Each thread size has a defined number of threads per inch tpi, but several sizes have the same tpi. Brass pipe fitting, class 250, cross, 112 npt female. Use of thread sealant is recommended for npt male and npt female connection. Npt threads standard plastic cable glands mencom cable glands are easy to use and provide a good strain relief and water tight seal for round cables. Standard cleaning and packaging sc10 connection 2 size. Applicable tube inch size applicable thread npt onetouch fittings manifold serieskm rectangular multiconnector serieskdm electroless nickel plated 3 8 1 4 1 8 nylon soft nylon polyurethane 5 16 3 8 1 2 3 8 1 4 nylon soft nylon polyurethane page 2. For left hand threads, include lh to the designation. Sae national pipe thread fuel nptf npt meets sae j476 specifications and is used for petroleum and mineral oil based fluids in hydraulic applications. Stainless steel 304 pipe fitting 1 inch 4 way cross female npt class 150. Pipe pipe thread dimensions nominal pipe sizes do not match any of its actual physical dimensions. We do not use cookies for the processing, collection, or storage of personal data under any circumstances. Pvc schedule 80 pipe and fittings pvc schedule 40 pipe and. Male sae x male npt hoke cajon parker 4snp4 4sae14 no equilvalents 6snp6 6sae16 no equilvalents 8snp8 8sae18 no equilvalents 12snp12 12sae112 no equilvalents.
Double cone plug double cone plug flat bottom gasket flat top gasket male npt. Adapterscouplings adapterscouplings parker autoclave engineers offers a complete line of standard adapters and couplings as well as special designs and materials. High pressure carbon steel with zinc trivalent anticorrosion coating. Nptf and bspt dimensions male nptf female nptf table u22 nptf dimensions 1 for bottoming taps only. Npt, 38 cross union, 46 applicationspecific fittings kwikclamp flange to swagelok tube fitting, 47 orifice plate fitting, 48 boredthrough fittings for thermocouples, dip tubes, and heat exchanger tees, 20 tube adapters tube adapter information, 49 male npt and isobsp tapered thread rt, 50 isobsp parallel thread rs and rp, 51 saems straight. Our npt cross fitting 3000lb will be great for those tasks, as they are manufactured with high quality 316l grade stainless steel. Application guidelines for tapered threads straight connectors with npt ntpf 3414 and smaller straight connectors with 3414 npt nptf and smaller male pipe threads have very high pressure holding capability and seal. Technical data handbook for butt weld pipe fittings. American npt thread, though at the 12 and 34 size, they both have 14 threads per inch. Controlled truncation of threads mean the metaltometal thread seal is at root and crest of threads, in. Size inch 14 38 12 34 1 1 14 1 12 2 mm 6 10152025324050 a inch 3. The outside diameter of each pipe fitting must be measured and compared to the table for size identification. This dimensional catalog accurately reflects our product line at the.
Figure 1103r first size denotes female end size a j weight lbs nps in in black galv. National pipe thread npt parker autoclave engineers malefemale adapters are available in a onepiece design. If a reducing tee or cross were specified, each size must be in sequence. Threaded fittings class 150 conform to astm a351, asme b1. Figure 1103r first size denotes female end size a j weight lbs. Class 150 malleable iron threaded fittings have no pressure class markings. The angle between the taper and the center axis of the pipe is 1 47. If dimensions on your job are critical, please verify dimensional information with our factory. This cross is a class 250 brass pipe fitting with female national pipe taper npt threads on all four ends for connecting and branching four pieces of pipe. The nominal pipe size, number of threads per inch and the thread series. Npt product threads and gages are covered by our technical bulletin, npt taper pipe thread gages, which may be consulted for basic taper pipe gaging principles and to make comparisons to nptf. Until now, oring standards have left a gap between the 18 and 316 nominal cross sections. If you require a threaded connection for your pipework projects, or need to connect four pipes together. Ap adapter female npt same size male npt order by part number pipe size dimensions working pressure psig male a e min f hex brass 316ss 2ap 1.
Female npt tapered pipe thread is not available on hose swivel nuts. Description description description description description c. National standard taper pipe npt threads size chart. Flare fittings access valves finger tight quick seal cap machined to ari standards teflon seal on valve core. A b c mueller style wc402 connection c x f elkhart style 103 nibco style 9603 adapter female 1 4 x 1 2 w 01204 100 300. For tees that are the same pipe sizes on all ends the size designation is shown below. Cross union smithcooper international toll free 18007660076 fax 323 8904456. A 34 npt pipe thread has an outside diameter od of 1. Forged fittings, pipe fittings, forged pipe fittings. National standard taper pipe threads size npt chart includes both external and internal pipe thread data. Npt thread chart for basic dimensions of general purpose npt pipe threads inch. Male npt end connections have a chamfer at the inside diameter. The 116, 18, 14, and 38 sizes have a dissimilar pitch, which causes a misalignment of the threads. National standard taper pipe threads size npt chart.
