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About Pipe and Fittings
Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Premium Low-Pressure Stainless Steel Threaded Pipe Fittings
Straight Connectors
304 Stainless Steel | 316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | Each | ||||
NPT Female | |||||||||
| 1/4 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N11 | 000000 | 5288N54 | 000000 | ||
| 3/8 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N12 | 00000 | 5288N55 | 00000 | ||
| 1/2 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N13 | 00000 | 5288N56 | 00000 | ||
| 3/4 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N14 | 00000 | 5288N57 | 00000 | ||
| 1 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N19 | 00000 | 5288N63 | 00000 | ||
Straight Adapters
Pipe Size | 304 Stainless Steel | 316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | Each | ||||
NPT Female × Butt Weld | ||||||||||
| 1/4 | 1/4 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N15 | 00000 | 5288N58 | 000000 | ||
| 3/8 | 3/8 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N16 | 00000 | 5288N59 | 00000 | ||
| 1/2 | 1/2 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N17 | 00000 | 5288N61 | 00000 | ||
| 3/4 | 3/4 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N18 | 00000 | 5288N62 | 00000 | ||
| 1 | 1 | 1000 | 1,000 psi @ 72° F | 650 psi @ 350° F | 5289N21 | 00000 | 5288N64 | 00000 | ||
Bushing Straight Reducing Adapters
Pipe Size | 316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | Pressure Class | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Male × NPT Female | |||||||||
| 1/4 | 1/8 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N11 | 00000 | ||
| 3/8 | 1/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N12 | 0000 | ||
| 1/2 | 1/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N13 | 00000 | ||
| 1/2 | 3/8 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N14 | 00000 | ||
| 3/4 | 1/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N15 | 00000 | ||
| 3/4 | 3/8 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N16 | 00000 | ||
| 3/4 | 1/2 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N17 | 00000 | ||
| 1 | 1/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N18 | 00000 | ||
| 1 | 1/2 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N19 | 00000 | ||
| 1 | 3/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N21 | 00000 | ||
| 1 1/4 | 1 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N22 | 00000 | ||
| 1 1/2 | 3/4 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N23 | 00000 | ||
| 1 1/2 | 1 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N24 | 00000 | ||
| 2 | 1 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N25 | 00000 | ||
| 2 | 1 1/2 | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N26 | 00000 | ||
Hex-Drive Plugs
![]() |
Male |
316 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
Pipe Size | Pressure Class | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male | |||||||
| 1/4 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N45 | 00000 | ||
| 3/8 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N46 | 0000 | ||
| 1/2 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N47 | 0000 | ||
| 3/4 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N48 | 00000 | ||
| 1 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N49 | 00000 | ||
| 1 1/4 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N51 | 00000 | ||
| 1 1/2 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N52 | 00000 | ||
