h Technical Product Data FW Pressure Pipe Systems

h Technical Product Data FW Pressure Pipe Systems

E Engineering GmbH All rights reserved. Publication: 10/2012 All rights reserved. No part of this document may be reproduced or utilized in any form or by any means without our prior written permission. All information in the document is correct at the time of going to press. However, we reserve the right to make changes without notice, in particular to technical data. The data given is not binding and must therefore be checked in each individual case and revised as appropriate.

HOBAS FW Pressure Pipe Systems HOBAS supplies various kinds of industries where a large variety of operating conditions call for chemically, mechanically and thermally resistant pipelines, vessels and process equipment. HOBAS Industrial Products are made from GRP (Glass Fiber Reinforced Plastic) which can be optionally equipped with a thermoplastic liner. According to specifications and customer requirements, products are manufactured by filament winding or hand lamination. Fields of application: Chemical Industry Metal Industry Power Industry Textile, Paper and Pulp Industry Mining Industry Semiconductor Industry Sea Water Desalination Plastics Industry Air Treatment Standard product range Nominal Diameter [DN] Nominal Pressure [PN] Temperature range Pipe systems - 0 1 - up to 160 C (higher temperatures on request) - Pipes, Joints, Fittings (DIN 169/66: Pipe Type D, E, N, B) - Vessels for acids and bases - Bio Reactors - Chlorine Drying Towers Process equipment according to PED (Process Equipment Directive) - Cyclones - Ducting - Electro Filters - Scrubbers - Double Chamber Storage Tanks for chemicals - Customized Shapes and Configurations - PVC - Polyvinyl chloride (chlorinated PVC-C, unplasticized PVC-U) - PE-HD - High Density Polyethylen PVC-C - Chlorinated polyvinyl chloride - PP - Polypropylene Thermoplastic Liner - PVDF - Polyvinylidene fluoride - ECTFE - Ethylene chlorotrifluoroethylene - FEP - Fluorinated ethylene propylene - PFA - Perfluoroalkoxy 3

Abbreviations: b Flange sheet, loose flange D Outer flange diameter di Inner pipe diameter DIN German Institute for Standardization DN Nominal Diameter s4 Pipe wall thickness (Pipe Type B without thermoplastic liner) s3 Structure laminate s2 Chemical protection layer s1 Thickness of thermoplastic liner (for Pipe Type B) FW Filament Winding k Bolt circle diameter L Length PN Nominal Pressure R Radius GRP Glass fiber plastic (glass fiber reinforced unsaturated polyester resin) 4

A A41 Overview Pipes and Wall Structure Pipes and Fittings PIPES A42 A43 A44 A44 Pipe Type D Pipe Type E Pipe Type N Pipe Type B PIPE JOINTS B41 B42 Laminated Joint Pipe Type D / E / N Laminated and Welded Joint Pipe Type B FITTINGS C41 C42 C43 C43 C44 C44 C45 C45 Radiused Bends D / E / N / B Miter Bends D / E / N / B T-piece D / E / N / B DN -0 T-piece D / E / N / B DN -0 Reducers D / E / N / B DN -0 Reducers D / E / N / B DN -0 Fixed Flange D / E / N / B Stub Flange D / E / N / B PROCESS EQUIPMENT D41 D42 D43 D44 D45 Storage Tank Absorber Cyclone GRP Header Pipe Spool Manufacture ACCESSORIES E41 E42 E43 SMC Loose Backing Ring SMC Stub Flange SMC Blind Flange F41 Material Specifications 5

