MA35N--FLUID POWER PRODUCTS, INCLUDING AEROSPACE: 1991 Contact person: Lynn Jedrey, 301-763-5547 Table 1. VALUE OF SHIPMENTS OF FLUID POWER PRODUCTS (INCLUDING AEROSPACE): 1983 TO 1991 (Value in thousands of dollars) Product Product Description 1991 1990 1989 1988 1987 1986 1985 1984 1983 Code Fluid power products, including aero- space. . . . . . . . . . . . . . . 6,538,343 7,207,248 6,914,781 6,784,522 6,165,700 5,109,816 4,916,192 4,717,597 3,864,830 34921 Hydraulic valves, nonaerospace type 607,941 r/663,093 628,762 615,379 553,611 487,624 498,766 493,942 417,009 34922 Pneumatic valves, nonaerospace type 448,057 458,252 462,899 444,813 391,570 382,508 405,589 468,988 360,324 34923 Aerospace type hydraulic and pneumatic valves. . . . . . . . . . . . . . 469,269 498,251 450,815 400,054 387,336 302,727 255,468 228,861 175,750 34924 Fittings for metal and plastic tubing used in fluid and power transfer systems (nonaerospace). . . . . . 474,919 499,944 504,717 459,658 398,331 372,791 384,168 389,462 317,730 34925 Hydraulic and pneumatic fittings and couplings for hose (nonaerospace). 568,036 620,162 625,012 649,286 605,429 458,989 439,841 425,958 333,537 34926 Hydraulic and pneumatic hose or tube end fitting and assemblies (aerosp 385,891 r/393,672 335,537 326,844 249,711 175,709 154,774 155,889 125,252 34927 Parts for hydraulic and pneumatic valves. . . . . . . . . . . . . . 163,662 208,545 205,772 218,947 183,338 145,016 123,661 123,241 100,397 35692 Filters for hydraulic and pneumatic fluid power systems. . . . . . . . 411,296 r/385,408 352,187 310,347 284,425 297,155 281,533 254,876 192,582 35931 Hydraulic and pneumatic cylinders and related items, (nonaerospace). . . 858,988 940,713 908,624 906,554 793,583 665,949 625,397 610,337 519,811 35932 Hydraulic and pneumatic cylinders and related items, (aerospace). . . . 503,315 636,340 646,414 635,801 637,327 535,873 479,988 329,557 310,633 35933 Parts for hydraulic and pneumatic cylinders, actuators, accumulators, cushions, and nonvehicular shock absorbers. . . . . . . . . . . . . 181,177 264,192 280,510 290,853 288,635 164,174 154,941 152,615 126,447 35941 Hydraulic fluid power pumps and mot 1,094,485 1,240,086 1,180,435 1,177,545 1,052,045 924,564 905,536 893,266 729,816 35942 Parts for pumps and motors. . . . . 371,307 r/398,590 333,097 348,441 340,359 196,737 206,530 190,605 155,542 r/Revised by 5 perent or more from previously published figures. 1/The Standard Industrial Classification System (SIC) was revised in 1987. Table 4 of the 1987 MA35N publication compares the current product codes with the previous coding system. Table 2. MANUFACTURES' SHIPMENTS OF FLUID POWER PRODUCTS (INCLUDING AEROSPACE), BY TYPE 1991 AND 1990 (Quantity in units; value in thousands of dollars) No. of 1991 1990 Product com- code Product description panies Quantity Value Quantity Value Fluid power products, including aer (X) (X) 6,538,343 (X) 7,204,856 3492 Hydraulic and pneumatic valves and part (X) (X) 1,688,929 (X) 1,828,141 Nonaerospace hydraulic and pneumatic (X) 35,531,968 1,055,998 38,208,818 1,121,345 34921 Hydraulic valves, excluding aerospa (X) 12,687,028 607,941 14,534,388 663,093 Directional control (two-, three- 34921 21 Manual . . . . . . . . . . . . 58 4,008,038 165,418 r/4,459,741 r/196,572 34921 23 Solenoid . . . . . . . . . . . 55 2,634,643 121,135 2,689,510 124,320 34921 25 Other, including mechanical and 33 795,295 38,679 991,668 r/ 41,685 34921 33 Pressure control . . . . . . . . 