| 2 | 150 | 270 psi @ 72° F | 150 psi @ 350° F | 5288N53 | 00000 | ||
External-Hex-Drive Plugs
![]() |
Male |
316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Construction | Pressure Class | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male | |||||||||
| 1/4 | Solid | 150 | Hex | 270 psi @ 72° F | 150 psi @ 350° F | 5288N36 | 00000 | ||
| 3/8 | Solid | 150 | Hex | 270 psi @ 72° F | 150 psi @ 350° F | 5288N37 | 0000 | ||
| 1/2 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N38 | 00000 | ||
| 3/4 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N39 | 00000 | ||
| 1 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N41 | 00000 | ||
| 1 1/4 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N42 | 00000 | ||
| 1 1/2 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N43 | 00000 | ||
| 2 | Solid | 1000 | Hex | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N44 | 00000 | ||
External-Square-Drive Plugs
316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Construction | Pressure Class | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male | |||||||||
| 1/4 | Solid | 150 | Square | 270 psi @ 72° F | 150 psi @ 350° F | 5288N27 | 00000 | ||
| 3/8 | Solid | 150 | Square | 270 psi @ 72° F | 150 psi @ 350° F | 5288N28 | 0000 | ||
| 1/2 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N29 | 00000 | ||
| 3/4 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N31 | 00000 | ||
| 1 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N32 | 00000 | ||
| 1 1/4 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N33 | 00000 | ||
| 1 1/2 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N34 | 00000 | ||
| 2 | Solid | 1000 | Square | 1,000 psi @ 72° F | 650 psi @ 350° F | 5288N35 | 00000 | ||
Precision Extreme-Pressure Stainless Steel Threaded Pipe Fittings
Straight Connectors
316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Lg. | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Male | ||||||||
| 3/4 | 12 | 1 1/2" | 7,300 psi @ 72° F | 7,300 psi @ 300° F | 4092K111 | 000000 | ||
Union Straight Connectors
316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Female | |||||||||
| 1/4 | 04 | 2 11/32" | Hex | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 48805K939 | 000000 | ||
| 3/8 | 06 | 2 1/2" | Hex | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 48805K941 | 00000 | ||
| 1/2 | 08 | 2 11/16" | Hex | 4,900 psi @ 72° F | 4,900 psi @ 300° F | 48805K942 | 00000 | ||
Straight Adapters with Gasket
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | Thread Size (A) | (A) | (B) | Lg. | Body Shape | Gasket Material | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Female × BSPP Male | |||||||||||||
| 1/8 | 1/8 | — | — | — | 63/64" | Hex | Fluoroelastomer | 5,300 psi @ 72° F | — | 4092K711 | 000000 | ||
| 1/4 | 1/4 | — | — | — | 1 5/16" | Hex | Fluoroelastomer | 5,500 psi @ 72° F | — | 4092K712 | 00000 | ||
| 3/8 | 3/8 | — | — | — | 1 13/32" | Hex | Fluoroelastomer | 4,400 psi @ 72° F | — | 4092K713 | 00000 | ||
| 1/2 | 1/2 | — | — | — | 1 47/64" | Hex | Fluoroelastomer | 4,000 psi @ 72° F | — | 4092K714 | 00000 | ||
| 3/4 | 3/4 | — | — | — | 1 57/64" | Hex | Fluoroelastomer | 3,700 psi @ 72° F | — | 4092K715 | 000000 | ||
| 1 | 1 | — | — | — | 2 3/32" | Hex | Fluoroelastomer | 2,800 psi @ 72° F | — | 4092K716 | 000000 | ||
NPT Male × BSPP Male | |||||||||||||
| 1/8 | 1/8 | — | — | — | 1 3/32" | Hex | Fluoroelastomer | 5,300 psi @ 72° F | — | 4092K911 | 00000 | ||
