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Home /ONLINE CATALOGUE/FITTINGS FOR THE CHEMICAL AND FOOD INDUSTRY/S-LOK STAINLESS STEEL FITTINGS/STANDARD STAINLESS STEEL LOK FITTINGS
ONLINE CATALOGUE

STANDARD STAINLESS STEEL LOK FITTINGS

Characteristics
• All instrument nipples are designed in accordance with ASME B31.3 for instruments and processes.
• The male thread is protected with a cap.
• Internal and external surfaces without burrs.
• NPT threads are based on the requirements of ASME B1.20.1

SUITABLE FOR CONTACT WITH FOOD


¦ Pressure values
• Pressure ratings are for temperatures up to 100°F (37.8°C).
• Based on Pressure Pipe Code ASME B31.3 pressure rating is calculated with an allowable stress rating of 20,000psi for SS316, 10,000psi for brass, 20,000psi for mild steel.
• To determine working pressure in accordance with ASME B31.1 pipe code, multiply psi by 0.94. Brass pressure ratings remain the same.
• Due to the larger outside diameter of the female thread, the rating of the female is lower than the male threads.
• To determine kPa rating, multiply psi by 6.89.
• The pressure reducing rating of the hexagonal bushing (P-SHB) is not covered in this table. See pressure rating in dimensional data graph.

¦ Ordering information , example: P - SHN - 8N - S6


• Material ratings and material temperatures
  • 316 Stainless Steel (ASTM A479, ASTM A276, ASTM A182) -325? to 1200? (-198? to 648?)
  • Brass (ASTM B16, ASTM B453, ASTM B283) -325? to 400? (-198? to 204?)
  • Carbon Steel (ASTM A108, JIS G4051) -20? to 350? (-29? to 176?)
Catalogue

Products

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25 products
LOK STANDARD SGC - ISO parallel seal

LOK STANDARD SGC - ISO parallel seal

Code measure length diameter hole thickness npt mm mm mm sgc -2n 1/8" 18.0 10.0 2.0 sgc -4n 1/4" 22.0 14.0 2....

Product sheet
LOK STANDARD P-SUJ - NPT female ball joint coupling

LOK STANDARD P-SUJ - NPT female ball joint ...

Code hole diameter length npt mm p-suj-f -2n 1/8" 45.7 p-suj-f -4n 1/4" 59.4 p-suj-f -6n 3/8" 63.5 p-suj...

Product sheet
LOK STANDARD P-SMT - NPT male quick tee fitting

LOK STANDARD P-SMT - NPT male quick tee ...

Code screw diameter male length npt mm p-smt -2n 1/8" 19.05 p-smt -4n 1/4" 24.5 p-smt -6n 3/8" 26.9 p-sm...

Product sheet
LOK STANDARD P-SBT - Female to Male to Male NPT Quick Tee Fitting

LOK STANDARD P-SBT - Female to Male to Male ...

Code diameter hole/screw length female length male npt mm mm p-sbt -2n 1/8" 24.1 19.6 p-sbt -4n 1/4" 29.0 26....

Product sheet
LOK STANDARD P-SRT - Female to Male to Female NPT Quick Tee Fitting

LOK STANDARD P-SRT - Female to Male to Female ...

Code diameter hole/screw length female length male npt mm mm p-srt -2n 1/8" 24.1 19.6 p-srt -4n 1/4" 29.0 26....

Product sheet
LOK STANDARD P-ST - NPT female tee fitting

LOK STANDARD P-ST - NPT female tee fitting

Code hole diameter length npt mm p-st -2n 1/8" 24.1 p-st -4n 1/4" 29.0 p-st -6n 3/8" 34.5 p-st -8n 1/2&q...

Product sheet
LOK STANDARD P-SML - NPT male elbow

LOK STANDARD P-SML - NPT male elbow

Code screw diameter screw length screw hole npt mm mm p-srsl -4 -2n 1/8" 19.05 4.8 p-srsl -6 -4n 1/4" 24.5 7....