44 1,742,526 95,323 r/2,519,651 r/100,964 34921 35 Volume flow control . . . . . . . 47 2,238,427 62,858 r/2,517,067 r/ 61,789 34921 37 Servovalves. . . . . . . . . . . 18 98,337 37,963 81,986 39,124 34921 41 Combination . . . . . . . . . . . 13 363,896 32,895 r/339,137 33,717 34921 48 Other, including logic . . . . . 25 805,866 53,670 r/935,628 64,922 34922 Pneumatic (air) valves, excluding a (X) 22,844,940 448,057 23,674,430 458,252 Directional control: 34922 51 Manual. . . . . . . . . . . . . 45 2,746,770 59,457 2,877,444 60,210 34922 53 Solenoid . . . . . . . . . . . 45 6,389,350 225,125 6,825,885 219,854 34922 55 Other, including mechanical . . 28 1,829,354 34,761 r/1,824,926 r/33,785 Pressure control: 34922 61 Filter-regulator combination un 14 279,265 8,760 280,893 r/ 8,517 34922 62 Filter-regulator-lubricator com 13 2,684,623 31,112 r/2,959,129 r/44,899 34922 64 Other pressure control . . . . 15 3,983,450 50,019 4,184,125 52,926 34922 65 Volume flow control . . . . . . . 32 2,444,654 23,378 2,431,957 22,592 34922 69 Other, including logic and combin 20 2,487,474 15,445 2,290,071 15,469 34923 Aerospace type fluid power (hydraulic (X) 1,354,997 469,269 1,457,972 498,251 Hydraulic: Two-, three-, and four-way direct 34923 71 Manually or mechanically operat 16 131,303 34,154 183,110 r/44,540 34923 72 Solenoid operated . . . . . . . 22 89,803 53,494 r/82,554 66,122 34923 73 Motor operated . . . . . . . . 5 10,725 10,808 11,912 12,262 34923 74 Electrohydraulic servo valves . . 7 54,821 86,409 52,612 80,412 34923 75 Flow pressure, and other types of relief valves, fuses, pressure similar valves. . . . . . . . . 27 603,506 112,762 690,532 116,468 34923 79 Pneumatic valves, all types . . . . 26 464,839 171,642 437,252 178,447 Parts for hydraulic and pneumatic v 34927 96 Non-aerospace. . . . . . . . . . 78 (X) 97,701 (X) 112,397 34927 98 Aerospace. . . . . . . . . . . . 32 (X) 65,961 (X) 96,148 Fluid power fittings and assemblies (X) (X) 1,428,846 (X) 1,513,778 34924 Fittings for and assemblies of tubing power transfer systems (X) (X) 474,919 (X) 499,944 Fittings and couplings for tubing: Metal, flared types: 34924 11 Brass and bronze (SAE 45 degree 13 (X) 25,259 (X) 29,134 34924 13 Carbon steel (JIC 37 degrees) ( 19 (X) 46,025 (X) 57,559 34924 15 Other, including alloy steel (t 15 (X) 40,659 (X) 40,928 Metal, flareless types: 34924 21 Brass and bronze (thousand lbs. 24 (X) 136,242 (X) 152,440 34924 23 Carbon steel (thousand lbs.) . 21 (X) 35,878 (X) 38,544 34924 24 Stainless steel (thousand lbs.) 24 (X) 143,453 (X) 138,990 34924 28 Other, including alloy steel (t 15 (X) 10,541 (X) 11,169 34924 38 Nonmetal fittings, including plas 7 (X) 9,237 (X) 10,005 Assemblies (fittings and tubing tha tubing: 34924 41 Assemblies of tubing . . . . . . 11 (X) 12,234 (X) 9,679 34924 42 Assemblies of tubing and hose . . 5 (X) 15,391 (X) 11,496 34925 Fittings and couplings for hose (X) (X) 568,036 (X) 620,162 Hydraulic and pneumatic,except qu 34925 44 Permanent. . . . . . . . . . . 28 (X) 144,565 (X) 156,798 34925 46 Reusable. . . . . . . . . . . . 25 (X) 103,291 (X) 109,863 Quick Connect 34925 47 Hydraulic. . . . . . . . . . . . 24 (X) 74,780 (X) 79,725 34925 48 Pneumatic. . . . . . . . . . . . 23 (X) 56,029 (X) r/61,629 34925 49 Manifolds and manifold assemblies, 20 (X) 11,751 (X) 9,574 34925 50 All other, including steel adaptor fittings . . . . . . . . . . . . . 21 (X) 37,170 (X) 48,195 Assemblies of hose, hydraulic and pne (X) 34925 51 Permanent. . . . . . . . . . . . . 