUN150G TUN200G -------

--TUN025SS --TUN050SS TUN075SS TUN100SS TUN125SS TUN150SS TUN200SS -------

------TUN050FS TUN075FS TUN100FS --TUN150FS TUN200FS -------

--TUN2F TUN3F TUN4F TUN5F TUN6F TUN7F TUN8F TUN9F -------

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Pipe Fittings NPT Threaded Pipe Fittings Threaded Bell Reducers

150# iron BR1075

galvanized BR1075G

316 stainless steel BR1075SS

forged steel BR1075FS

brass BR1075B

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability

4

Female NPT

Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

3/8" 1/2" 1/2" 3/4" 3/4" 3/4" 1" 1" 1" 1" 1-1/4" 1-1/4" 1-1/4" 1-1/2" 1-1/2" 1-1/2" 2" 2" 2" 2" 2-1/2" 2-1/2" 2-1/2" 3" 3" 3" 3" 3" 4" 4" 4" 4" 4" 6" 6"

1/4" 1/4" 3/8" 1/4" 3/8" 1/2" 1/4" 3/8" 1/2" 3/4" 1/2" 3/4" 1" 3/4" 1" 1-1/4" 3/4" 1" 1-1/4" 1-1/2" 1" 1-1/2" 2" 1" 1-1/4" 1-1/2" 2" 2-1/2" 1" 1-1/2" 2" 2-1/2" 3" 3" 4"

--BR5025 BR5038 BR7525 BR7538 BR7550 BR1025 BR1038 BR1050 BR1075 BR1250 BR1275 BR1210 BR1575 BR1510 BR1512 BR2075 BR2010 BR2012 BR2015 BR2510 BR2515 BR2520 BR3010 BR3012 BR3015 BR3020 BR3025 BR4010 BR4015 BR4020 BR4025 BR4030 BR6030 BR6040

--BR5025G BR5038G ----BR7550G ----BR1050G BR1075G ----BR1210G --BR1510G BR1512G --BR2010G --BR2015G ------------BR3020G ----------BR4030G -----

BR3825SS BR5025SS BR5038SS --BR7538SS BR7550SS ----BR1050SS BR1075SS ----BR1210SS --BR1510SS BR1512SS --BR2010SS --BR2015SS ------------BR3020SS -----------------

----BR5038FS ----BR7550FS ------BR1075FS --------BR1510FS BR1512FS --BR2010FS --BR2015FS -------------------------------

----BR5038B ----BR7550B ------BR1075B ----BR1210B BR1575B BR1510B ----BR2010B --BR2015B ------------BR3020B ----------BR4030B -----

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Pipe Fittings Swivel Joints NPT Threaded Pipe Fittings Threaded Both Ends Couplings

150# iron RHC150

galvanized RHC150G

316 stainless steel RHC150SS

forged steel RHC150FS

brass RHC150B

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

RHC18 RHC25 RHC38 RHC50 RHC75 RHC100 RHC125 RHC150 RHC200 RHC250 RHC300 RHC400 RHC500 RHC600

--RHC25G RHC38G RHC50G RHC75G RHC100G RHC125G RHC150G RHC200G --RHC300G RHC400G -----

--RHC25SS RHC38SS RHC50SS RHC75SS RHC100SS RHC125SS RHC150SS RHC200SS --RHC300SS RHC400SS -----

--RHC25FS RHC38FS RHC50FS RHC75FS RHC100FS RHC125FS RHC150FS RHC200FS -----------

--RHC25B RHC38B RHC50B RHC75B RHC100B RHC125B RHC150B RHC200B -----------

90° Threaded Elbows

150# iron EL90150

galvanized EL90150G

316 stainless steel EL90150SS

forged steel EL90150FS

brass EL90150B

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability

Dixon

Female NPT

Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-12" 3" 4" 5" 6"

