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Figure 4. Nameplate Location

ES-905 SERIES NAMEPLATE LOCATION

ES-805 SERIES NAMEPLATE LOCATION

Figure 6. Nameplate Example

Figure 5. ES-805 and ES-905 Series Weights

MODEL

SIZE

PRESSURE

VACUUM

ES-805-SO

2 through 4 in. / 50 through 100 mm

1.0 to 16.0 oz./sq.in. / 4.3 to 6.90 mbar  

(0.5 oz./sq.in. / 2 mbar increments)

0.4 oz./sq.in. / 1.7 mbar

ES-805-PSO

N/A

ES-905-SO

0.4 oz./sq.in. / 1.7 mbar

ES-905-PSO

N/A

Table 1. Vent Setting Range

MODEL

HOUSING

PALLET

V-RING SEAL

HARDWARE

WEIGHTS

GASKETS

ES-805-SO

Cast Aluminum

Aluminum

Nitrile (NBR) or 

Fluorocarbon (FKM)

Zinc-plated carbon steel

Zinc-plated carbon steel  

(to 12 oz./sq.in.) 

or Lead

Nitrile (NBR) or 

Fluorocarbon (FKM)

ES-805-PSO

ES-905-SO

ES-905-PSO

Table 2. Construction Materials

3

ES-805 and ES-905 Series

North America 

Only

Summary of Contents for ES-805 Series

Page 1: ...nance procedures performed by unqualified person may result in improper adjustment and unsafe operation Either condition may result in equipment damage or personal injury Only a qualified person shall install or service the vent valves Introduction Scope of the Manual This Instruction Manual provides instructions for installation maintenance and parts ordering guide for the ES 805 and ES 905 Serie...

Page 2: ...t they omit the vacuum side of the valve that eliminates the possibility of two way flow Model ES 905 SO is an end of line vent valve The end of line vent valve is installed directly on the end of the vent line exhaust The Model ES 905 SO has both pressure and vacuum relief capability Model ES 905 PSO is an end of line vent valve The end of line vent valve is installed directly on the end of the v...

Page 3: ... oz sq in 2 mbar increments 0 4 oz sq in 1 7 mbar ES 805 PSO N A ES 905 SO 0 4 oz sq in 1 7 mbar ES 905 PSO N A Table 1 Vent Setting Range MODEL HOUSING PALLET V RING SEAL HARDWARE WEIGHTS GASKETS ES 805 SO Cast Aluminum Aluminum Nitrile NBR or Fluorocarbon FKM Zinc plated carbon steel Zinc plated carbon steel to 12 oz sq in or Lead Nitrile NBR or Fluorocarbon FKM ES 805 PSO ES 905 SO ES 905 PSO T...

Page 4: ...e with the rib on the body Then close the lid and hand tighten the wing nuts on both sides Tools are not to be used to tighten wing nuts Check for proper alignment between the lid and pallet stem If the pallet is not installed correctly the lid would not close ES 905 Series End of Line Vent Valve 1 Unbolt and remove the flanges from the body 2 Slide the flange onto the receiving pipe Then slide th...

Page 5: ...pheres may require more frequent inspections and maintenance Always inspect the pressure and vacuum gaskets and all sealing surfaces when performing maintenance 1 Remove the pallet assembly from the valve Pull the vacuum disk down until it stops and release it If the vacuum disk does not return to the closed position clean the rods with a mild solvent and apply a graphite lubricant If cleaning doe...

Page 6: ...able 5 Parts Ordering When corresponding with your local Sales Office about this equipment always reference the equipment serial number and model number that can be found etched on the nameplate When ordering replacement parts specify the complete model number and 7 character part number of each required part as found in the following parts list MATERIAL 2 IN 50 mm 3 IN 80 mm 4 IN 100 mm Nitrile N...

Page 7: ...14318 4 in 100 mm 3514365 Fluorocarbon FKM 2 in 50 mm 3514314 3 in 80 mm 3514319 4 in 100 mm 3514372 15 Nylock Nut 1 2 13 16 Pressure Weight as required ES 905 Series In line Vent Valve Key Description Part Number 1 Valve Body 2 in 50 mm 3514326 3 in 80 mm 3514337 4 in 100 mm 3514341 2 Hood 2 in 50 mm 3514329 3 in 80 mm 3514339 4 in 100 mm 3514343 3 Flange Gasket 2 in 50 mm 3505501 3 in 80 mm 3505...

Page 8: ...erson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Enardo is a mark owned by Regulator Technologies Tulsa LLC a business of Emerson Automation Solutions The contents of this publication are presented for information purposes only and while effort has been made to ensure their accuracy they are not to be construed as warran...

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