Dixon SK-3120P/B/A Manuel d'utilisateur télécharger pdf (Page 6)

800.355.19914 Dixon Bayco 2013

Products

Dry Bulk

Dry Bulk Products

Trailer/Tank Mounted Air Relief Valves

2180 2180B/15 2180V/15 3180

Valve Series Valve Connection

Available Factory Set

Pressure Range (PSI)

Set Pressure

Tolerance

(PSI)

Diaphragm Material

Relieving

Capacity

(SCFM)

2180/xx 2" female NPT 2 to 25 +3/-0 white food grade silicone 500 to 950

2180/15 2" NPTF air relief valve 15 +3/-0 white food grade silicone 500 to 950

2180/18 2" NPTF air relief valve 18 +3/-0 white food grade silicone 500 to 950

A2180/xx 2" female NPT 2 to 27 +1/-0 white food grade silicone 500 to 950

2180B/15 2" cam and groove adapter 15 +3/-0 white food grade silicone 500 to 950

2180V/15 2" grooved 15 +3/-0 white food grade silicone 500 to 950

3180/xx 3" female NPT 4 to 30 +3/-0 red silicone 750 to 1500

A3180/xx 3" female NPT 6 to 32 +1/-0 red silicone 750 to 1500

¹ request the required pressure setting when ordering (xx refers to choice of pressure setting)

² relieving capacity (SCFM) varies with set pressure, for specic rates please refer to our website or contact Dixon

• See page 27 for repair kits

• See page 22 for air relief testing equipment

Application:

Designed specically for use on trailer tanks containing dry bulk products. If a system blockage

were to occur the valves are designed to vent to atmosphere once the valve pressure setting is

achieved.

Not intended for blower service (for blower service applications see the 2182 series air

relief valves shown on page 3)

Standards:

Available with 2 set pressure tolerances:

1) 2180/3180 series have a +3/-0 set pressure tolerance (valve opens at set pressure plus 3 PSI)

2) A2180/A3180 series have a +1/-0 set pressure tolerance (valve opens at set pressure plus 1 PSI)

• 2180/A2180 are available with 2" male or female NPT, cam and groove adapter or grooved pipe

connections.

• 3180/A3180 are available only with 3" female NPT connections

Materials:

Bayloy vent cowl with aluminum upper, bronze poppet with white food grade silicone diaphragm in

the 2180/A2180, red silicone diaphragm in the 3180/A3180

Features & Benets:

• Available with a variety of pressure settings, see chart below for model specic available pressure

settings. Customer should request set pressure at time of order.

• Relieving capacity (SCFM) varies dependent upon model and pressure setting. See chart below,

or for specic relief rates please refer to our website or contact Dixon.

• Installed cup seal deters tampering

• Bayloy body eliminates thread galling

• PVC coated wire lanyard available for securing air relief valves (see page 5)

Fixed Pressure Setting Valves

Product instruction sheets and technical data, can be viewed on our website at dixonbayco.com, and select the "Resources" Menu

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Dixon SK-3120P/B/A Manuel d'utilisateur Page 6

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