EL9018 EL9025 EL9038 EL9050 EL9075 EL90100 EL90125 EL90150 EL90200 EL90250 EL90300 EL90400 EL90500 EL90600

EL9018G EL9025G EL9038G EL9050G EL9075G EL90100G EL90125G EL90150G EL90200G -----------

EL9018SS EL90025SS EL90038SS EL90050SS EL90075SS EL90100SS EL90125SS EL90150SS EL90200SS --EL90300SS EL90400SS -----

--EL9025FS EL9038FS EL9050FS EL9075FS EL90100FS EL90125FS EL90150FS EL90200FS -----------

----------EL90100B --EL90150B EL90200B -----------

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5

Pipe Fittings NPT Threaded Pipe Fittings 45° Threaded Elbows

• 304 stainless steel and additional sizes are available, consult the factory for pricing and availability

150# iron EL45150

Female NPT

Female NPT

150# Iron Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

EL4518 EL4525 EL4538 EL4550 EL4575 EL45100 EL45125 EL45150 EL45200 EL45250 EL45300 EL45400 EL45500 EL45600



Side Outlet Elbows • 304 stainless steel and additional sizes are available, consult the factory for pricing and availability

150# iron SOE200

Female NPT

150# Iron Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"

SOE18 SOE25 SOE38 SOE50 SOE75 SOE100 SOE120 SOE150 SOE200



Reducing Elbows • 304 stainless steel and additional sizes are available, consult the factory for pricing and availability Female NPT

150# iron REL1525

6

1/4" 1/2" 1/2" 3/4" 1" 1" 1-1/4" 1-1/2" 1-1/2" 2" 2" 2-1/2" 3" 4" 4"

Female NPT 1/8" 1/4" 3/8" 1/2" 1/2" 3/4" 1" 1" 1-1/4" 1" 1-1/2" 2" 2" 2" 3" 877.963.4966



150# Iron Part # REL2518 REL5025 REL5038 REL7550 REL1050 REL1075 REL1210 REL1510 REL1525 REL2010 REL2015 REL2520 REL3020 REL4020 REL4030 Dixon

Pipe Fittings Swivel Joints NPT Threaded Pipe Fittings 45° Street Elbows

150# iron SE45150

galvanized SE45150G

• 304 stainless steel and additional sizes are available, consult the factory for pricing and availability NPT

150# Iron Part #

Galvanized Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4"

SE4518 SE4525 SE4538 SE4550 SE4575 SE45100 SE45125 SE45150 SE45200 SE45250 SE45300 SE45400

--SE4525G --SE4550G SE4575G --SE45125G SE45150G SE45200G SE45250G SE45300G SE45400G

90° Street Elbows

150# iron SE9015

galvanized SE9015G

316 stainless steel SE9012SS

forged steel SE9010FS

brass SE9012B

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability

Dixon

NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 6"

SE9018 SE9025 SE9038 SE9050 SE9075 SE9010 SE9012 SE9015 SE9020 SE90250 SE90300 SE90400 SE90600

SE9018G SE9025G SE9038G SE9050G SE9075G SE9010G SE9012G SE9015G SE9020G ---------

SE9018SS SE9025SS SE9038SS SE9050SS SE9075SS SE9010SS SE9012SS --SE9020SS ---------

--SE9025FS SE9038FS SE9050FS SE9075FS SE9010FS SE9012FS SE9015FS SE9020FS ---------

--------SE9075B SE9010B SE9012B SE9015B SE9020B ---------

877.963.4966

7

Pipe Fittings NPT Threaded Pipe Fittings Female Reducing Tees

150# iron FRT1210

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability Female NPT

Female NPT

150# Iron Part #

3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2" 3"

1/4" 3/8" 1/2" 1/2" 1" 1" 1" 1-1/2" 2"

FRT3825 FRT5038 FRT7550 FRT1050 FRT1210 FRT1510 FRT2010 FRT2015 FRT3020

Side Outlet Tees

150# iron SOT150

NPT

150# Iron Part #

1/2" 3/4" 1" 1-1/4" 1-1/2" 2"

SOT50 SOT75 SOT100 SOT120 SOT150 SOT200

Street Service Tees

150# iron SST100

8

NPT

150# Iron Part #

1/2" 3/4" 1" 1-1/2"