Overview Pipes and Wall Structure A Pipe Type D in compliance with DIN 169, part 4 Chemical protection layer s2 Structure laminate s3 Outer surface 2,5mm dependent on pressure class 0,2mm Glass contents: % Glass contents: 55% Glass contents: 0% Resin-rich with C-glass fleece or synthetic fleece Glass fiber stands, -mats and -fabric Resin-rich with C-glass fleece or synthetic fleece Pipe Type E in compliance with DIN 169, part 5 Chemical protection layer Structure laminate Outer surface s2 s3 0,4mm dependent on pressure class 0,2mm Glass contents: % Glass contents: 30% Glass contents: 0% Resin-rich with C-glass fleece or synthetic fleece Hand lay-up laminate with textile glass mats Resin-rich with C-glass fleece or synthetic fleece Pipe Type N in compliance with DIN 169 Chemical protection layer Structure laminate Outer surface s2 s3 2,5 mm 3,5 mm 0,2mm Glass contents: % Glass contents: % Glass contents: 0% Resin-rich with C-glass fleece or synthetic fleece Glass fiber stands, -mats and -fabric Resin-rich with C-glass fleece or synthetic fleece Pipe Type B in compliance with DIN 169, part 2 Chemical protection layer Structure laminate Outer surface s1 s3 Thermoplastic liner dependent on pressure class Glass contents: 55% Glass contents: 0,2mm 0% PVC, PVC-C, PVC-U, PE-HD, PP, PVDF, ECTFE, FEP, PFA Glass fiber stands, -mats and -fabric Resin-rich with C-glass fleece or synthetic fleece 6

Pipes and Fittings A41 Pipes and Fittings Pipe Type D, E, N Pipes and Fittings with laminated ends Pipes and Fittings with one laminated end and one flange joint (fixed or loose flange) Pipes and Fittings with flange joints (fixed or loose flange) Pipes and Fittings Pipe Type B with thermoplastic liner Pipes and Fittings with laminated / welded ends Pipes and Fittings with one laminated end and one flange joint (fixed or loose flange) Pipes and Fittings with flange joints (fixed or loose flange) 7

A42 Pipe Type D Pipe Type D is produced to DIN 169 part 4 on the basis of UP and vinylester resins. Pipes of this same type can be joined by laminates (see Pipe Joints) or flanges (see Fittings). DN 1 0 0 900 0 1-0 PN 10 PN 16 di * L ** s4 min * s4 min * [m] 5 4,4 4,4 6 4,4 4,4 6 4,4 4,4 6 4,4 4,4 6 4,4 4,4 6 4,4 4,4 6 4,4 4,4 1 6 4,4 4,4 6 4,4 4,6 6 4,4 5,3 0 6 4,7 6,0 6 5,1 6,6 6 5,5 7,3 6 5,9 8,0 0 6 6,8 9,3 6 7,6 10,7 6 8,4 12,0 6 9,3 13,4 900 6 10,1 14,8 0 6 11,0 16,1 On request > PN 16 on request * Tolerances in accordance with DIN 169, part 4 ** Standard pipe length, other lengths available 8

Pipe Type E A43 Pipe Type E is produced and reinforced with glass fiber to DIN 169 part 5 on the basis of UP and vinylester resins. Pipes of this same type can be joined by laminates (see Pipe Joints) or flanges (see Fittings). DN 1 0 0 900 0 PN 6 PN 10 PN 16 di * L ** s4 min * s4 min * s4 min * [m] 5 5,0 5,0 5,0 6 5,0 5,0 5,0 6 5,0 5,0 5,0 6 5,0 5,0 5,0 6 5,0 5,0 5,1 6 5,0 5,0 6,1 6 5,0 5,0 7,3 1 6 5,0 5,9 8,9 6 5,0 6,8 10,5 6 5,6 8,7 13,6 0 6 6,7 10,7 16,8 6 7,9 12,6 19,9 6 9,0 14,5 23,1 6 10,1 16,4 26,2 0 6 12,4 20,3,5 6 14,7 24,1 38,8 6 17,0 27,9 45,1 6 19,2 31,8 51,4 900 6 21,5 35,6 57,7 0 6 23,8 39,5 6 1-0 On request > PN 16 on request * Tolerances in accordance with DIN 169, part 5 ** Standard pipe length, other lengths available 9

Pipe Type N A44 Pipe Type N is produced on the basis of UP and vinylester resins. Pipes of this same type can be joined by laminates (see Pipe Joints) or flanges (see Fittings). DN 1 0 0 900 0 1-0 PN 10 PN 16 di * L ** s4 min * s4 min * [m] 6 5,0 5,0 6 5,0 5,0 6 5,0 5,0 6 5,0 5,0 6 5,0 5,0 6 5,0 5,1 6 5,0 5,7 1 6 5,0 6,4 6 5,4 7,2 6 6,3 8,7 0 6 7,2 10,2 6 8,1 11,7 6 9,0 13,2 6 10,0 14,7 0 6 11,8 17,7 6 13,6 6 15,4 6 17,3 900 6 19,1 0 6 20,9 On request > PN 16 on request * plus tolerances ** Standard pipe length, other lengths available 10

