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Содержание Gem F302

Страница 1: ...When set for service a dry pipe sprinkler system is pressurized with air or nitrogen and the loss of air pres sure through an operated automatic sprinkler in response to heat from a fire permits the...

Страница 2: ...ry Pipe Valves are shown in Figure 8 Valve Body Covers and Seat Rings The Body 1 is cast iron per ASTM A 48 Class 358 and the Handhole Cover 30 and Auxiliary Clapper Cover 27 are cast iron per ASTM A1...

Страница 3: ...2 Auxiliary Clapper Facing 23 Auxiliary Clapper 24 Pipe Plug 3 8 NPT for 4 valve 2req d l 2 NPT for 6 valve 2 req d 25 Auxiliary Clapper Assembly Locknut 26 Auxiliary Clapper Spring 27 Auxiliary Clapp...

Страница 4: ...h the Model F311 Dry Pipe Valve Accel erator described in Technical Data Sheet TD109 The F311 is used for the purpose of obtaining a reduction in the time to valve operation following the operation of...

Страница 5: ...TOMATIC DRAIN VALVE REFER To FIG B ITEM 11 INTERMEDIATE CHAMBER OPEN TO ATMOSPHERE l 2 IN NPT ALARM PORT REAR VIEW ELEVATION WATERWAY _ CLAPPER AIR WATER SEAT SEAT FIGURE II MODEL F302 F3021 DRY PIPE...

Страница 6: ...ar which would be insuf ficient to hold the Waterway Clapper Assembly closed against a water supply pressure of 100 psi 6 9 bar It is for this reason that the plunger of the Automatic Drain Valve shou...

Страница 7: ...ction as required By NFPA 13 must be pro vided on the system piping at the most remote location from the F302lF3021 Valve 11 Conduit and electrical connections are to be made in accordance with the re...

Страница 8: ...against the Auxiliary Seat Ring If it freely spins then pull it towards the Clap per Latch until it no longer spins or resistance to spinning is encoun tered If adequate seating of the Aux iliary Cla...

Страница 9: ...harging refer to the Care and Maintenance section under Auto matic Drain Valve Inspection to de termine correct the cause of the leakage problem 16 If the F32O F3021 is equipped with a Model F311 Dry...

Страница 10: ...on 2 req d 26 l 2 90 Elbow 2 req d 27 l 2 Tee 28 l 2 Cross 2 req d 29 l 2 x l 2 x I 4 Tee 3 req d 30 I 2 x l 4 x I 2 Tee 3 req d 31 l 2 x l 2 x 314 Tee 32 1 x l 2 x 1 Tee 33 l 4 x 2 Nipple 34 I 4 x I...

Страница 11: ...certain that the Waterway Clapper Assem bly is properly assembled Special attention should be given to the ar rangement order of the Clapper Clapper Facing Clapper Washer and Belleville Spring The ta...

Страница 12: ...uxiliary Clapper Facing 22 tighten the Push Rod Screw Locknut 36 NOTES Valves manufactured before 1983 utilized a Spiro1 Pin in addition to the Push Rod Screw Locknut 361 to hold the Push Rod Screw 16...

Страница 13: ...ts recessed side facing up as shown in Figure B on Page 3 The molded Clapper Facing is to be oriented so that the raised center portion faces up and the thin raised rib faces down so as to seat within...

Страница 14: ...Clapper Facing PSN 92 302 i 640 23 Auxiliary Clapper PSN 92 302 I 624 25 Auxiliary Clapper Assembly Locknut PSN 92 302 l 626 26 Auxiliary Clapper Spring PSN 92 302 l 627 27 Auxiliary Clapper Cover PSN...

Страница 15: ...sure Relief Valve PSN 92 343 l 020 10 l 2 Y Strainer PSN 52 353 I 005 1I F793 Automat ic Drain Valve PSN 52 793 l 004 12 Priming Cup PSN 92 346 I 004 13 2 Angle Valve PSN 46 046 i 009 14 3 32 Vent Fit...

Страница 16: ...Reg trademarkofGRINNELLCORPORATION 3NCOPARK EXETER NH 03833 A tLJC0 INTERNATIONAL LTD COMPANY O B S O L E T E...

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