DME manufactures bellows and expansion joints as large as 104″ in diameter and as small as 1-1/2″. We specialize in high performance multi-ply bellows fabricated from T-321 Stainless steel, Inconel 625, Alloy X, T-316 Stainless steel and more. DME has the experience, engineering knowledge and production capability to design and fabricate unique flexible piping products to meet your specific requirements. We provide fast delivery times and on-time shipping by maintaining a large inventory. Supplying our customers with quality products in a timely manner is a goal shared by each of our dedicated employees. DME has earned a reputation for outstanding customer service and satisfaction unmatched in the industry.
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Multi-ply Bellows vs Single-ply vs Flex Hose Specifications Multi-ply Bellows Single-ply Bellows Flexible Hose Assembly Code Isolators Type 1 / 1L – Fixed Flange X Fixed Flange (ANSI) Type 2 – Male NPT Each Ends Type 3 – Fixed Flange X Male NPT Type 4 – Fixed Flange X Beveled Weld End Type 5T / 5P – Fixed Flange X Slotted Cuff Type 9T / 9P – Slotted Cuff Each Ends Type 10-90º Flanged Elbow X Fixed Flange Type 11-90º Turbo Detroit Flanged Elbow X Fixed Flange Type 12-Fixed Flange X Cone Increasing Fixed Flange Type 13/13L-Fixed Flange X Floating Flange (ANSI) Type 13C/13CL-Fixed Flange X Floating Flange (ANSIxCAT) Type 28 – Flange X Spacer Flange (ANSI) Type 28LP-Fixed Flange X Spacer Flange (w/ Liner) Type 29A/29AL-Floating Flange Each Ends (Split Flanges) Type 30A-Floating Flange Each Ends (ANSI) Type 31A / 31AL-Floating Flange Each Ends (ANSI) Type 31B / 31BL-Floating Flange Each Ends (CAT) Type 32LX-Fixed Flange X Floating Flange (w/ Liner) Type 34 – Fixed Flange X Fixed Flange Type 35LX – Fixed Flange X Floating Flange (w/ Liner) Full Flow CAT Isolators Type 37 – Fixed Flange x Cone Reducing Floating Flange Type 38 – Beveled Weld End Each Ends Type 39 – Square Cut Tube Each Ends Waukesha Isolators Type 41W/41LW-Fixed Flange X 20º Lip Flange Type 42W/42LW-Fixed Flange Each Ends (ANSI) Type 41LWX-Floating Flange X 20º Lip Flange Type 42LWX-Fixed Flange X Floating Flange (ANSI) Type 43L-Fixed Flange x 20º Lip Flange (w/ Liner & Venturi) Assembly Configurations Flanges Rain Caps / Rain Deflectors Wye Assembly Caterpillar Wye Assembly Cummins Wye Assembly MTU Wye Assembly |
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Rainshield Assembly Roof / Wall Thimble Insulated Roof / Wall Thimble Non-Insulated Roof / Wall Thimble Gaskets, Nuts, & Bolts Clamps Cone Transitions Tube Elbows Mitered Elbows Tube Elbows w/ Tangent Ends Exhaust Outlet Extensions Tubing & Flex Tube Pre-Fabricated Exhaust Systems Style 60-Tube Assembly Flanged One End Style 61-Tube Assembly Flanged Each End Style 62-Flanged Tube Assembly w/ Integral Slotted Cuff Style 63-Tube w/ Integral Slotted Cuff Style 66-Tube Assembly w/ Fixed X Floating Flanges Style 67-90º Tube Assembly w/ Fixed X Floating Flanges Style 68-Flanged Offset Tube Assembly Adapters S/S Braided Hose Specifications Braided Flexible Metal Hose Assembly Type 500 – Low Pressure Fixed Flanges Each Ends Type 501 – Low Pressure Fixed Flange X Floating Flange Type 502 – High Pressure Fixed Flanges Each Ends Type 503 – High Pressure Fixed Flange X Floating Flange Type 504 – Male NPT X Beaded Tube Type 505 – Male NPT X 90º X Beaded Tube Type 506 – Fixed Flange X Beaded Tube Type 507 – Fixed Flange X 90º X Beaded Tube Type 508 – Aeroquip X Male NPT Type 509 – Aeroquip X 90º X Male NPT Type 510 – Fixed Flange X Aeroquip Type 511 – Fixed Flange X 90º X Aeroquip Type 512 – Male NPT Each Ends Type 513 – Male NPT X Female Union Type 514 – Male NPT X Fixed Flange Type 515 – Female NPT Coupling X Fixed Flange Type 520 thru 525 – Floating CAT Flg X Fixed ASA Flg Type 527 thru Type 534 – Full Flow Flex Metal Hose Assy Anchoring and Guiding Thermal Expansion of Pipe Table |
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