Pipe Type B A45 * di dependent on the thermoplastic liner Pipe Type B is glass fiber reinforced with thermoplastic liner and produced to DIN 169 part 2 on the basis of UP and vinylester resins. Pipes of this type can be joined with either welded or laminated joints (see Pipe Joints) or flanges (see Fittings). The resistance against aggressive media depends on the thermoplastic liner. PVC, PVC-C, PVC-U, PE-HD, PP, PVDF, ECTFE, FEP and PFA are processed as standard according to customer requirements. DN 1 0 0 900 0 1-0 PN 6 PN 10 PN 16 L ** s4 min * s4 min * s4 min * [m] 5-6 2,9 2,9 2,9 5-6 2,9 2,9 2,9 5-6 2,9 2,9 2,9 5-6 2,9 2,9 2,9 5-6,2 2,9 2,9 2,9 5-6,2 2,9 2,9 2,9 5-6,2 2,9 2,9 2,9 5-6,2 2,9 2,9 2,9 5-6,2 2,9 2,9 3,2 5-6,2 2,9 2,9 3,7 5-6,2 2,9 3,1 4,4 5-6,2 2,9 3,7 5,3 5-6,2 2,9 5,8 5-6,2 3,1 4,4 6,4 5-6,2 3,6 5,2 7,8 5-6,2 4,1 6,1 9,1 5-6,2 4,6 7,0 10,6 5-6,2 5,1 7,7 11,8 5-6,2 5,6 8,6 13,2 5-6,2 6,1 9,4 14,5 On request > PN 16 on request * Tolerances in accordance with DIN 169, part 2 ** Standard pipe length, other lengths available 11

Laminated Joint Pipe Type D / E / N B41 Joints are laminated to permanently connect pipes and fittings type D, E and N to DIN 16966, part 8. DN 1 0 0 900 0 1-0 s5 min 5,0 6,0 4,5 6,0 7,0 8,0 9,0 11,5 1 16,0 18,5 20,5 23,0 PN 6 PN 10 PN 16 L1 min s5 min L1 min s5 min L1 min 110 110 110 110 110 110 110 110 110 110 110 110 110 110 4,5 110 110 110 5,0 120 110 110 6,5 1 110 5,0 110 8,0 175 110 6,0 130 9,5 210 110 8,0 1 13,0 2 1 10,0 205 16,0 345 11,5 0 19,0 415 170 13,5 290 22,0 460 15,5 330,0 5 2 19,5 410 31,5 685 290 23,0 4 38,0 745 335 27,0 560 4 8 390 31,0 6,0 990 430 35,0 720 57,0 1115 4 39,0 795 63,0 1235 On request Tolerances: > PN 16 on request 12

Laminated and Welded Joint Pipe Type B B42 Joints are welded and laminated to permanently connect type B pipes and fittings with thermoplastic liner to DIN 16966, part 8. PN 6 PN 10 PN 16 DN s5 min L1 s5 min L1 s5 min L1 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 110 120 110 110 4,5 1 1 110 110 5,5 175 110 130 6,5 210 110 5,5 1 8,5 2 0 1 6,5 205 10,5 345 5,0 8,0 0 12,5 415 5,5 170 9,0 290 15,0 460 6,5 10,5 330 17,0 5 0 8,0 2 13,0 410 21,0 685 9,5 290 15,5 4,0 745 11,0 335 18,0 560 29,5 8 12,5 390 20,5 6 33,5 990 900 1 430 23,0 720 37,5 1115 0 15,5 4 26,0 795 42,0 1235 1-0 On request t2 = 10-20mm > PN 16 on request 13