| 1/4 | 1/4 | — | — | — | 1 29/64" | Hex | Fluoroelastomer | 5,500 psi @ 72° F | — | 4092K912 | 00000 | ||
| 3/8 | 3/8 | — | — | — | 1 31/64" | Hex | Fluoroelastomer | 4,400 psi @ 72° F | — | 4092K913 | 00000 | ||
| 1/2 | 1/2 | — | — | — | 1 3/4" | Hex | Fluoroelastomer | 4,000 psi @ 72° F | — | 4092K914 | 00000 | ||
| 3/4 | 3/4 | — | — | — | 1 15/16" | Hex | Fluoroelastomer | 3,700 psi @ 72° F | — | 4092K915 | 00000 | ||
| 1 | 1 | — | — | — | 2 15/64" | Hex | Fluoroelastomer | 2,800 psi @ 72° F | — | 4092K916 | 000000 | ||
UN/UNF (SAE Straight) Male × NPT Male | |||||||||||||
| — | 1/2 | 3/4"-16 | 08 | 08 | 1 17/32" | Hex | Fluoroelastomer | 4,500 psi @ 72° F | 4,500 psi @ 300° F | 48805K943 | 00000 | ||
| — | 3/4 | 1 1/16"-12 | 12 | 12 | 1 3/4" | Hex | Fluoroelastomer | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 48805K944 | 00000 | ||
| — | 1 | 1 5/16"-12 | 18 | 18 | 2" | Hex | Fluoroelastomer | 2,900 psi @ 72° F | 2,900 psi @ 300° F | 48805K945 | 00000 | ||
Bushing Straight Reducing Adapters
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Male × NPT Female | |||||||||||
| 1 1/2 | 1/2 | 24 | 08 | 1 39/64" | Hex | 4,900 psi @ 72° F | 4,900 psi @ 300° F | 48805K931 | 0000000 | ||
| 2 | 1/2 | 32 | 08 | 1 53/64" | Hex | 4,900 psi @ 72° F | 4,900 psi @ 300° F | 48805K932 | 000000 | ||
| 2 | 3/4 | 32 | 12 | 1 53/64" | Hex | 4,600 psi @ 72° F | 4,600 psi @ 300° F | 48805K933 | 000000 | ||
90° Elbow Reducing Adapters
![]() |
Female x Male |
Pipe Size | Dash Size | 316 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Female × NPT Male | |||||||||
| 1/4 | 1/8 | 04 | 02 | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 48805K934 | 000000 | ||
| 3/8 | 1/4 | 06 | 04 | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 48805K935 | 00000 | ||
| 1/2 | 1/4 | 08 | 04 | 4,900 psi @ 72° F | 4,900 psi @ 300° F | 48805K936 | 00000 | ||
| 1/2 | 3/8 | 08 | 06 | 4,900 psi @ 72° F | 4,900 psi @ 300° F | 48805K937 | 00000 | ||
Hex-Drive Plugs
![]() |
Male |
316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Lg., mm | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPT Male | ||||||||
| 1/2 | 08 | 15.5 | 7,700 psi @ 72° F | 7,700 psi @ 300° F | 48805K938 | 000000 | ||
Extreme-Pressure Stainless Steel Threaded Pipe Fittings
Straight Connectors
316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Female | |||||||||
![]() Female | |||||||||
| 1/8 | 02 | 3/4" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K182 | 000000 | ||
| 1/4 | 04 | 1 1/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K212 | 00000 | ||
| 3/8 | 06 | 1 1/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K216 | 00000 | ||
| 1/2 | 08 | 1 1/2" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K223 | 00000 | ||
| 3/4 | 12 | 1 17/32" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K228 | 00000 | ||
| 1 | 16 | 1 57/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K231 | 000000 | ||
| 1 1/4 | 20 | 1 15/16" | Hex | 3,000 psi @ 72° F | 3,000 psi @ 300° F | 51205K185 | 000000 | ||
NPTF Male | |||||||||
![]() Male | |||||||||
| 1/8 | 02 | 1 1/16" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K471 | 00000 | ||
| 1/4 | 04 | 1 29/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K132 | 00000 | ||
| 3/8 | 06 | 1 29/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K135 | 00000 | ||
| 1/2 | 08 | 1 57/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K142 | 00000 | ||
| 3/4 | 12 | 1 31/32" | Hex | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 51205K203 | 00000 | ||
| 1 | 16 | 1 3/16" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K205 | 000000 | ||