SST50 SST75 SST100 SST150 877.963.4966

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Pipe Fittings Swivel Joints NPT Threaded Pipe Fittings Female Tees

150# iron FT15

galvanized FT150G

316 stainless steel FT150SS

forged steel FT150FS

brass FT15B

Female NPT

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

Forged Steel Part #

Brass Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

FT18 FT25 FT38 FT50 FT75 FT10 FT120 FT15 FT200 FT250 FT30 FT40 FT500 FT60

--FT25G FT38G FT50G FT75G FT100G FT120G FT150G FT200G -----------

--FT25SS FT38SS FT50SS FT75SS FT100SS FT120SS FT150SS FT200SS -----------

--FT25FS --FT50FS FT75FS FT100FS FT120FS FT150FS FT200FS -----------

--------FT75B FT10B --FT15B FT20B -----------

Bull Head Tees

150# iron BHT1020

Dixon

Female NPT

Female NPT

150# Iron Part #

1/2" 1/2" 3/4" 1" 1" 1-1/2" 2"

3/4" 1" 1" 1-1/2" 2" 2" 2-1/2"

BHT1575 BHT1510 BHT7510 BHT1015 BHT1020 BHT1520 BHT2025

877.963.4966

9

Pipe Fittings NPT Threaded Pipe Fittings Square Head Plugs

150# iron SHP150

galvanized SHP1510G

316 stainless steel SHP100SS

forged steel SHP150FS

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability Size

150# Iron Part #

Galvanized Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

SHP18 SHP14 SHP38 SHP50 SHP75 SHP100 SHP125 SHP150 SHP200 SHP250 SHP300 SHP400 SHP500 SHP600

SHP18G SHP14G SHP38G SHP50G SHP75G SHP100G SHP125G SHP150G SHP200G SHP250G SHP300G SHP400G --SHP600G

316 Stainless Steel Part #

Forged Steel Part #

SHP18SS SHP14SS SHP38SS SHP50SS SHP75SS SHP100SS SHP125SS SHP150SS SHP200SS SHP250SS SHP300SS SHP400SS -----

--SHP14FS SHP38FS SHP50FS SHP75FS SHP100FS --SHP150FS ----SHP300FS -------

Crosses

150# iron MIC150

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability

10

Size

150# Iron Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4"

MIC18 MIC25 MIC38 MIC50 MIC75 MIC100 MIC125 MIC150 MIC200 MIC250 MIC300 MIC400 877.963.4966

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Pipe Fittings Swivel Joints NPT Threaded Pipe Fittings Caps

150# iron MICAP75

galvanized MICAP75G

316 stainless steel SSCAP75

• 304 stainless steel and other sizes are available, consult the factory for pricing and availability Size

150# Iron Part #

Galvanized Part #

316 Stainless Steel Part #

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6"

MICAP18 MICAP25 MICAP38 MICAP50 MICAP75 MICAP100 MICAP120 MICAP150 MICAP200 MICAP250 MICAP300 MICAP400 MICAP500 MICAP600

------MICAP50G MICAP75G -------------------

SSCAP18 SSCAP25 SSCAP38 SSCAP50 SSCAP75 SSCAP10 SSCAP12 SSCAP15 SSCAP20 -----------

Floor Flanges

iron FF50

Dixon

NPT

Iron Part #

1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"

FF14 FF38 FF50 FF75 FF100 FF120 FF150 FF200

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11

Pipe Fittings Extruded Brass NPT Threaded Pipe Fittings Reducer Hex Bushings • NPTF - Dryseal • reference SAE 130140 Female NPTF

Male NPTF

Brass Part #

Optional Pkg Qty

1/8" 1/8" 1/8" 1/8" 1/4" 1/4" 1/4" 1/4" 3/8" 3/8" 3/8" 1/2" 1/2" 3/4"

1/4" 3/8" 1/2" 3/4" 3/8" 1/2" 3/4" 1" 1/2" 3/4" 1" 3/4" 1" 1"

HB1F2M HB1F3M HB1F4M HB1F6M * HB2F3M HB2F4M HB2F6M HB2F8M * HB3F4M HB3F6M HB3F8M HB4F6M HB4F8M HB6F8M

25 25 25 25 25 25 25 25 25 25 25 10 10 10

Female NPTF

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2" 3/4"

