SHIJIAZHUANG DEYE PIPING INDUSTRY CO., LTD（Pipefittings Department)
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SS201 SS304 SS316 50PSI NPT BSPT STAINLESS STEEL SCREWED THREADED PIPE FITTINGS
Class 150 hex head caps are also called hex. Plugs, they are stainless steel 304 or 316 cast pipe fitting with female National Pipe Taper (NPT) threads for stopping flow. the stainless steel castings confom to ASTM A351 ACI Grade CF8 (304) & ACI Grade CF8M (316), These hex head caps have NPT threads with standard of ASME B1.20.1 and BSPP BSPT DIN2999, The hex head plugs/caps threaded for creating tighter seals than straight threads.
The Class 150 hex head plugs are suitable for medium of air, water, oil, natural gas, steam , Maximum Pressure: 300 psi @ 72 F;150 psi @ 366 F for steam
Product Information/Product Description/Basis Information/Specification
| Descriptio | SS201 SS304 SS316 150# Stainless Steel screw plugs caps with NPT BSPT |
| Product name | threaded NPT BSPT 150PSI Elbows, Reducers, Coupling, Plug, Bushing, Union, Tee, cross, caps Stainless Steel Screwed Pipe Fittings Threaded Pipe Fittings Union, Hex Nipple, bushing, reducer socket, 45 90 degree elbow, Square Head plug, coupling, Y pipe joints tee |
| Size | 1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 4" 5" 6" 8" |
| Gasket | NBR, FKM |
| Thread | BSPT,BSPP, NPT,PS , DIN |
| Material | stainless steel201,202, stainless steel304, stainless steel 316 |
| Casting Method | Investment precision casting, CNC machine |
| Application | Oil, Water, Industrial, Chemical |
| Test pressure | Usually 150PSI |
| Package | pcs/polybag, polybag/carton, cartons/pallet or according to your requirement |
| Advantages | 1.OEM and Customized service can be provided |
| 2. With experience,quality guaranteed | |
| 3. Approved by ISO9001:2015 | |
| 4. With independent open mold capacity, OEM supposed |
Technology/ Technical Data Sheets
 | | | | | |
| 90° Elbow | 90° Street Elbow | 45° Elbow | |||
| | | | | |
| Tee | Cross | Hex. Nipple | |||
| | | | | |
| Hex. Plug | Square Plug | Hex. Cap | |||
| | | | | |
| Round Cap | Coupling (Socket) | Half Coupling | |||
| SIZE | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 | L9 | L10 | L11 | L12 |
| 1/8” | 16 | 18 | 16 | 17 | 25 | 22 | 18 | 17 | 13 | - | - | - |
| 1/4” | 19 | 19 | 19 | 20 | 30 | 30 | 18 | 21 | 15 | 15 | 25 | 11 |
| 3/8” | 24 | 20 | 25 | 24 | 34 | 31 | 19 | 23 | 17 | 17 | 26 | 12 |
| 1/2” | 25.5 | 20 | 28 | 26 | 37 | 35 | 22 | 24 | 19 | 17.5 | 32 | 15 |
| 3/4” | 29.5 | 23 | 32 | 30 | 43 | 39 | 24 | 25 | 18 | 20.5 | 33 | 17 |
| 1” | 36 | 26 | 39 | 36 | 51 | 45 | 27 | 27 | 20.5 | 23.5 | 38 | 19 |
| 1-1/4” | 43.5 | 30 | 45 | 44 | 59 | 48 | 26 | 34.5 | 22 | 25.5 | 44 | 22 |
| 1-1/2” | 46.5 | 33 | 49 | 47 | 64 | 50 | 29.5 | 35.5 | 23 | 26.5 | 44 | 23 |
| 2” | 55.5 | 38 | 57 | 54 | 74 | 57 | 32 | 36 | 25.5 | 28 | 50 | 25 |
| 2-1/2” | 66 | 45 | 69 | 66 | 90 | 64 | 36.5 | 43 | 28.5 | 31 | 58 | 29 |
| 3” | 74 | 52 | - | 74 | 99 | 70 | 37.5 | 46.5 | 30.5 | 33 | 66 | 33 |
| 4” | 90 | 64 | - | 90 | 115 | 79 | 42 | 52 | 38.5 | 37 | 72 | 36 |
Production Process
Common used Material Grade
SS316 Chemical Composition
ASTM A351 CF8M, SS316 Chemical Composition in %
| ASTM A351 CF8M, SS316 Chemical Composition in % | ||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | |
| Min. | 9.0 | 18.0 | 2.00 | |||||
| Max. | 0.080 | 1.500 | 0.040 | 0.040 | 1.500 | 12.0 | 21.0 | 3.00 |
SS316 Mechanical Properties of the Fittings at room temperature
| SS316/SS316L | Tensile Strength Rm (N/mm2) | Upper Yield Point ReH (N/mm2) min. | Elongation at rupture A5 (%) min. | Hardness Test (HRB) |
| Min. | 485 | 205 | 30 | |
| Max. | 80 |
SS304 Chemical Composition
| ASTM A351 CF8, SS304 Chemical Composition in % | ||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | |
| Min. | 8.0 | 18.0 | ||||||
| Max. | 0.080 | 1.500 | 0.040 | 0.040 | 2.000 | 11.0 | 21.0 | 0.50 |
SS304 Mechanical Properties of the Fittings at room temperature
| SS304/SS304L | Tensile Strength Rm (N/mm2) | Upper Yield Point ReH (N/mm2) min. | Elongation at rupture A5 (%) min. | Hardness Test (HRB) |
| Min. | 485 | 205 | 35 | |
| Max |
Application/ Usage:
Threaded pipe fittings are commonly used in Water gas pipes, small diameter water pipes, compressed air pipes and low-pressure steam pipes.