| 1 1/4 | 20 | 2 31/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K207 | 000000 | ||
| 1 1/2 | 24 | 2 39/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K197 | 000000 | ||
Straight Adapters
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Female × NPTF Male | |||||||||||
| 1/8 | 1/8 | 02 | 02 | 1 3/64" | Hex | 6,500 psi @ 72° F | 6,500 psi @ 300° F | 51205K209 | 000000 | ||
| 1/4 | 1/4 | 04 | 04 | 1 25/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K311 | 00000 | ||
| 3/8 | 3/8 | 06 | 06 | 1 7/16" | Hex | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 51205K314 | 00000 | ||
| 1/2 | 1/2 | 08 | 08 | 1 7/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K321 | 00000 | ||
| 3/4 | 3/4 | 12 | 12 | 1 59/64" | Hex | 4,600 psi @ 72° F | 4,600 psi @ 300° F | 51205K325 | 000000 | ||
| 1 | 1 | 16 | 16 | 2 3/8" | Hex | 4,400 psi @ 72° F | 4,400 psi @ 300° F | 51205K328 | 000000 | ||
Straight Reducing Adapters
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Female × NPTF Male | |||||||||||
| 1/4 | 1/8 | 04 | 02 | 1 13/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K187 | 000000 | ||
| 3/8 | 1/8 | 06 | 02 | 1 1/4" | Hex | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 51205K312 | 00000 | ||
| 3/8 | 1/4 | 06 | 04 | 1 7/16" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K313 | 00000 | ||
| 1/2 | 1/8 | 08 | 02 | 1 1/2" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K315 | 00000 | ||
| 1/2 | 1/4 | 08 | 04 | 1 11/16" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K317 | 00000 | ||
| 1/2 | 3/8 | 08 | 06 | 1 11/16" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K319 | 00000 | ||
| 3/4 | 1/4 | 12 | 04 | 1 3/4" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K322 | 00000 | ||
| 3/4 | 3/8 | 12 | 06 | 1 59/64" | Hex | 4,600 psi @ 72° F | 4,600 psi @ 300° F | 51205K323 | 000000 | ||
| 3/4 | 1/2 | 12 | 08 | 1 15/16" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K324 | 00000 | ||
| 1 | 3/8 | 16 | 06 | 2" | Hex | 4,400 psi @ 72° F | 4,400 psi @ 300° F | 51205K326 | 000000 | ||
| 1 | 1/2 | 16 | 08 | 2 3/16" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K188 | 000000 | ||
| 1 | 3/4 | 16 | 12 | 2 3/16" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K327 | 000000 | ||
| 1 1/4 | 1 | 20 | 16 | 2 15/32" | Hex | 3,000 psi @ 72° F | 3,000 psi @ 300° F | 51205K189 | 000000 | ||
Bushing Straight Reducing Adapters
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male × NPTF Female | |||||||||||
| 1/4 | 1/8 | 04 | 02 | 55/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K342 | 000000 | ||
| 3/8 | 1/8 | 06 | 02 | 55/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K344 | 00000 | ||
| 3/8 | 1/4 | 06 | 04 | 55/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K346 | 00000 | ||
| 1/2 | 1/8 | 08 | 02 | 1 7/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K348 | 00000 | ||
| 1/2 | 1/4 | 08 | 04 | 1 7/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K351 | 00000 | ||
| 1/2 | 3/8 | 08 | 06 | 1 7/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K353 | 00000 | ||
| 3/4 | 1/4 | 12 | 04 | 1 11/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K355 | 00000 | ||
| 3/4 | 3/8 | 12 | 06 | 1 11/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K357 | 00000 | ||
| 3/4 | 1/2 | 12 | 08 | 1 11/64" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K359 | 00000 | ||
| 1 | 1/4 | 16 | 04 | 1 23/64" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K251 | 000000 | ||