EL1F1F EL2F2F EL3F3F EL4F4F EL6F6F

25 25 25 25 25

* SAE does not provide a standard for these sizes

90° Female Pipe Elbows • NPTF - Dryseal • reference SAE 130238

Reducer Hex Nipples • NPTF - Dryseal • reference SAE 130137

12

Male NPTF

Male NPTF

Brass Part #

Optional Pkg Qty

1/4" 3/8" 1/2" 1/2" 3/4"

1/8" 1/4" 1/4" 3/8" 1/2"

HN2M1M HN3M2M HN4M2M HN4M3M HN6M4M

25 25 25 25 25

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Pipe Fittings Extruded Brass NPT Threaded Pipe Fittings Reducer Couplings • NPTF - Dryseal (double female) • reference SAE 130138 Female NPT

Female NPT

Brass Part #

Optional Pkg Qty

1/4" 3/8" 1/2" 1/2" 3/4"

1/8" 1/4" 1/4" 3/8" 1/2"

RC2F1F RC3F2F RC4F2F RC4F3F RC6F4F

25 25 25 25 25

Reducer Adapters • NPTF - Dryseal • reference SAE 130139 Female NPT

Male NPT

Brass Part #

Optional Pkg Qty

1/8" 1/4" 1/4" 3/8" 3/8" 1/2" 1/2" 1/2" 3/4"

1/8" 1/8" 1/4" 1/4" 3/8" 1/4" 3/8" 1/2" 1/2"

RA1F1M RA2F1M RA2F2M RA3F2M RA3F3M RA4F2M RA4F3M RA4F4M RA6F4M

25 25 25 25 25 25 25 25 10

Couplings • NPTF - Dryseal • reference SAE 130138 Female NPT

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2" 3/4"

BA1F1F BA2F2F BA3F3F BA4F4F BA6F6F

25 25 25 25 25

Female Tees • NPTF - Dryseal • reference SAE 130438

Dixon

Female NPT

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2"

322-0202 322-0404 322-0606 322-0808

25 25 25 25

877.963.4966

13

Pipe Fittings Extruded Brass NPT Threaded Pipe Fittings 90° Street Elbows • NPTF - Dryseal • reference SAE 130239 Female NPTF

Male NPTF

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2"

1/8" 1/4" 3/8" 1/2"

SE1F1M SE2F2M SE3F3M SE4F4M

10 10 10 10

Male NPTF

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2" 3/4" 1"

BCN12 BCN25 BCN37 BCN50 BCN75 BCN100

100 100 50 25 100 50

Male NPT

Brass Part #

Optional Pkg Qty

1/8" 1/4" 3/8" 1/2" 3/4"

HHP1M HHP2M HHP3M HHP4M HHP6M

25 300 25 25 25

Hex Nipples • NPTF - Dryseal • reference SAE 130137

Hex Head Plugs

14

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Pipe Fittings Schedule 80 Threaded Polypropylene Pipe Fittings • glass-reinforced polypropylene for strength and durability • pressure rated to 150 PSI at 70°F • recommended operating pressure: 120 PSI at 0°F, 150 PSI at 70°F, 90 PSI at 150°F

Nipples NPT Size

Length

¾" ¾" 1" 1" 2" 2"

4" 6" 4" 6" 4" 6"

Schedule 80 Polypropylene Part # 62223 62224 62225 62226 62192 62193

King Nipples

NPT Size

Schedule 80 Polypropylene

1½" 2" 3" 4"

HB150 HB200 HB300 HB400

Part #

Reducer Nipples Schedule 80 Polypropylene

NPT Size ¾" 1" 1¼" 1½" 2"

x x x x x

Part # ½" ¾" 1" 1¼" 1½"

62233 62234 62235 62236 60549

Hex Nipples

Dixon

NPT Size

Schedule 80 Polypropylene

½" ¾" 1" 1¼" 1½" 2" 3"