C41 Radiused Bends D / E / N / B Radiused Bend 90 Radiused Bend 45 Radiused bends are glass fiber reinforced and produced to DIN 16966 part 2 on the basis of UP and vinylester resins. Bends are available with 45 and 90 angles as standard, other angles are available on request. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). 90 45 DN R [m] L L 1 0 0 72 88 104 71 84 105 138 157 195 283 362 5 463 5 4 693 8 0 110 70 130 90 1 105 1 85 1 205 115 245 135 285 3 190 4 2 5 260 290 6 3 830 390 9 430 1 490 10 545 Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. * DN - 1: ± 0,5mm DN - 0: ± 1,0mm DN - : ± 1,5mm DN 0 - : ± 2,0mm DN - 0: ± 2,5mm 14

C42 Miter Bends D / E / N / B Miter bend 90 Miter bend 90 Miter bends are glass fiber reinforced and produced to DIN 16966 part 2 on the basis of UP and vinylester resins. Bends are available with 45 and 90 angles as standard, other angles are available on request. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). 90 45 DN 0 0 900 0 R L R L [m] 5 0 575 0 4 6 5 4 6 5 4 5 4 4 7 9 7 5 900 1075 900 10 1 10 6 1 1 1 1 14 1 7 1270 1570 1270 7 1-0 On request Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. * DN - 1: ± 0,5mm DN - 0: ± 1,0mm DN - : ± 1,5mm DN 0 - : ± 2,0mm DN - 0: ± 2,5mm 15

C43 T-piece D / E / N / B DN -0 T-pieces are glass fiber reinforced and are produced to DIN 16966 part 4 on the basis of UP and vinylester resins. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). DN 1 DN 2 L1 L2 130 170 130 170 175 1 1 1 190 1 195 205 205 1 245 270 2 285 2 1 290 260 1 3 310 310 1 0 4 3 0 Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. 16

T-piece D / E / N / B DN -0 C43 T-pieces are glass fiber reinforced and are produced to DIN 16966 part 4 on the basis of UP and vinylester resins. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). DN 1 DN 2 L1 L2 360 5 3 0 415 395 0 445 445 0 470 6 470 520 5 0 830 575 575 620 9 620 0 670 675 0 0 7 7 0 775 10 900 1 8 0 0 905 900 1-0 On request Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. 17

Reducers D / E / N / B DN -0 C44 Concentric reducers are glass fiber reinforced and produced to DIN 16966 part 5 on the basis of UP and vinylester resin. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). DN 1 1 0 DN 2 1 1 1 L1 L2 L3 L4 1 85 20 20 205 85 20 20 235 60 230 85 45 45 205 260 85 235 85 60 210 275 105 245 85 75 75 210 35 3 130 1 285 110 90 85 0 155 310 110 115 110 285 60 375 1 175 110 130 1 310 60 495 5 245 430 127 195 185 370 130 1 575 0 310 510 143 5 245 130 1 Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. 18

Reducers D / E / N / B DN -0 C44 Concentric reducers are glass fiber reinforced and produced to DIN 16966 part 5 on the basis of UP and vinylester resin. Pipes of this type can be connected with laminated joints (see Pipe Joints) or flanges (see Fittings). DN 1 0 900 0 1-0 DN 2 0 0 0 0 0 0 900 L1 L2 L3 L4 5 385 370 5 158 5 245 435 130 1 6 385 370 5 5 245 4 130 1 695 385 370 5 166 5 245 4 130 1 8 515 495 730 191 385 370 615 5 245 9 645 620 8 181 515 495 630 5 245 1160 775 7 930 197 515 495 660 5 245 11 775 7 910 213 515 495 6 5 245 1185 775 7 945 230 515 495 5 245 1220 775 7 975 245 515 495 735 5 245 On request 0 Pipe Type B: Dimensions dependent on the thickness of the thermoplastic liner. 19

Fixed Flange D / E / N / B C45 Fixed flanges are glass fiber reinforced and produced to DIN 16966, part 6, on the basis of UP and vinylester resin. DN 1 0 0 900 0 1-0 PN max D d2 k b2 Screws 16 115 14 85 14 4 x M12 16 1 18 15 4 x M16 16 18 110 16 4 x M16 16 1 18 1 18 4 x M16 10 185 18 145 20 4 x M16 10 18 160 22 8 x M16 10 220 18 1 24 8 x M16 10 0 18 210 27 8 x M16 10 285 22 2 30 8 x M20 6 3 22 295 33 8 x M20 6 395 22 37 12 x M20 6 445 22 42 12 x M20 4 5 22 460 16 x M20 4 5 26 515 44 16 x M24 4 670 26 620 49 20 x M24 2,5 7 30 7 49 20 x M27 2,5 895 30 8 53 24 x M27 2,5 1015 33 9 57 24 x M30 2,5 1115 33 10 60 28 x M30 2,5 1230 36 1160 28 x M33 On request 20

