A complete line of couplings and adapters with NPT threaded connections are now available. These fittings feature 316 cold-worked stainless steel construction, with other materials available. HiP maintains an inventory of these fittings for quick ship requirements.
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NPT Straight Couplings |
| Catalog No. |
Pressure
Rating
psi |
Connections |
A |
B |
Length |
Hex
Size |
| 15-21NFA |
15000 |
1/8” FEMALE NPT x 1/8” FEMALE NPT |
NFA |
NFA |
1 1/4" |
3/4" |
| 15-21NFB |
15000 |
1/4” FEMALE NPT x 1/4” FEMALE NPT |
NFB |
NFB |
1 3/4" |
1" |
| 15-21NFC |
15000 |
3/8” FEMALE NPT x 3/8” FEMALE NPT |
NFC |
NFC |
1 3/8" |
1" |
| 15-21NFD |
15000 |
1/2” FEMALE NPT x 1/2” FEMALE NPT |
NFD |
NFD |
1 7/8" |
1 3/8" |
| 10-21NFF |
10,000 |
3/4” FEMALE NPT x 3/4” FEMALE NPT |
NFF |
NFF |
2 1/2" |
1 3/8" |
| 10-21NFH |
10,000 |
1” FEMALE NPT x 1” FEMALE NPT |
NFH |
NFH |
2 1/2" |
1 3/4" |
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NPT Reducer Couplings |
| Catalog No. |
Pressure
Rating
psi |
Connections |
A |
B |
Length |
Hex
Size |
| 15-21NFBNFC |
15000 |
1/4” FEMALE NPT x 3/8” FEMALE NPT |
NFB |
NFC |
1 1/2" |
1" |
| 15-21NFBNFD |
15000 |
1/4” FEMALE NPT x 1/2” FEMALE NPT |
NFB |
NFD |
2" |
1 3/8" |
| 15-21NFCNFD |
15000 |
3/8” FEMALE NPT x 1/2” FEMALE NPT |
NFC |
NFD |
2" |
1 3/8" |
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Adapters: Male to Male NPT |
| Catalog No. |
Pressure
Rating
psi |
Connections |
A |
B |
Length |
Hex
Size |
| 15-21NMANMA |
15000 |
1/8” MALE NPT x 1/8” MALE NPT |
NMA |
NMA |
1 3/4" |
1/2" |
| 15-21NMBNMB |
15000 |
1/4” MALE NPT x 1/4” MALE NPT |
NMB |
NMB |
1 7/8" |
5/8" |
| 15-21NMCNMC |
15000 |
3/8” MALE NPT x 3/8” MALE NPT |
NMC |
NMC |
2" |
3/4" |
| 15-21NMDNMD |
15000 |
1/2” MALE NPT x 1/2” MALE NPT |
NMD |
NMD |
2 1/8" |
1" |
| 10-21NMFNMF |
10,000 |
3/4” MALE NPT x 3/4” MALE NPT |
NMF |
NMF |
2 3/8" |
1 1/8" |
| 10-21NMHNMH |
10,000 |
1” MALE NPT x 1” MALE NPT |
NMH |
NMH |
2 5/8" |
1 3/8" |
| 15-21NMBNMC |
15000 |
1/4” MALE NPT x 3/8” MALE NPT |
NMB |
NMC |
2" |
3/4" |
| 15-21NMBNMD |
15000 |
1/4” MALE NPT x 1/2” MALE NPT |
NMB |
NMD |
2" |
7/8" |
| 15-21NMCNMD |
15000 |
3/8” MALE NPT x 1/2” MALE NPT |
NMC |
NMD |
2" |
1" |
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Adapters: Female to Male NPT |
| Catalog No. |
Pressure
Rating
psi |
Connections |
A |
B |
Length |
Hex
Size |
| 15-21NFANMA |
15000 |
1/8” FEMALE NPT x 1/8” MALE NPT |
NFA |
NMA |
1 1/2" |
3/4" |
| 15-21NFANMB |
15000 |
1/8” FEMALE NPT x 1/4” MALE NPT |
NFA |
NMB |
1 3/4" |
3/4" |
| 15-21NFANMC |
15000 |
1/8” FEMALE NPT x 3/8” MALE NPT |
NFA |
NMC |
1 5/8" |
3/4" |
| 15-21NFANMD |
15000 |
1/8” FEMALE NPT x 1/2” MALE NPT |
NFA |
NMD |
1 3/4" |
7/8" |
| 15-21NFBNMA |
15000 |
1/8” FEMALE NPT x 1/8” MALE NPT |
NFB |
NMA |
1 5/8" |
3/4" |
| 15-21NFBNMB |
15000 |
1/4” FEMALE NPT x 1/4” MALE NPT |
NFB |
NMB |
1 5/8" |
1" |
| 15-21NFBNMC |
15000 |
1/4” FEMALE NPT x 3/8” MALE NPT |
NFB |
NMC |
1 5/8" |
1" |
| 15-21NFBNMD |
15000 |
1/4” FEMALE NPT x 1/2” MALE NPT |
NFB |
NMD |
1 3/4" |
1" |
| 15-21NFCNMB |
15000 |
3/8” FEMALE NPT x 1/4” MALE NPT |
NFC |
NMB |
1 7/8" |
1" |
| 15-21NFCNMD |
15000 |
3/8” FEMALE NPT x 1/2” MALE NPT |
NFC |
NMD |
1 3/4" |
1" |
| 15-21NFDNMA |
15000 |
1/2” FEMALE NPT x 1/8” MALE NPT |
NFD |
NMA |
2" |
1 3/8" |
| 15-21NFDNMB |
15000 |
1/2” FEMALE NPT x 1/4” MALE NPT |
NFD |
NMB |
2" |
1 3/8" |
| 15-21NFDNMC |
15000 |
1/2” FEMALE NPT x 3/8” MALE NPT |
NFD |
NMC |
1 3/4" |
1 3/8" |
| 15-21NFDNMD |
15000 |
1/2” FEMALE NPT x 1/2” MALE NPT |
NFD |
NMD |
2 1/4" |
1 1/8" |
| 10-21NFFNMD |
10,000 |
3/4” FEMALE NPT x 1/2” MALE NPT |
NFF |
NMD |
2 3/8" |
1 3/8" |
| 10-21NFFNMH |
10,000 |
3/4” FEMALE NPT x 1” MALE NPT |
NFF |
NMH |
2 3/8" |
1 3/8" |
| 10-21NFHNMD |
10,000 |
1” FEMALE NPT x 1/2” MALE NPT |
NFH |
NMD |
2 3/4" |
1 7/8" |
| 10-21NFHNMF |
10,000 |
1” FEMALE NPT x 3/4” MALE NPT |
NFH |
NMF |
2 3/4" |
1 7/8" |
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