Stainless Steel NPT Screwed Pressure Fittings

  • Manufactured to ASTM A182 ASME B16.11

  • NPT Thread, 3000lb and 6000lb rating

  • Grade 304/L and 316/L

● Stocked Item ○ Market Available

316 NPT Screwed Fittings

Size - Nominal Round Union 90º Elbow 45º Elbow
Inch (NPS)
 mm (DN)
 Coupling 3 Pce Female Female
    3000lb 3000lb 3000lb 3000lb
    FNCF316 FNUC316 FNE9316 FNE4316
⅛ 6 ○ ○ ○ ○
¼ 8 ● ○ ○ ○
⅜ 10 ● ○ ○ ○
½ 15 ● ● ● ●
¾ 20 ● ● ● ●
1 25 ● ● ● ●
1¼ 32 ● ● ● ●
1½ 40 ● ● ● ●
2 50 ● ● ● ●
3 80 ● ○ ● ○

 

 

Size - Nominal Tee Cap Hex Hex Hex Hex Round Hose
Inch (NPS)
 mm (DN)
 Female Female Nipple Nipple Plug Plug Cap Tail
    3000lb 3000lb 3000lb 6000lb 3/6000lb 3/6000lb 3000lb 150lb
            304 316    
    FNTE316 - FNNX FNNX FNNX FNPX FNRC3 FNHT
⅛ 6 ○ ○ ○ ○ ○ ○ ○ ○
¼ 8 ○ ○ ● ○ ○ ● ○ ○
⅜ 10 ○ ○ ● ○ ○ ● ○ ○
½ 15 ● ○ ● ● ● ● ● ○
¾ 20 ● ○ ● ○ ● ● ● ○
1 25 ● ○ ● ○ ● ● ● ○
1¼ 32 ● ○ ● ○ ● ● ● ○
1½ 40 ● ○ ● ○ ● ● ● ○
2 50 ● ○ ● ○ ● ● ● ●
3 80 ● ○ ● ○ ● ○ ○ ○

Size - Nominal Nipple Nipple
Inch (NPS)
 mm (DN)
 TBE TOE
    SCH 80 SCH 80
       
    FNNB316 FNNO316
⅛ 6 ○ ○
¼ 8 ○ ○
⅜ 10 ○ ○
½ 15 ● ○
¾ 20 ● ●
1 25 ● ●
1¼ 32 ● ●
1½ 40 ● ●
2 50 ● ●
3 80 ○ ○

 

 

 

Size Nominal Reducing Tee Hex Red Bush Hex Red Nipple Reduced Coupling
Inch (NPS) mm (DN) 3000lb 3/6000lb 3000lb 3000lb
    FNTR316 FNRB316 FNRN316 FNRC316
¼ x ⅛ 8 x 6 ○ ○ ○ ○
⅜ x ⅛ 10 x 6 ○ ○ ○ ○
⅜ x ¼ 10 x 8 ○ ● ○ ○
½ x ¼ 15 x 8 ○ ● ○ ○
½ x ⅜ 15 x 10 ○ ● ○ ●
¾ x ¼ 20 x 8 ○ ○ ○ ○
¾ x ⅜ 20 x 10 ○ ● ○ ○
¾ x ½ 20 x 15 ● ● ○ ●
1 x ¼ 25 x 10 ○ ○ ○ ○

 

Size - Nominal Reducing Tee Hex Red Bush Hex Red Nipple Reduced Coupling
Inch (NPS) mm (DN) 3000lb 3/6000lb 3000lb 3000lb
1 x ½ 25 x 15 ● ● ● ●
1 x ¾ 25 x 20 ● ● ○ ●
1¼ x ½ 32 x 15 ○ ● ○ ●
1¼ x ¾ 32 x 20 ● ● ● ●
1¼ x 1 32 x 25 ● ● ○ ●
1½ x ½ 40 x 15 ○ ● ● ●
1½ x ¾ 40 x 20 ○ ● ● ●
1½ x 1 40 x 25 ● ● ● ●
1½ x 1¼ 40 x 32 ● ● ● ●
2 x ½ 50 x 15 ○ ○ ● ●
2 x ¾ 50 x 20 ○ ○ ● ●
2 x 1 50 x 25 ○ ● ● ●
2 x 1¼ 50 x 32 ○ ● ● ● 
2 x 1½ 50 x 40 ○ ● ● ●

 

304 & 2205 NPT Screwed Fittings

Size - Nominal Round Union 90º Elbow 45º Elbow
Inch (NPS) mm (DN)
 Coupling 3 Pce Female Female Female
    3000lb 3000lb 3000lb 3000lb 3000lb
    304 304 304 2205 304
    FNCF304 FNU304 FNE9304 FNE92205 FNE304
⅛ 6 ○ ○ ○ ○ ○
¼ 8 ○ ○ ○ ○ ○
⅜ 10 ● ○ ○ ○ ○
½ 15 ● ● ● ● ●
¾ 20 ● ● ● ● ●
1 25 ○ ● ● ● ●
1¼ 32 ○ ● ● ● ●
1½ 40 ○ ● ● ● ●
2 50 ○ ● ● ● ●

 

 