Product sheet
LOK STANDARD P-SRSL - Reducing female elbow with male NPT

LOK STANDARD P-SRSL - Reducing female elbow ...

Code female thread fillet steak male length swivel female length lives bspt npt mm mm p-srsl -4 -2n 1/4" 1/8"...

Product sheet
LOK STANDARD P-SSL - Female elbow with male NPT

LOK STANDARD P-SSL - Female elbow with male ...

Code fillet steak length swivel female length lives npt mm mm p-ssl - 2n 1/8" 24.1 19.6 p-ssl - 4n 1/4" 29.0 ...

Product sheet
LOK STANDARD P-SL - NPT female elbow

LOK STANDARD P-SL - NPT female elbow

Code fillet steak length npt mm p-sl - 2n 1/8" 24.1 p-sl - 4n 1/4" 29.0 p-sl - 6n 3/8" 34.5 p-sl - 8n 1/...

Product sheet
LOK STANDARD P-SHRC - NPT female hex sleeve with NPT female reducer

LOK STANDARD P-SHRC - NPT female hex sleeve ...

Code diameter hole diameter reduction length inches inches mm p-shrc - 4 -2n 1/4" 1/8" 31.2 p-shrc - 6 -4n 3/...

Product sheet
LOK STANDARD P-SHC - NPT female hex sleeve

LOK STANDARD P-SHC - NPT female hex sleeve

Code hole diameter length inches mm p-shc - 2n 1/8" 20.3 p-shc - 4n 1/4" 30.0 p-shc - 6n 3/8" 33.0 p-shc...

Product sheet
LOK STANDARD P-SP - NPT male plug

LOK STANDARD P-SP - NPT male plug

Code hole diameter length inches mm p-sp - 2n 1/8" 19.05 p-sp - 4n 1/4" 24.10 p-sp - 6n 3/8" 25 p-sp - 8...

Product sheet
LOK STANDARD P-SC - NPT female plug

LOK STANDARD P-SC - NPT female plug

Code hole diameter length inches mm p-sc - 2n 1/8" 19.1 p-sc - 4n 1/4" 22.9 p-sc - 6n 3/8" 26.2 p-sc - 8...

Product sheet
LOK STANDARD P-SHB - NPT male hex bush reduction with NPT female reduction

LOK STANDARD P-SHB - NPT male hex bush reduction ...

Code dn 1 npt male thread dn 2 npt female thread length hole internal inches inches mm mm p-shb - 4 - 2n 1/4" 1/8&...

Product sheet
LOK STANDARD P-MFAB - NPT female adapter with ISO male screw

LOK STANDARD P-MFAB - NPT female adapter ...

Code dn 1 npt female adapter dn 2 iso lives length internal forum inches inches mm mm p-mfab - 2gn 1/8" 1/8-28 228...

Product sheet
LOK STANDARD P-MFAA - NPT female adapter with male ISO tapered screw

LOK STANDARD P-MFAA - NPT female adapter ...

Code dn 1 npt female adapter dn 2 iso lives length internal forum inches inches mm mm p-mfaa - 2rn 1/8" 1/8-28 7/1...

Product sheet
LOK STANDARD P-MFRA - NPT female reduced adapter with NPT male screw

LOK STANDARD P-MFRA - NPT female reduced ...

Code dn 1 adapter dn 2 lives length hole internal inches inches mm mm p-mfra - 2 -4n 1/4" 1/8" 31.5 4.8 p-mfr...

Product sheet
LOK STANDARD P-MFAA - NPT female adapter with NPT male screw

LOK STANDARD P-MFAA - NPT female adapter ...

Code diameter length internal forum inches mm mm p-mfaa - 2n 1/8" 27.4 4.8 p-mfaa - 4n 1/4" 35.6 7.1 p-mfaa -...

Product sheet
LOK STANDARD P-SHLN - NPT male hex double long screw

LOK STANDARD P-SHLN - NPT male hex double ...

Code diameter internal forum inches mm p-shln - 2n 1/8" 4.8 p-shln - 4n 1/4" 7.1 p-shln - 6n 3/8" 9.7 p-...

Product sheet