| 1 | 3/8 | 16 | 06 | 1 23/64" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K198 | 000000 | ||
| 1 | 1/2 | 16 | 08 | 1 23/64" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K363 | 00000 | ||
| 1 | 3/4 | 16 | 12 | 1 23/64" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K365 | 00000 | ||
| 1 1/4 | 1 | 20 | 16 | 1 15/32" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K199 | 000000 | ||
| 1 1/2 | 1 | 24 | 16 | 1 37/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K252 | 000000 | ||
Straight Reducers
Pipe Size | Dash Size | 316 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(A) | (B) | (A) | (B) | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Female × NPTF Female | |||||||||||
![]() Female x Female | |||||||||||
| 1/4 | 1/8 | 04 | 02 | 3/32" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K183 | 000000 | ||
| 3/8 | 1/8 | 06 | 02 | 1 1/32" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K184 | 00000 | ||
| 3/8 | 1/4 | 06 | 04 | 1 1/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K214 | 00000 | ||
| 1/2 | 1/8 | 08 | 02 | 1 1/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K217 | 00000 | ||
| 1/2 | 1/4 | 08 | 04 | 1 3/8" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K218 | 00000 | ||
| 1/2 | 3/8 | 08 | 06 | 1 1/2" | Hex | 6,000 psi @ 72° F | 6,000 psi @ 300° F | 51205K221 | 00000 | ||
| 3/4 | 1/4 | 12 | 04 | 1 35/64" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K224 | 00000 | ||
| 3/4 | 3/8 | 12 | 06 | 1 3/4" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K225 | 000000 | ||
| 3/4 | 1/2 | 12 | 08 | 1 7/8" | Hex | 4,800 psi @ 72° F | 4,800 psi @ 300° F | 51205K226 | 000000 | ||
| 1 | 3/8 | 16 | 06 | 1 57/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K229 | 000000 | ||
| 1 | 1/2 | 16 | 08 | 1 15/16" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K232 | 000000 | ||
| 1 | 3/4 | 16 | 12 | 1 49/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K233 | 000000 | ||
| 1 1/4 | 1 | 20 | 16 | 1 15/16" | Hex | 3,000 psi @ 72° F | 3,000 psi @ 300° F | 51205K234 | 000000 | ||
NPTF Male × NPTF Male | |||||||||||
![]() Male x Male | |||||||||||
| 1/4 | 1/8 | 04 | 02 | 1 1/4" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K191 | 00000 | ||
| 3/8 | 1/8 | 06 | 02 | 1 9/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K192 | 00000 | ||
| 3/8 | 1/4 | 06 | 04 | 1 29/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K133 | 00000 | ||
| 1/2 | 1/8 | 08 | 02 | 1 33/64" | Hex | 7,700 psi @ 72° F | 7,700 psi @ 300° F | 51205K136 | 00000 | ||
| 1/2 | 1/4 | 08 | 04 | 1 45/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K139 | 00000 | ||
| 1/2 | 3/8 | 08 | 06 | 1 45/64" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K137 | 00000 | ||
| 3/4 | 1/4 | 12 | 04 | 1 25/32" | Hex | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 51205K201 | 00000 | ||
| 3/4 | 3/8 | 12 | 06 | 1 49/64" | Hex | 7,300 psi @ 72° F | 7,300 psi @ 300° F | 51205K143 | 00000 | ||
| 3/4 | 1/2 | 12 | 08 | 1 31/32" | Hex | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 51205K202 | 00000 | ||
| 1 | 3/8 | 16 | 06 | 1 61/64" | Hex | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 51205K147 | 000000 | ||
| 1 | 1/2 | 16 | 08 | 2 5/32" | Hex | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 51205K149 | 000000 | ||
| 1 | 3/4 | 16 | 12 | 2 3/32" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K204 | 000000 | ||
| 1 1/4 | 1 | 20 | 16 | 2 29/64" | Hex | 3,600 psi @ 72° F | 3,600 psi @ 300° F | 51205K206 | 000000 | ||
Hex-Drive Plugs
![]() |
Male |