22 (X) 120,654 (X) 129,862 34925 53 Reusable. . . . . . . . . . . . . . 7 (X) 19,796 (X) 24,516 34926 Aerospace type fittings for and assem transfer systems (X) (X) 385,891 (X) 393,672 34926 61 Assemblies of hose and/or tubing . 10 (X) 103,844 (X) r/98,770 34926 62 Quick connect fittings, rotating, s 7 (X) 27,259 (X) r/27,436 34926 63 Manifolds and manifold assemblies, similar items installed . . . . . 10 (X) 40,250 (X) 45,683 34926 69 Fittings for hose and tubing,n.e.c. 23 (X) 214,538 (X) r/221,783 35692 Filters for hydraulic and pneumatic flu (X) (X) 411,296 (X) 385,408 Filters for hydraulic fluid power sys Hydraulic fluid filter assemblies, 35692 11 Low pressure (below 300 p.s.i.) . 31 731,178 33,941 929,441 36,132 35692 13 High pressure (300 p.s.i. and abo 20 277,217 23,205 328,559 25,811 Filter replacement elements: 35692 15 Reusable (cleanable) type . . . . 21 403,222 9,209 426,586 9,050 35692 17 Nonreusable type . . . . . . . . 31 11,934,838 117,186 r/11,899,035 95,365 35692 19 Strainers and separators, other con accessories . . . . . . . . . . . 32 (X) 38,225 (X) 30,299 Filters for pneumatic fluid power sys 35692 31 Air supply filter assemblies and fi excluding those shipped as part of combination unit (including parts) 24 (X) 82,764 (X) r/82,280 35692 39 Air exhaust mufflers, diffusers, fi devices . . . . . . . . . . . . . 18 (X) 12,637 (X) 12,281 35692 50 Filters and filter replacement elements and pneuamtic) systems, all types. 13 (X) 94,129 (X) r/94,190 3593 Hydraulic and pneumatic cylinders, actu shock absorbers, and parts (X) (X) 1,543,480 (X) 1,841,245 35931 Nonaerospace hydraulic and pneumatic and nonvehicular shock absorbers (X) (X) 858,988 (X) 940,713 Hydraulic and pneumatic cylinders ( (X) 15,299,836 744,919 15,324,385 824,006 Hydraulic cylinders (excluding el Tie-rod types: 35931 09 Standard NFPA and JIC tie-rod 33 284,190 92,591 384,421 r/99,703 35931 10 Other tie-rod types, includin 18 397,388 35,375 459,284 48,915 35931 12 Weld fused . . . . . . . . . . 44 874,251 125,132 r/1,012,957 145,999 35931 13 Telescoping . . . . . . . . . . 28 46,447 49,068 59,156 59,805 35931 14 Threaded . . . . . . . . . . . 35 607,110 141,168 r/846,408 r/179,312 35931 15 Mill type . . . . . . . . . . . 19 20,153 24,971 23,073 29,349 35931 16 Other, including combinations . 15 18,880 14,580 r/21,785 11,353 Pneumatic cylinders: 35931 21 Tie-rod types . . . . . . . . . 40 817,714 112,686 941,622 115,745 35931 22 Other . . . . . . . . . . . . . 54 12,233,703 149,348 11,575,679 133,825 Hydraulic and pneumatic actuators, shock absorbers: (X) 1,078,955 114,069 1,037,692 116,707 Hydraulic and pneumatic rotary ac 35931 25 Hydraulic rotary actuators . . 16 38,596 29,441 34,257 32,238 35931 26 Pneumatic rotary actuators . . 17 93,851 21,635 73,502 18,977 35931 31 Accumulators (fluid power) includ 26 80,739 30,754 85,473 r/33,032 35931 37 Shock absorbers, not for vehicle 11 35931 33 Cushions (fluid power), nonlinear 865,769 32,239 844,460 32,460 pneumatic, etc . . . . . . . . 1 35933 96 Parts for nonaerospace type fluid pow actuators, accumulators, cushions, a 86 (X) 135,724 (X) 147,733 35932 Aerospace type fluid power (hydraulic accumulators, cushions, and related (X) (X) 503,315 (X) 636,340 Hydraulic servo-actuator assemblies 35932 51 Mechanical input . . . . . . . . 6 32,462 136,488 24,876 151,135 35932 52 Electrical input . . . . . . . . 8 28,555 103,932 20,219 79,695 35932 55 Combination input . . . . . . . . 