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UE EX-PROOF PRESSURE SWITCH UE H121-137-M202-M446 H122-137-M202-M446

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UE   EX-PROOF PRESSURE SWITCH UE H121-S137B-M202-M446 H122-S137B-M202-M446

Features 1
• Class I, Div. 1 & 2, Groups B, C, & D Class II, Div. 1 & 2, Groups E, F, & G Class III
• Choice of one or two SPDT, optional DPDT output
• Dual electrical conduit openings
• Terminal block wiring
• Welded diaphragm or bellows sensor
• Cover lock
• Ultra-low pressure ranges

Features 2
• Approvals include cULus, ATEX & SAA; compliance with CE and NACE standards
• Internal adjustment or external adjustment via calibrated dials with tamper resistant cover
• Single or Dual Output
• Wide variety of sensor materials
• Optional Hastelloy®, Monel® and Tantalum sensor material for corrosive media
• Flush mount sanitary sensors
• Stainless steel, Hastelloy®, Monel® flanges conforming to ANSI standards
• Indicating Differential Pressure Module
• Most models available for immediate delivery!
H121-S126B H121-S134B H121-S137B H121-S144B H121-S156B H121-S164B
H121-126 H121-134 H121-137 H121-144 H121-156 H121-164
H121-358 H121-361 H121-376 H121-612 H121-614 H121-270
H121-274 H121-450 H121-452 H121-453 H121-454 H121-550
H121-552 H121-553 H121-554 H121-555 H121-701 H121-702
H121-703 H121-704 H121-705      
H122-S126B H122-S134B H122-S137B H122-S144B H122-S156B H122-S164B
H122-126 H122-134 H122-137 H122-144 H122-156 H122-164
H122-358 H122-361 H122-376 H122-612 H122-614 H122-270
H122-274 H122-450 H122-452 H122-453 H122-454 H122-550
H122-552 H122-553 H122-554 H122-555 H122-701 H122-702
H122-703 H122-704 H122-705      
             
WEIGHT 3-8 lbs. Varies with type and model
ELECTRICAL CONNECTION Type H, B, E; one 3/4" NPT E/C; Type J, C, F, 820E, 822E; two 3/4" NPT E/C; terminal block standard
PRESSURE CONNECTION Models S126B-S164B, 171-194, 483-494, 520-535: 1/2" NPT (female); models 560-564: 2" sanitary connection;
models 565-567: 1 1 ⁄ 2" sanitary connection; models 540-548: 1/8" NPT (female); all others: 1/4" NPT (female)
TEMPERATURE ASSEMBLY Bulb and capillary: 6 feet 304 stainless steel (standard) except for E121-13273 and E122-13321: 10 feet;
Immersion stem: nickel-plated brass (standard) except for B121-13272 and B122-13322: stainless steel.
Fill: Model 1BS: solvent filled; models 2BS-8BS: non-toxic oil filled
TEMPERATURE DEADBAND Type F120, 820E, 822E: typically 1%; type B-, C-, and E- 121 and 122: typically 2% of range under
laboratory conditions (70°F [21°C] ambient circulating bath at rate of 1/2°F per minute change)
PRESSURE DEADBAND See Individual model charts
DIFFERENTIAL PRESSURE INDICATION (OPTION M210) Differential pressure indication available types H121K and H122K with option M210; accuracy approximately 1% mid 50% of range, 3% at ends; window is plexiglass and gasketed; indicator may be field adjusted for
approximately 1% accuracy at any set point within range
TEMPERATURE INDICATION Temperature indication available types 820E and 822E. Indication accuracy is +1% of adjustable range

UE EX-PROOF PRESSURE SWITCH UE H121-137-M202-M446 H122-137-M202-M446

About Us

About Us

Xi`an Ao Xin Automation Instrument Co., Ltd., is located in Xi`an city which is the authoritive centre of instrument and gauge .It is cooperated with many related domestic cooperation to research ,sale and service and also obtained the cert of ISO9001-2008. overall strength of the industry 's leading domestic well-known enterprises .Over the years, the company under the "integrity, innovation , development and harmony " principle of service .

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