Stub Flange D / E / N / B C46 Stub Flanges are glass fiber reinforced and produced to DIN 16966, part 6, on the basis of UP and vinylester resin. DN PN max d4 d5 1 16 16 16 16 10 10 10 10 10 6 68 78 88 102 122 138 158 188 212 268 58 68 82 95 111 133 160 188 237 0 0 900 0 6 6 4 4 4 2,5 2,5 2,5 2,5 2,5 0 370 430 482 585 685 905 5 1110 293 343 387 441 544 648 758 858 960 1060 1-0 On request b3 12 14 14 14 15 16 18 20 22 28 30 35 38 45 53 57 60 64 21

Storage Tank D41 HOBAS produces process equipment up to a diameter of DN 0. Thanks to the flexible production process, rectangular, round and asymmetric designs can be manufactured to the HOBAS Company Standards with almost no limitation to size. According to customer demands as well as special technical and operational requirements, even complex designs with GRP Composites Thermoplastics or pure GRP with a chemical protection layer can be developed. 22

Absorber D42 Example product: Flue gas scrubber, CMI-UVK GmbH Germany The absorber or gas scrubber is a technical device that merges gas with a liquid in order to dissolve the components of the gas and absorb them with the liquid. It usually consists of several parts and reaction zones. HOBAS produces absorbers according to customer requirements, with chemically resistant GRP, with or without thermoplastic liner. 23

Cyclone D43 Example product: Cyclone, Wacker Chemie AG Germany Cyclones are funnel-shaped and used for removing particles from a gas stream. Since the particles are continuously striking the inner cyclone walls, the material has to be especially abrasion resistant. Thanks to the excellent strength and chemical resistance of GRP, HOBAS Pipe Systems and Tanks are especially suited for this application. HOBAS produces customer-shaped cyclone systems with GRP or GRP Composites with thermoplastic liner. 24

GRP Header D44 Example product: Catholyte Header for chlorine electrolysis, UHDE GmbH Germany The term Header refers to storage tanks in the range of chemical process lines. The safe storage and transport of the highly aggressive reactive products of the chloralkali process chlorine and caustic soda solution calls for such chemically resistant tanks and pipe systems, which can withstand the process-related temperatures and pressures. HOBAS manufactures process equipment up to a diameter of DN 0 and pressure classes up to PN according to customer requirements. For particularly aggressive media, HOBAS Tanks and Pipes are provided with a thermoplastic liner.

Pipe Spool Manufacture D45 Spools consists of various pipe components and accessories that are pre-assembled by HOBAS. Prefabricated spools help to save on costs and time at the installation of pipe systems and fully exploit the factory potentials for increasing quality standards. HOBAS produces spools in compliance with isometric plans, which are either provided by the customer or prepared by the HOBAS Engineers in accordance with the local requirements. 26

SMC Loose Backing Ring E41 Loose backing rings are produced by HOBAS as SMC (Sheet Moulding Compound) parts to DIN 16966, part 6. Fitting dimensions for PN 10 flanges to DIN 01, part 1. D d1 d2 k b DN PN max Screws A B C D 15 95 34-28 14 14 14 4 x M12 20 20 105-38 34 14 75 14 4 x M12 16 115 48 /,5 36 45 42 14 85 14 4 x M12 16 1 60 46 55 51 18 15 4 x M16 16 68,5 52 66 62 18 110 16 4 x M16 16 1 82,5 / 69 78 78 18 124 18 4 x M16 10 185 95,5 77 / 82 92 92 18 145 20 4 x M16 10 111,5 94 108 111,5 18 160 22 8 x M16 10 220 133,5 119 128 / 135 133,5 18 1 24 8 x M16 1 10 0 160,5 149,5 158 167 18 210 27 8 x M16 10 285 188,5 173 178 188,5 22 2 30 8 x M20 6 3 238 2 235-22 295 8 x M20 0 6 395 294 2 288 / 294-22 34 12 x M20 6 445 344 9 338-22 36 12 x M20 4 5 388 370 376-22 460 38 16 x M20 4 5 442 415 430 / 456-26 515 42 16 x M24 0 4 670 545 515 533-26 620 47 20 x M24 2,5 7 645 618 633-30 7 51 20 x M24 A: for steel pipes with welded stub flange and GRP pipes (DIN 2673) B: for steel flange pipes with welded stub flange (DIN 42) C: for PP/PE pipes with short welded stub flange (DIN 16962 / DIN 16963) D: for PVC pipes with stub flange (DIN 63) Other diameters and pressure classes on request. 27