6 18,383 133,511 13,240 231,473 Hydraulic utility actuators: 35932 61 Linear actuators (cylinders) . . 15 15,270 38,189 r/17,153 r/45,596 35932 62 Rotary actuators (limited rotatio 2 270,726 20,330 238,477 26,961 35932 71 Shock absorbers, snubbers, and cush 12 35932 72 Pneumatic actuators and actuator as 11 11,148 20,352 23,114 48,141 35932 73 Accumulators and other hydraulic, p energy absorption and/or storage . 10 21,539 17,201 12,953 17,062 35932 74 Hydraulic fluid reservoirs and rese reservoirs, spring pressurized res with integral valves and/or filter 4 5,036 16,129 2,836 r/16,689 35932 79 Other aerospace type fluid power cy and related items n.e.c . . . . . 14 (X) 17,183 (X) r/19,588 35933 98 Parts for aerospace type fluid power accumulators, cushions, and related 21 (X) 45,453 (X) 116,459 3594 Fluid power pumps and motors, and parts (X) (X) 1,465,792 (X) 1,636,284 35941 Hydraulic and pneumatic fluid power p (X) (X) 1,094,485 (X) 1,237,694 Nonaerospace pumps: Pumps, variable displacement closed loop hydrostatic transmission type: 35941 14 Radial piston type AND. . . 2 267,464 109,625 344,222 121,854 35941 15 Axial piston type. . . . . 13 Pumps, variable displacement, o 35941 26 Radial piston type AND. . . 3 35941 27 Axial piston type. . . . . 14 147,712 88,138 r/235,861 r/117,787 Pumps, fixed displacement, open 35941 36 Radial piston type. . . . . . 5 52,958 24,167 54,657 22,255 35941 37 Axial piston type. . . . . . 17 143,525 54,920 114,700 52,837 Rotary types Variable displacement 35941 13 Closed loop vane type AND. . 1 35941 20 Open loop vane type. . . . . 5 25,206 11,894 29,360 13,452 Fixed displacement 35941 30 Internal gear type (including 20 806,288 102,468 r/1,039,889 128,033 35941 34 External gear type . . . . . 14 737,364 98,950 r/896,637 r/112,217 35941 35 Vane type . . . . . . . . . . 4 (D) (D) r/393,181 r/ 68,827 35941 39 Other rotary type pumps (except th 21 367,518 119,204 r/487,011 r/114,300 Hydraulic and pneumatic motors (co Shipped seperately: 35941 40 Pneumatic (air) motors . . . . 2 (D) (D) 2/132,540 2/11,792 Hydraulic motors 35941 41 Gear type, internal and exter 19 1,463,314 113,882 1,882,657 r/132,608 35941 42 Vane type, fixed and variable 8 16,216 11,810 18,228 11,979 35941 43 Radial piston type, fixed and 9 42,617 28,989 68,228 36,769 Axial piston type: 35941 44 Fixed displacement . . . 11 150,722 36,810 213,388 46,074 35941 45 Variable displacement . 8 16,455 14,265 25,323 22,469 35941 46 Other motors, n.e.c. . . . 2 (D) (D) (D) (D) 35941 50 Value of drivers shipped with pum 8 (X) 25,164 (X) 27,076 Aerospace: Hydraulic pumps: 35941 71 Fixed and variable displacemen 11 23,703 96,518 25,506 92,946 35941 72 Pump/electric motor assemblies 7 4,967 40,967 5,870 45,644 35941 73 Other pump packages n.e.c . . 6 5,776 11,697 5,734 18,745 Motors: 35941 83 Pneumatic (air) motors and mot - - - (2) (2) 35941 86 Hydraulic motors, fixed and va 3 (D) (D) 4,212 14,934 35941 87 Hydraulic motor packages, incl motor/generator, and similar 6 12,473 21,832 14,276 25,096 35942 Parts for pumps and motors (NA) (X) 371,307 (X) 398,590 Hydraulic: 35942 91 Nonaerospace . . . . . . . . . . 49 (X) 3/308,203 (X) 331,978 35942 93 Aerospace . . . . . . . . . . . 11 (X) 63,104 (X) 66,612 Pneumatic: 35942 95 Nonaerospace . . . . . . . . . . 1 (X) (3) (X) - 35942 97 Aerospace . . . . . . . . . . . - (X) - (X) - - represents zero (NA) Not available n.e.c. Not elsewhere classified pt. Partial r/Revised by 5 percent or more from previous published figures. (X) Not applicable. (D) Data withheld to avoid disclosing figures for individual companies. 