62221 60554 60555 60556 60547 60548 61769 877.963.4966

Part #

15

Pipe Fittings Schedule 80 Threaded Polypropylene Pipe Fittings Pipe Caps NPT Size

Schedule 80 Polypropylene

¾" 1"

62250 62251

Part #

Reducer Bushings Schedule 80 Polypropylene

NPT Size ½" ¾" 1" 1" 1¼" 1¼" 1½" 1½" 1½" 2" 2" 2" 2" 3"

x x x x x x x x x x x x x x

Part # ¼" ½" ½" ¾" ¾" 1" ¾" 1" 1¼" ¾" 1" 1¼" 1½" 2"

62267 62272 62275 62276 62277 62278 62279 62280 62281 62195 62196 62197 62198 60330

Cross NPT Size

Schedule 80 Polypropylene

1"

62263

Part #

90° Street Elbows

16

NPT Size

Schedule 80 Polypropylene

½" ¾" 1" 1¼" 1½" 2" 3"

62243 62244 62245 62246 62247 62199 62248

Part #

877.963.4966

Dixon

Pipe Fittings Schedule 80 Threaded Polypropylene Pipe Fittings 90° Elbows NPT Size

Schedule 80 Polypropylene

½" ¾" 1" 1½" 2" 3"

62215 62216 62217 62219 62191 62220

Part #

Pipe Couplings NPT Size

Schedule 80 Polypropylene

¾" 1" 1½" 2"

62238 62239 62241 62194

Part #

Pipe Plugs NPT Size

Schedule 80 Polypropylene

¾" 1" 1¼" 1½" 2"

62256 62257 62258 62259 62201

Part #

Tees

Dixon

NPT Size

Schedule 80 Polypropylene

½" ¾" 1" 1¼" 1½" 2" 3"

62209 62210 62211 62212 62213 62190 62214

Part #

877.963.4966

17

Pipe Fittings Technical Information Threading Information Abbreviation

NPT

NPTF

System Name

Compatibility

Seal Method

male NPT with female NPT male NPT with female NPTF male NPT with female NPSM American Standard Taper Pipe male NPT with female NPSH Thread female NPT with male NPT (National Pipe Tapered) female NPT with male NPTF female NPT not compatible with male NPSM or male NPSH male NPTF with female NPTF male NPTF with female NPT male NPTF with female NPSM American Standard Taper Pipe Fuel male NPTF with female NPSH female NPTF with male NPTF Dryseal Thread female NPTF with male NPT (National Pipe Tapered) (Dryseal) female NPTF with male NPSM or NPSH Note: NPTF with NPTF threads do not require sealant for the initial use. After that, sealant is required.

thread thread washer washer thread thread thread thread washer washer thread thread not compatible

Thread Dimensions Nominal Dimensions of Standard Threads ODM -- Outside Diameter of the Male Size

Pipe O.D.

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6" 8" 10" 12"

.405 .540 .675 .840 1.050 1.315 1.660 1.900 2.375 2.875 3.500 4.500 5.563 6.625 8.625 10.750 12.750

IDF -- Inside Diameter of the Female

Tapered Thread

TPI -- Threads Per Inch

Straight Thread

NPT TPI

TPI

27 18 18 14 14 11.5 11.5 11.5 11.5 8 8 8 8 8 8 8 8

27 18 18 14 14 11.5 11.5 11.5 11.5 8 8 8 8 8

NPSM ODM (max) 0.397 0.526 0.662 0.823 1.034 1.293 1.638 1.877 2.351 2.841 3.467 4.466 5.528 6.585

IDF (min) 0.358 0.468 0.603 0.747 0.958 1.201 1.546 1.785 2.259 2.708 3.334 4.333 5.395 6.452

Normal Engagement Length of NPT Thread in Inches (A) * Thread Size

"A"

Thread Size

"A"

1/8" 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"

1/4" 3/8" 3/8" 1/2" 9/16" 11/16" 11/16" 11/16" 3/4"

2-1/2" 3" 4" 5" 6" 8" 10" 12"

15/16" 1" 1-1/8" 1-1/4" 1-5/16" 1-7/16" 1-5/8" 1-3/4"

* Dimensions given do not allow for variations in tapping or threading. 18

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Pipe Fittings Technical Information Thread Sealing Tips

thread seal

washer seal

• A seal is obtained by applying a sealant to the male thread before engaging. • The sealant is used to prevent spiral leakage. • Thread tape or paste is the preferred sealant in this type of application.

