Mercoid D Series Specifications-Installation And Operating Instructions Download Page 6

Page: 6 / 8

[3] REAR FLANGE

MOUNTING HOLES

1/2˝

CONDUIT HUB

2-7/8

[71.63]

Ø7 [177.80]

ADJUSTMENTS

GASKETED COVER

1/4 NPT

1/2 NPT

7-3/4 [196.9]

[2] STD. Ø13/32

[10.32] MOUNTING

HOLES

3/4˝ CONDUIT

CONNECTION

BREATHER

[OPTIONAL]

MOUNTING HOLES [OPTIONAL]

3-1/2 [88.90]

9-7/8

[250.83]

5 [127]

[4] Ø7/16 [11.23] MOUNTING HOLES

7-5/8 [193.7]

10-13/16 [274.7]

6-7/8 [174.6]

10-11/16

[271.5]

3/4 NPT

CONNECTION

TYP

Explosion-proof prefixed by DAH, DAHF DRH, DSH, DSHF

Watertight NEMA 2, 3, 4 - Prefixed by DAW, DRW, DSW, DLW

Explosion-proof prefixed by DAE, DLE, DRE, DSE

Summary of Contents for D Series

Page 1: ...ght across the two cover screws or check the lower end of the glass opening in the cover to see that the control is lined up horizontal ly On general purpose controls provided with a flange mount by means of the three holes in the flange SPECIFICATIONS Wetted Materials Brass 403 SS or 316 SS Temperature Limit 180 F 82 C Pressure Limit Maximum pressure of the operating range Enclosure rating Genera...

Page 2: ...ing Again install firmly in a level position Do not mount the control by twisting the case use a wrench on the square part of the 1 4 bottom pipe connection Be sure pipe connection is in a vertical position After cover is properly attached with the name plate on bottom of the cover sight across the lower end of the glass opening in the cover to see that the control is lined up vertically Do not us...

Page 3: ...l full scale Minimum Differential listed below Fixed Differenital Single Adjustment Adjustable operating point Differential fixed NOT ADJUSTABLE APPLICATION Bourdon tube Material Adjustable Operating Range psig Range Number DA 31 DA 531 DS 231 Brass Bourdon Tubes 0 30 Hg VAC 10 in Hg VAC 12 1 8 to 15 psig 1 8 to 20 psig 1 to 35 psig 25 in Hg VAC 50 2 to 60 psig 5 to100 psig 5 to 150 psig 10 to 200...

Page 4: ...sitivity For Steam and Other Applications DA 431 DAW 433 DAH 431 1 2 3 3A 4 5 6 7 8 9 27 1 8 to 15 psig 0 to 30 in Hg VAC 10 in VAC 12 psig 1 8 to 20 psig 1 to 35 psig 2 to 60 psig 5 to 100 psig 5 to 150 psig 5 to 200 psig 10 to 300 psig 25 in VAC 50 psig Brass Brass Brass Brass Brass Brass Brass Brass Brass Brass Brass 2 1 2 psig 4 in Hg 2 1 2 psig 2 1 2 psig 3 1 2 psig 5 psig 7 psig 10 5 8 psig ...

Page 5: ...ose Opens 155 1 Circuit 2 Circuit B Closes Open 156 SP DT A One Closes as Other Opens 705 SP DT SP DT B A One Closes as Other Opens Opens 729 SP ST SP DT B A One Closes as Other Opens Opens 804 DP DT B Two Close Two Open 815 B 4P ST Close 2 9 67 816 B 4P ST Open 2 9 67 Consult factory ELECTRICAL RATING CHART Code Circuit Suffix AC Capacity DC Capacity Horsepower 120 V 240 V 440 V 120 V 240 V AC DC...

Page 6: ... HOLES 3 4 CONDUIT CONNECTION BREATHER OPTIONAL MOUNTING HOLES OPTIONAL 3 1 2 88 90 9 7 8 250 83 5 127 4 Ø7 16 11 23 MOUNTING HOLES 7 5 8 193 7 10 13 16 274 7 6 7 8 174 6 10 11 16 271 5 3 4 NPT CONNECTION TYP Explosion proof prefixed by DAH DAHF DRH DSH DSHF Watertight NEMA 2 3 4 Prefixed by DAW DRW DSW DLW Explosion proof prefixed by DAE DLE DRE DSE ...

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