Npttonpt cross stainless steel threaded fittings for. Npt threaded reducer hex ushings reducer hex bushings. History for over 150 years, anvil has been a trusted name in piping solutions by consistently providing quality products, service, and support to the pvf industry. Npt thread calculator for npt thread dimensions according to ansiasme b1. Dimensions and pressures for reference only, subject to change. How to determine npt national pipe thread size male npt is denoted as either mpt or mnpt female npt is either fpt or fnpt pipe thread sizes do not refer to any physical dimension. Class 300 malleable iron threaded fittings are marked with the numerals 300, the letters mi, and the size. Pipe sizes do not refer to any physical dimensions. Thread dimensions nominal dimensions of standard threads odm outside diameter of the male idf inside diameter of the female tpi threads per inch ght 34 1. The angle between the sides of the thread is 60 deg. It has npt threads for creating tighter seals than straight threads and is made from brass, which is more economical, and offers greater corrosion resistance than steel. Male npt flare to flare flare to female npt flare to metric straight thread flare to straight thread swivels. The cross has npt threads for creating tighter seals than straight threads. Threading all fittings shall be threaded with american national standard pipe threads ansiasme b1.
Pipe pipe thread dimensions nominal pipe sizes do not. Please contact us if you are looking for a size not shown in the 532 group. B 232 minneaplis, s 67467 rev id 0611 7 pipe thread basics. Npt thread chart national pipe thread taper npt is a u. F bushing g plug h 6 18 10 6 7 10 35 6 8 14 11 6 10 14 41 16 3 6 10 38 8 11 18 41 18 4 8 15 12 14 10 14 21 44 22 5 8 20 34 16 11 16 27 44 27 6 10. Text of the treaty the states concluding this treaty, hereinafter referred to as the parties to the treaty, considering the devastation that would be visited upon all mankind by a nuclear war and. First size the largest run 1 to 2 and then the branch 3 to 4. Nptf threads also known as dryseal are an mprovement to npt. The cable glands are rated up to ip 685 bar comparable to nema 6p. Npt thread chart for basic dimensions of general purpose npt pipe threads inch according to ansiasme b1. Npt, 38 cross union, 46 applicationspecific fittings kwikclamp flange to swagelok tube fitting, 47 orifice plate fitting, 48 boredthrough fittings for thermocouples, dip tubes, and heat exchanger tees, 20 tube adapters tube adapter information, 49 male npt and isobsp tapered thread rt, 50 isobsp parallel thread rs and rp, 51 saems. Table u23 bspt dimensions 1 for bottoming taps only. The parker cross is a brass cross shaped pipe fitting with four female national pipe taper npt threaded ends for connecting and branching a total of four pieces of male pipe. If you would like to prevent our website from using cookies or remove existing ones, you will need to adjust the cookies settings in your browser.
Nptf national pipe taper fuel threads have the same taper 34 per foot and 60. In designing this new group of orings, we left spacing in the part numbers to allow us to add additional sizes should they be required. Cross figure 3 maximum pressure rating is based on the lowest rating of any component. All dimensions are to the mss standard threaded fittings class 150 conform to astm a351, asme b1. Tapered socket dimensions pvc schedule 80 astm d 2467 pvc schedule 40 astm d 2466 american national standard taper pipe threads npt ansi asme b1.
National standard taper pipe npt threads size chart 116 0. Malefemale adapters are designed to join a female connection directly to another size andor type of connection without the need for an additional coupling. Get the best deals on npt to npt cross stainless steel threaded fittings when you shop the largest online selection at. Ductile iron flanged fittings when a ductile iron flanged fittings is wanted with a tapped connection, give the size of the tapping required, and designate its location by means of a letter selected from the correct view of the fittings in question. The flank angles of the threads are also different between npt and bsp. Lot of 2 cross 34 female npt 304 stainless steel 4way pipe fitting ansi 150. Pipe fitters handbook april 2012 for the most current productpricing information on anvil products, please visit our website at. Each thread size has a defined number of threads per inch tpi, or pitch. Dimensions height weight 24 % shorter dimensions length 23 % shorter lighter 57 %. Fastenal uses cookies to improve website user experience. Problems arise when threading a npt male thread form into a bsp female straight thread form. Use the size chart below for reference and see the next page for additional explanation.
Measure npt male thread od and npt female thread id at first full thread near end of fitting. They are identical to the two piece designs in length and can be ordered by adding the suffix op to the two piece adapter part numbers listed. Pipe pipe thread dimensions nominal pipe sizes do not match. Hoke cross reference 5 pipe fittings cross hoke cajon parker 2csp 2cs 22fx 4csp 4cs 44fx 6csp 6cs 66fx 8csp 8cs 88fx nipple.
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