316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Lg. | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male | ||||||||
| 1/8 | 02 | 19/64" | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K176 | 000000 | ||
| 1/4 | 04 | 29/64" | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K177 | 00000 | ||
| 3/8 | 06 | 29/64" | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K178 | 00000 | ||
| 1/2 | 08 | 39/64" | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K179 | 00000 | ||
| 3/4 | 12 | 5/8" | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 51205K181 | 00000 | ||
| 1 | 16 | 49/64" | 5,300 psi @ 72° F | 5,300 psi @ 300° F | 51205K208 | 00000 | ||
External-Hex-Drive Plugs
316 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Construction | Lg. | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Male | ||||||||||
| 1/8 | 02 | Solid | 9/16" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K392 | 000000 | ||
| 1/4 | 04 | Hollow | 3/4" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K391 | 00000 | ||
| 3/8 | 06 | Hollow | 25/32" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K393 | 00000 | ||
| 1/2 | 08 | Hollow | 31/32" | Hex | 7,200 psi @ 72° F | 7,200 psi @ 300° F | 51205K395 | 00000 | ||
| 3/4 | 12 | Hollow | 1 1/16" | Hex | 6,600 psi @ 72° F | 6,600 psi @ 300° F | 51205K396 | 00000 | ||
| 1 | 16 | Hollow | 1 1/4" | Hex | 5,400 psi @ 72° F | 5,400 psi @ 300° F | 51205K425 | 00000 | ||
External-Hex-Drive Plugs with Gasket
316 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Dash Size | Construction | Lg. | Body Shape | Gasket Material | Max. Pressure @ Temp. | Each | |||
UN/UNF (SAE Straight) Male | ||||||||||
| 3/8"-24 | 03 | Hollow | 39/64" | Hex | Fluoroelastomer | 9,000 psi @ 72° F | 51205K286 | 000000 | ||
| 7/16"-20 | 04 | Hollow | 43/64" | Hex | Fluoroelastomer | 9,000 psi @ 72° F | 51205K287 | 00000 | ||
| 1/2"-20 | 05 | Hollow | 43/64" | Hex | Fluoroelastomer | 7,200 psi @ 72° F | 51205K288 | 00000 | ||
| 9/16"-18 | 06 | Hollow | 47/64" | Hex | Fluoroelastomer | 7,200 psi @ 72° F | 51205K289 | 00000 | ||
| 3/4"-16 | 08 | Hollow | 51/64" | Hex | Fluoroelastomer | 7,200 psi @ 72° F | 51205K291 | 00000 | ||
| 7/8"-14 | 10 | Hollow | 15/16" | Hex | Fluoroelastomer | 7,200 psi @ 72° F | 51205K292 | 00000 | ||
| 1 1/16"-12 | 12 | Hollow | 1 3/32" | Hex | Fluoroelastomer | 7,200 psi @ 72° F | 51205K293 | 00000 | ||
| 1 5/16"-12 | 16 | Hollow | 1 1/8" | Hex | Fluoroelastomer | 6,600 psi @ 72° F | 51205K294 | 000000 | ||
Locknuts
![]() |
303 Stainless Steel | |||||||
|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Gasket Material | Max. Pressure @ Temp. | Each | |||
NPT Female | |||||||
| 1/8 | 02 | PTFE | 10,000 psi @ 72° F | 5530K37 | 000000 | ||
| 1/4 | 04 | PTFE | 10,000 psi @ 72° F | 5530K38 | 00000 | ||
| 3/8 | 06 | PTFE | 10,000 psi @ 72° F | 5530K39 | 00000 | ||
| 1/2 | 08 | PTFE | 10,000 psi @ 72° F | 5530K44 | 00000 | ||
| 3/4 | 12 | PTFE | 5,000 psi @ 72° F | 5530K45 | 000000 | ||
| 1 | 16 | PTFE | 5,000 psi @ 72° F | 5530K46 | 000000 | ||
| 1 1/4 | 20 | PTFE | 5,000 psi @ 72° F | 5530K47 | 000000 | ||
| 1 1/2 | 24 | PTFE | 3,000 psi @ 72° F | 5530K48 | 000000 | ||
High-Pressure Stainless Steel Threaded Pipe Fittings
Straight Connectors
![]() |
Female |
316 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Dash Size | Body Shape | Max. Pressure @ Temp. | Max. Steam Pressure @ Temp. | Each | |||
NPTF Female | ||||||||
| 1 1/2 | 24 | Hex | 2,400 psi @ 72° F | 2,400 psi @ 300° F | 51205K186 | 0000000 | ||


















