• •

A seal is obtained when the male thread is tightened down onto the washer of the female assembly. The washer should be inspected regularly and replaced as needed to prevent leakage.

Sealing NPT threads can be an exasperating experience if certain techniques are not followed. The following tips will help alleviate many common problems in thread sealing: 1. Always use some type of sealant (tape or paste) and apply sealant to male thread only. If using a hydraulic sealant, allow sufficient curing time before system is pressurized. 2. When using tape sealant, wrap the threads in a clock-wise motion starting at the first thread and, as layers are applied, work towards the imperfect (vanishing) thread. If the system that the connection being made to cannot tolerate foreign matter (i.e. air systems), leave the first thread exposed and apply the tape sealant as outlined above. 3. When using paste sealant, apply to threads with a brush, using the brush to work the sealant into the threads. Apply enough sealant to fill in all the threads all the way around. 4. When connecting one stainless steel part to another stainless steel part that will require future disassembly, use a thread sealant that is designed for stainless steel. This stainless steel thread sealant is also useful when connecting aluminum to aluminum that needs to be disconnected in the future. These two materials gall easily, and if the correct sealant is not used, it can be next to impossible to disassemble. 5. When connecting parts made of dissimilar metals (i.e. steel and aluminum), standard tape or paste sealant performs satisfactory. 6. For sizes 2" and below, tape or paste performs satisfactory. When using thread tape, four wraps (covering all necessary threads) is usually sufficient. 7. For sizes 2½" and above, thread paste is recommended. If thread tape is used, eight wraps (covering all necessary threads) is usually sufficient. Apply more wraps if necessary. 8. For stubborn to seal threads, apply a normal coating of thread paste followed by a normal layer of thread tape. 9. For extremely stubborn to seal threads, apply a normal coating of thread paste followed by a single layer of gauze bandage followed by a normal layer of thread tape. Caution! When this procedure is done, the connection becomes permanent. Extreme measures will be necessary to disconnect these components. All other measures to seal the threads should be explored prior to use of this technique.



10.Over-tightening threads can be just as detrimental as insufficient tightening. For sizes 2" and below, hand tighten the components and, with a wrench, tighten 3 full turns. For sizes 2½" and above, hand tighten the components and, with a wrench, tighten 2 full turns.





Safety Dixon's couplings and retention devices are designed to work safely for their intended use. The selection of the proper hose, coupling and retention device, and the proper application of the coupling to the hose are of utmost importance. Users must consider the size, temperature, application, media, pressure and hose and coupling manufacturer's recommendations when selecting the proper hose assembly components. Dixon recommends that all hose assemblies be tested in accordance with the Rubber Manufacturers Association's recommendations and be inspected regularly (before each use) to ensure that they are not damaged or have become loose. Visit RMA.org for more information. Where safety devices are integral to the coupling, they must be working and utilized. The use of supplementary safety devices such as safety clips or safety cables are recommended. If any problem is detected, couplings must be removed from service immediately. Dixon is available to consult, train and recommend the proper selection and application of all fittings we sell. We strongly recommend that distributors and end users make use of Dixon's Testing and Recommendation Services. Call 877-963-4966 or click dixonvalve.com to learn more.

Dixon

877.963.4966

19



Through its divisions and affiliated companies, Dixon is recognized as the premier manufacturer and supplier of hose fittings and accessories spanning a wide range of industrial uses. Dixon’s reach includes products for food, dairy processing, beverage and brewery, mobile tankers, mining, construction, chemical processing, petroleum, oilfields, refining and manufacturing.

dixonvalve.com • Customer Service: 877.963.4966

Dixon Valve 800 High Street, Chestertown, MD 21620 ph: 877.963.4966 fx: 800.283.4966

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