SMC Stub Flange E42 Stub flanges are produced by HOBAS as SMC (Sheet Moulding Compund) parts to DIN 16966, part 6. DN 15 20 1 0 0 PN max d3 d4 d5 d6 Rohrtyp Rohrtyp Rohrtyp Rohrtyp D, E, N B D, E, N B d8 b 16-45 33 15 20 29 8 28 16-30 58 39 20 36 10 30 16 30,5 37 68 45 12 34* 16 37,4 45 78 58 53 14 16 45,6 55 88 68 64 14 38* 16 57 68 102 82 63 77 14 45* 10 70 122 95 75 90 15 48* 10 85,9 95 138 111 90 106 16 52* 10 106 114,5 158 133 110 127 18 60* 10 129,5 129,5 188 160 1 1 142 20 70* 10 155,8 1,5 212 188 160 1 22 76* 6 204,5 204,5 268 237 220 85 6 4,5 4,5 0 293 0 0 270 28 101 6 304,5 319,5 370 343 315 338 30 116 4 359 359 430 387 355 3 133 4 5 5 482 441 428 35 147 4 6 6 585 544 0 0 5 38 178 h2 * Deviations from DIN 16966, part 6 Other diameters and pressure classes on request. 28

SMC Blind Flange E43 Blind flanges are produced by HOBAS as SMC (Sheet Moulding Compound) parts to DIN 16966, part 6. Fitting dimensions for PN 10 flanges to DIN 01, part 1. DN 15 20 1 0 0 PN max D d2 b k Screws 10 95 14 14 4 x M12 10 105 14 14 75 4 x M12 10 115 14 14 85 4 x M12 10 1 18 15 4 x M16 10 18 16 110 4 x M16 10 1 18 18 124 4 x M16 10 185 18 20 145 4 x M16 10 18 22 160 8 x M16 10 220 18 24 1 8 x M16 10 0 18 27 210 8 x M16 10 285 22 30 2 8 x M20 6 3 22 295 8 x M20 6 395 22 34 12 x M20 6 445 22 36 12 x M20 4 5 22 38 460 16 x M20 4 5 26 42 515 16 x M24 4 670 26 47 620 20 x M24 Other diameters and pressure classes on request. 29

Material Specifications F41 According to requirements and design, HOBAS Industrial Pipe Systems are characterized by the following data (further details on request): Physical properties Density Glass content Tensile strength (tengential) Tensile strength (axial) Mean linear thermal expansion coefficient Poisson's ratio Flexural elastic modulus Surface resistance (standard) Surface resistance (electrically conductive) Heat deflection temperature Thermal conductivity 1,5 bis 2,0 g/cm³ - % vol. - 360 N/mm² - N/mm² 20-30 x 10-6 1/K 0, - 0,35 0-20.000 N/mm² 10 12 10 5 > C 0, W/mK Points of reference for different pipe types up to C 30

Notes

HOBAS Engineering Austria Pischeldorfer Straße 128 9020 Klagenfurt Austria T +43.463.48 24 24 F +43.463.48 21 21 info@hobas.com www.hobas.com HOBAS Group Worldwide HOBAS manufactures and markets HOBAS GRP Pipe Systems. The HOBAS Network includes HOBAS Production Facilities and Sales Organizations in Europe and throughout the world. We develop and manufacture HOBAS Products conserving nature s resources and with respect for our environment. Visit our website to find out more about the HOBAS Environmental Policy.