POK English catalogue (USA)

POK France - ZI Les Guignons - 10400 Nogent-sur-Seine - FRANCE Tel: +33 (0)3 25 39 84 78 - Fax: +33 (0)3 25 39 84 90 - Email: export@pok.fr - Web: www.pok.fr 306 Threads chart If a thread gauge and caliper are not available, and a sample cannot be sent, the following method can be used to obtain the correct outside diameter and pitch of the thread needed. 1 - Cut a strip of paper about 1.0” wide, long enough to wrap tightly around the circumference of the male thread and overlap at the ends. 2 - With a pin, pierce through both layers of the paper. 3 - Press your thumb firmly against the thread hard enough to make a thread impression on the strip. 4 - Remove the strip and circle the pinholes on the strip with a pencil. 5 - Divide the distance between the pinholes by 3.1416. The result is the ODM (outside diameter of the male). It is important that both the ODM and threads per inch (pitch) of the male part are given when ordering. Always include the paper strip with your correspondence. If not specified, "V" sharp thread will be furnished. Size National Standard NH Straight Iron Pipe NPSH New York City FD FDNY New York Corp NYC Pacific Coast PCT Chicago Fire Dept CFD British Standard BSP ODM TPI ODM TPI ODM TPI ODM TPI ODM TPI ODM TPI ODM TPI 3/4" 1.375 8 1.0353 14 1.0625 11 1.041 14 1" 1.375 8 1.295 11.5 1.660 8 1.3125 12 1.309 11 1 1/4" 1.6718 9 1.6399 11.5 1.860 11 1.650 11 1 1/2" 1.990 9 1.8788 11.5 2.100 8 2.093 11 2.100 11 1.933 11.5 1.882 11 2" 2.515 8 2.3528 11.5 2.561 11 2.550 10 2.347 11 2 1/2" 3.068 7.5 2.841 8 3.000 8 3.046 7.5 2.990 7.5 2.960 11 3" 3.6239 6 3.470 8 3.030 8 3.460 11 3 1/2" 4.2439 6 3.970 8 3.630 8 4.052 8 4" 5.0109 4 4.470 8 4.070 8 5.011 4 4.450 11 4 1/2" 5.7609 4 4.970 8 4.610 8 5.761 4 4.950 11 5" 6.260 4 5.535 8 5.800 4 6.260 4 5.450 11 6" 7.025 4 6.592 8 7.024 4 6.450 11 Size Lafrance Mack Truck King Seagrave American Marsh Pierre Thibault ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake 4" 5.085 4 0.050 4.999 4 0.050 4.938 4 0.050 4.995 4 0.050 4.660 5 0.045 4.5" 5.750 4 0.050 5.760 4 0.050 5.750 4 0.050 5.750 4 0.050 5.720 4 0.060 5" 6.150 4 0.050 6.230 4 0.050 6.073 4 0.050 6.062 4 0.050 6.240 4 0.035 6" 7.000 4 0.050 6.980 4 0.050 7.073 4 0.050 6.980 4 0.050 6.940 4 0.074 Size American Lafrance Hale Fire Pump Mack Truck Maxim Pirsch Thread Seagrave FWD Waterous Ward Lafrance ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake ODM TPI Shake 4" 5.085 4 0.050 5.010 4 0.050 5.0109 4 0.060 5.000 4 0.050 5.000 4 4.955 4 0.060 5.010 4 0.060 5.010 4 0.050 4.5" 5.760 4 0.050 5.760 4 0.050 5.760 4 0.050 5.750 4 0.050 5.750 4 5.760 4 0.060 5.760 4 0.050 5" 6.150 4 0.050 6.260 4 0.050 6.250 4 0.050 6.250 4 6.055 4 0.050 6.260 4 0.060 6.260 4 0.050 6" 7.000 4 0.050 7.025 4 0.050 6.955 4 0.050 7.000 4 0.050 7.000 4 7.055 4 0.050 7.261 4 0.060 7.025 4 0.050 ODM TPI AMA Alberta Mutual Aid 2.990 8 BCT British Columbia 3.000 8 CSA Canadian Standards Association -Ontario 3.125 5 QST Province of Quebec Standard 3.031 7 WCT Western Canada Fire Underwriters 3.250 6 NSC Nova Scotia - Zone 1 3.230 5 QMT Quebec/Montreal Combination 3.031 7 Canadian Suction Hose Suction Hose Threads Canadian Standard 2.5'' Hose Threads ODM = Outside Diameter of Male TPI = Thread per Inch.