1/Related data collected in the Census of Manufactures as aircraft hydraulic (SIC product code 37281 73 and 37281 75) and pneumatic (37281 83 and 37281 85) subassemblies. Data for 1987 totaled $1,332.1 million. Data for subsequent years are not available. 2/Pneumatic (air) motors for aerospace and nonaerospace were combined to avoid disclosure of individual company data. 3/Parts for nonaerospace pumps and motors for hydraulic and pnuematic were combined to avoid disclosure of individual company data. Table 4. SHIPMENTS, EXPORTS, IMPORTS, AND APPARENT CONSUMPTION OF FLUID POWER PRODUCTS: 1991 (Value in thousands of dollars) Exports of domestic Percent Percent merchandise 1 2/ exports to imports to Manufacturers' manu- apparent Product description shipments Estimated facturers' Imports for Apparent con- Product (value f.o.b. Value producers shipments consumption consumption sumption code plant) at port value 3/ (value) (value)1 4/ (value)5/ (value) Fluid power products 6/ . . . . . . 6,538,343 597,361 525,098 8.2 438,464 6,451,709 6.9 34921 Hydraulic valves, nonaerospace. . . . . . 607,941 34922 Pneumatic valves, nonaerospace. . . . . . 448,057 104,499 85,072 5.7 52,048 1,449,062 3.6 34923 Aerospace hydraulic and pneumatic valves. 469,269 34927 Parts for hydrualic and pneumatic valves. 163,662 38,153 31,060 18.8 40,970 175,136 23.3 34924 Fittings for metal and plastic tubing (including assemblies), nonaerospace. . . 474,919 34925 Fittings and couplings for hose (including assemblies), nonaerospace. . . 568,036 (NA) (NA) (NA) (NA) (NA) (NA) 34926 Aerospace finnings for tube and hose (including assemblies). . . . . . . . . . 385,891 35692 Filters for hydraulic and pneumatic fluid power systems. . . . . . . . . . . . . . 411,296 (NA) (NA) (NA) (NA) (NA) (NA) 35931 Hydraulic and pneumatic cylinders and related items, nonaerospace. . . . . . . 858,988 35932 Aerospace hydraulic and pneumatic cylinder 503,315 125,412 112,796 8.7 157,859 1,339,758 11.8 35933 Parts for hydraulic and pneumatic cylinder and related items. . . . . . . . . . . . 181,177 (NA) (NA) (NA) (NA) (NA) (NA) 35941 10 Fluid power pumps and motors. . . . . . . 1,094,485 185,609 166,937 15.4 102,616 1,016,606 10.1 35942 10 Parts for pumps and motors. . . . . . . . 371,307 143,688 129,233 34.8 84,971 326,697 26.0 (NA) Not available 1/For comparison of SIC-based codes with Schedule B export numbers and HTSUSA import numbers, see table 5. 2/Source: Bureau of the Census report, EM 545, U.S. Exports. 3/These values were derived by use of adjustment factors to exclude freight, insurance, and other charges incurred in moving goods to the port of export. This adjustment is made to convert the values to an approximation of the producers' value of exported goods. Current adjustment factors are based on data for 1987 which are published in Exports from Manufacturing Establishments, AR87-1, appendix b. An adjustment factor of 0.8141 was applied to products classified in 349--; and 0.8994 to products in 359--. 4/Source: Bureau of the Census report, IM 145, U.S. Impoorts for Consumption. 5/Apparent consumption is derived by subtracting exports from the sum of manufactures; shipments plus imports. 6/Totals exclude products (fittings and filters) for which there is not comparible data. erospace . . . . . . . . . . . 11 (X) 63,104 (X) 66,612