Mi id-West I Instrument Di ifferenti ial l Pressure Gauges How to order - - - - 1.BASIC MODEL NUMBER 6. OPTIONS (up to four options) O. None (standard) A. Reversed High/Low Process Connections B. DIN2353 12-S (12mm) Steel tube fittings C. Mounting Holes in Gauge Body (Electrical Options A & B) D. Mounting Holes in Gauge Body (Electrical Options L & M) F. Pipe Mounting Kit (Carbon steel) L. Liquid Filled (not available with 3-1/2” dial) M. Maximum indicating pointer T. Oxygen Cleaning U. S.S. Tag Mounted w/S.S. Wire V. S.S. Tag Mounted w/S.S. Screws W. Wall Mounting Kit X. Individual Gauge Packaging Z. Special (Uncoded Options) 2. MATERIAL A. Aluminum body, s.s. piston (standard) M. Monel Body (See 120 ABM) N. Aluminum Bronze Body (see 120 ABM) S. 316 S.S. Body & S.S. psiton (standard) Z. Special 3. DIAL TYPE A. 2-1/2” Round Uni-Directional B. 2-1/2” Round Bi-Directional C. 4-1/2” Round Uni-Directional D. 4-1/2” Round Bi-Directional E. 3-1/2” Round Uni-Directional F. 3-1/2” Round Bi-Directional G. 4-1/2” Round Uni-Directional H. 4-1/2” Round Bi-Directional T. Non-Indicating Differential Pressure Switch Only Z. Special (Uncoded Options) 7. ELECTRICAL O. None A. One (1) Switch in Std. Enclosure with grommet wire seal B. Two (2) Switches in STD. Enclosure with grommet wire seal C. One (1) Switch in STD. Enclosure with 1/4" FNPT Electrical con. NEMA 4X D. Two (2) Switch in STD. Enclosure with 1/4" FNPT Electrical con. NEMA 4X E. One (1) Switch General Purpose EnclosureC.S.A. & U.L. Listed Div II F. Two (2) Switch General Purpose EnclosureC.S.A. & U.L. Listed Div II G. One (1) Switch & Gauge in NEMA 4X Plastic Enclosure H. Two (2) Switch & Gauge in NEMA 4X Plastic Enclosure J. One (1) Switch in Explosion Proof EnclosureC.S.A. & U.L. Listing K. Two (2) Switch in Explosion Proof EnclosureC.S.A. & U.L. Listing L. One (1) Switch in STD. Enclosure with Plug-In Connector (DIN 43650/IP65) M. Two(2) Switch in STD. Enclosure with Plug-In Connector (DIN 43650/IP65) Z. Special (Uncoded Options) 4. SEALS 0. Buna N (Standard) 1. Biton 2. Neoprene 4. Teflon 5. Ethylene 6. Perfluoroelastomer 9. Special 8. Electrical Specs A. S.P.D.T. 3W, 0.25 Amp., 125 VAC/VDC E. S.P.S.T. 60W, 3.0Amp, 240 VAC/VDC F. S.P.S.T. 60W, 3.0Amp, 240 VAC/VDC G. S.P.S.T. 60W, 3.0Amp, 240 VAC/VDC One (1) N/Open (1) N/Closed H. S.P.D.T. 60W, 1.0Amp, 240 VAC/VDC (switch adjustible range of 25-100%) Z. Special (Uncoded Options) 5. CONNECTIONS 0. 1/4" FNPT Back Connection 2. 1/4" FNPT End Connections 6. 7/16” – 20 Str. Thd. O-Ring Port 7. 1/2" FNPT Stainless Steel Adapters 8. 1/2" FNPT Monel Adapters 9. Special (uncoded Options) 7 8 – ( Up to three options) 1 2 0
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