Size - Nominal Tee Tee Hex Cap Hex Hex Hex Round
Inch (NPS) mm (DN)
 Female Female Female Nipple Nipple Plug 3000lb
    3000lb 3000lb 3000lb 3000lb 6000lb 3000lb 3000lb
    304 2205 304 304 304 304 304
    FNTE304 FNTE2205 - - FNNX3046 - FNCR304
⅛ 6 ○ ○ ○ ○ ○ ○ ○
¼ 8 ○ ○ ○ ○ ● ○ ○
⅜ 10 ● ○ ○ ○ ● ○ ○
½ 15 ● ● ○ ○ ● ○ ●
¾ 20 ● ● ○ ○ ○ ○ ●
1 25 ● ● ○ ○ ○ ○ ●
1¼ 32 ● ○ ○ ○ ○ ○ ○
1½ 40 ● ● ○ ○ ○ ○ ○
2 50 ● ● ○ ○ ○ ○ ○

 

 

Size Nominal Reducing Tee Reducing Tee Hex Red Bush Hex Red Bush Hex Red Nipple Reduced Coupling
Inch (NPS) mm (DN) 3000lb 3000lb 3/6000lb 3/6000lb 6000lb 3000lb
    304 2205 304 2205 304 304
    FNTR304 FNTR2205 FNRB304 FNRB2205 FNRN304 FNRC304
¼ x ⅛ 8 x 6 ○ ○ ○ ○ ○ ○
⅜ x ⅛ 10 x 6 ○ ○ ○ ○ ○ ○
⅜ x ¼ 10 x 8 ○ ○ ○ ○ ○ ○
½ x ¼ 15 x 8 ○ ○ ○ ○ ● ○
½ x ⅜ 15 x 10 ○ ○ ○ ○ ● ○
¾ x ¼ 20 x 8 ○ ○ ○ ○ ○ ○
¾ x ⅜ 20 x 10 ○ ○ ○ ○ ● ○
¾ x ½ 20 x 15 ● ● ● ○ ● ●
1 x ¼ 25 x 10 ○ ○ ○ ○ ○ ○

 

Size - Nominal Reducing Tee Reducing Tee Hex Red Bush Hex Red Bush Hex Red Nipple Reduced Coupling
Inch (NPS) mm (DN) 3000lb 3000lb 3/6000lb 3/6000lb 6000lb  3000lb
    304 2205 304 2205 304 304
1 x ½ 25 x 15 ● ● ● ● ○ ○
1 x ¾ 25 x 20 ● ● ● ● ○ ○
1¼ x ¾ 32 x 20 ● ● ○ ○ ○ ○
1¼ x 1 32 x 25 ● ● ● ● ○ ○
1½ x ¾ 40 x 20 ○ ○ ● ● ○ ○
1½ x 1 40 x 25 ● ● ● ● ○ ○
1½ x 1¼ 40 x 32 ● ● ● ● ○ ○
2 x ¾ 50 x 20 ○ ○ ○ ○ ○ ○
2 x 1 50 x 25 ○ ○ ● ● ○ ○
2 x 1¼ 50 x 32 ● ○ ○ ○ ○ ○ 
2 x 1½ 50 x 40 ● ○ ● ● ○ ○

 

NPT Technical Data

  6 8 10 15 20 25 32 40 50 65 80 100
Unit mm L L L L L L L L L L L L
90º Elbow 32 38 45 52 61 72 82 98 106 134 156 190
Coupling/Socket 32 35 38 48 51 60 67 79 86 92 108 121
Nipple - 26 36 40 48 52 - 60 62 - - -
Union 41 41 46 49 57 62 71 77 86 102 19  
Tee 42 50 56 66 76 88 102 120 128 166 190 228
Hex Cap 16 19 22 28 35 44 57 64 76 92 108 140
Hex Head Plug 16 17 21 22 26 29 35 37 40 46 51 57
Red Socket - - - - 27 28 32 33 38 48 54 60
Hex Red Bush - 14 17 19 22 25 28 29 31 37 38 45
Hex Red Nipple - 57 64 70 76 89 102 114 165 178 203 229

 

  6 8 10 15 20 25 32 40 50 65 80 100
Weight Kg L L L L L L L L L L L L
90º Elbow 0.1 0.14 0.29 0.43 0.69 1.14 1.42 2.63 2.92 5.99 8.88 14.6
Coupling/Socket 0.04 0.05 0.06 0.13 0.19 0.45 0.81 1.07 1.4 2.29 3.38 6.28
Nipple 0.03 0.04 0.05 0.09 0.15 0.47 0.45 0.62 1.03 1.51 2.22 4
Union 0.28 0.28 0.34 0.34 0.48 0.77 1.03 1.63 2.43 3.63 5.27 12
Tee 0.13 0.2 0.38 0.56 0.92 1.49 1.76 3.27 3.53 6.99 10.19 19.13
Hex Cap 0.02 0.04 0.06 0.11 0.18 0.37 0.62 0.72 1.09 2.22 3.5 4.84
Hex Head Plug 0.01 0.03 0.05 0.07 0.14 0.22 0.44 0.59 1.03 1.8 2.6 5.2
Red Socket Please Contact Us
Hex Red Bush - 0.01 0.01 0.03 0.05 0.09 0.25 0.34 0.45 0.6 1.16 3.2
Hex Red Nipple Please Contact Us