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GAV 54F

Installation & Operating

Instructions

819025-00

E n g l i s h

Shut-Off Valve

E N

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Содержание GAV 54F

Страница 1: ... GAV 54F Installation Operating Instructions 819025 00 English Shut Off Valve E N ...

Страница 2: ...es Scope of supply 5 Description 5 Function 5 Attention 5 Danger 5 Technical Data Pressure temperature ratings 6 Attention 6 Corrosion resistance 6 Design GAV 54F 7 Key 7 Installation GAV 54F 8 Attention 8 Danger 8 Attention 8 9 Danger 9 Attention 9 Installation notes 9 Danger 10 Commissioning Procedure GAV 54F 10 Danger 10 Attention 11 Functional test 11 Attention 11 Page ...

Страница 3: ...re Parts GAV 54F 13 Attention 13 Decommissioning Danger 13 Disposal 13 Transport and Storage Transport 14 Attention 14 Storage 14 Hoisting the valve for installation into horizontal pipeline 15 Hoisting the valve for installation into vertical pipeline 15 Page ...

Страница 4: ...ure The valve becomes hot during operation Risk of severe burns to hands and arms Before carrying out installation and maintenance work make sure that the steam trap is cold Sharp edges on parts present a danger of cuts to hands Always wear industrial gloves when replacing valves or parts of valves Danger of bruising During operation moving parts can pinch one s hands or fingers causing severe inj...

Страница 5: ...ols are found on the top of the handwheel The valve stem is sealed off by means of a stainless steel bellows and a safety stuffing box made from pure graphite Use the locking device to lock the handweel in place by turning it to the right until it hits the stop When supplied the handwheel is not locked in place Attention Incorrect operation of the valve may have a substantial impact on the entire ...

Страница 6: ...ential pressure bar 16 psi 232 Attention If the following differential pressures are exceeded a pressure balance plug is required DN 200 250 300 ΔP admissible differential pressure bar 12 9 6 psi 174 130 87 The pressure balance plug only takes effect when pressures builds up above the valve plug As a consequence the flow through the valves is reversed Note that the embossed flow direction arrow is...

Страница 7: ... Design GAV 54F 0 9 8 7 6 5 4 3 2 1 Key 1 Handwheel 2 Stem 3 Body cover 4 Gland packing 5 Hexagon head screws Fig 1 6 Joint ring 7 Bellows 8 Valve plug 9 Seat ring 0 Body ...

Страница 8: ... properly centered Only fasteners for ex to DIN EN 1515 1 and flange gaskets for ex to DIN EN 1514 made of materials suitable for the respective valve size may be used For the flange connection between valve and pipe use all flange bolt holes provided Attention When using steel flanges to DIN EN 1092 1 in conjunction with cast iron valves with flanges machined to DIN EN 1092 2 make sure that for n...

Страница 9: ...ut the risk of personal injury involved when touching the hot or cold components Attention If there is a risk of condensation water or ice formation for example in air conditioning cooling and refrigerating systems it is important to ensure that the complete valve including handwheel if required is provided with a proper diffusion tight insulation The formation of ice introduces the risk of actuat...

Страница 10: ...Prior to commissioning start up compare the material pressure and temperature data on the valves with the operating conditions of the piping to check the material s chemical resistance and stability under load Danger Venting the valve by undoing the bonnet cover bolting or removing the stuffing box packing is dangerous and therefore not permitted It is generally not allowed to use lamellar graphit...

Страница 11: ...ottling disc should be fitted unless throttling discs are installed as a standard feature Performing throttling operations without a throttling disc may result in an excessive noise level excessive wear or even destruction of the valve by cavitation Functional test The following functions must be checked Check the shut off function of the installed valve prior to commissioning start up by opening ...

Страница 12: ...ely prevent any risk of scalding Danger Danger to life Never open a valve under pressure If toxic or easily inflammable fluids were handled or fluids whose residues may cause corrosion in conjunction with humidity drain the valve and flush or vent it If required wear safety clothing and a protecive mask Depending on the installation position fluid residues may be left in the valve these must be co...

Страница 13: ...uries and burns to the whole body Before loosening flanged connections stuffing box unions or sealing plugs make sure that all connected lines are depressurized zero bar and cooled down to room temperature 20 C Sharp edges on parts present a danger of cuts to hands Always wear industrial gloves when servicing the equipment In the event of prolonged shutdowns fluids which change their physical cond...

Страница 14: ...ge acquired in transit Damaged valves must not be installed Storage Storage interim storage of the valves must ensure that even after a prolonged period of storage the valves function is not impaired and damage to the plastic coating is pre vented The following requirements must be met Storage is performed with the valve in closed position to protect the seat disc contact faces against damage Meas...

Страница 15: ...t be tied around the valve body The third strap serves to keep the valve in horizontal position Fig 5 Fig 6 Hoisting the valve for installation into vertical pipeline Straps 1 and 2 must be tied around the valve body The third strap serves to keep the valve in horizontal position Fig 7 Fig 8 Transport and Storage continued Fig 6 Strap 1 Strap 2 Strap 3 Fig 7 Strap 1 Strap 2 Strap 3 Fig 8 Strap 1 S...

Страница 16: ... Prealpi 30 32 l 20032 Cormano MI Tel 0039 02 66 32 51 Fax 0039 02 66 32 55 60 E mail infoitaly flowserve com España Flowserve GESTRA U S 2341 Ampere Drive Louisville KY 40299 Tel 001 502 267 2205 Fax 001 502 266 5397 E mail FCD Gestra USA flowserve com USA Portugal Flowserve Portuguesa Lda Av Dr Antunes Guimarães 1159 Porto 4100 082 Tel 00351 22 6 19 87 70 Fax 00351 22 6 10 75 75 E mail jtavares ...

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