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■EPDT-292■

PF-7000

PUMPING TRAP

INSTRUCTION MANUAL

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Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product,
please read this manual before use. This manual shall be kept with care for future references.
The symbols used in this manual have the following meanings.

Warning

This symbol indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.

Caution

This symbol indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury or may result in only property damage.

Table of Contents

1. Specifications ···························································· 1

2. Dimensions and Weights ············································· 2

3. Structure ·································································· 2

4. Operation ································································· 3

5. Flow rate ·································································· 4

6. Installation

6.1 Piping example ·················································· 5-6

6.2 Warning and caution for installation ······················· 7-8

7. Operation procedure

7.1 Warning and caution for operation ··························· 9

7.2 Operation method ················································ 9

8. Maintenance

8.1 Warning and caution for maintenance and inspection · 10

8.2 Daily and Periodic inspection/Periodic replacement

8.2.1 Daily inspection ··········································· 10

8.2.2 Periodic inspection ······································· 11

8.2.3 Periodic replacement ···································· 11

8.3 Troubleshooting ············································· 12-13

8.4 Disassembly/assembly method

8.4.1 Warning and caution for disassembly/assembly · 13

8.4.2 Disassembly method ······························· 14-15

8.4.3 Assembly method ··································· 16-18

8.4.4 How to replace each part ······························· 19

9. Exploded view ·························································· 20

Warranty Information

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Содержание PF-7000

Страница 1: ...ult in only property damage Table of Contents 1 Specifications 1 2 Dimensions and Weights 2 3 Structure 2 4 Operation 3 5 Flow rate 4 6 Installation 6 1 Piping example 5 6 6 2 Warning and caution for installation 7 8 7 Operation procedure 7 1 Warning and caution for operation 9 7 2 Operation method 9 8 Maintenance 8 1 Warning and caution for maintenance and inspection 10 8 2 Daily and Periodic ins...

Страница 2: ...ial Body Ductile cast iron Trim parts Stainless steel Float P Stainless steel Connection JIS Rc screwed Check valve at inlet side Externally attached 2 Check valve at outlet side Externally attached 2 1 The most appropriate value of driving pressure is back pressure at outlet side 0 1 to 0 2 MPa 2 Attach an optional check valve SCV 2 or SCV 3 on inlet and outlet side of the product Caution Please ...

Страница 3: ...unit is mm Fig 1 Dimensions 3 Structure Fig 2 Structure Size d1 d2 L Weight kg 25A Rc1 Rc1 544 92 40A Rc1 1 2 Rc1 1 2 549 92 50A Rc2 Rc2 525 91 80A Rc3 Rc2 500 90 Driving fluid port Vent port Rc1 2 Rc1 No Part name 1 Body 2 Cover 4 Vent valve P 5 Vent valve seat 6 Inlet valve P 9 Float 10 Cap 12 Hex bolt 13 Hex bolt 14 Square head plug 15 Eye bolt 16 Name Plate ...

Страница 4: ...vent valve part of vent valve P 4 closes inlet valve part of inlet valve P 6 opens and driving pressure enters body 1 Condensate inside body 1 is transferred to condensate outlet and discharged See Fig 4 When condensate is discharged float 9 moves downward in line with water level in body 1 When it drops to the height at which vent valve part of vent valve P 4 opens inlet valve part of inlet valve...

Страница 5: ... height The height below is the level above the bottom of the product Driving fluid Condensate flow in height mm 800 1000 1200 1400 Steam 0 85 1 00 1 05 1 15 Air 0 85 1 00 1 15 1 30 Discharge capacity varies depending on size of condensate inlet and outlet Multiply the volume by the following factors according to size Driving fluid Size Condensate inlet outlet 80A 50A 50A 50A 40A 40A 25A 25A Steam...

Страница 6: ...ducing valve GD 30 15A 11 Sight glass PF 7000 GD 1000T 15A if driving fluid is air SLM 1S or 1F 50A 2 Strainer 7 Strainer SY 5 15A 80 mesh SY 5 15A 80 mesh 3 Steam trap 8 Strainer TD 10NA 15A SY 40 80A 80 mesh 4 Check valve 9 Check valve SCV 2 or 3 15A SCV 3 80A 5 Sight glass 10 Check valve SLM 1S 15A SCV 2 or 3 50A ...

Страница 7: ... 11 Sight glass PF 7000 GD 30 15A SLM 1S or 1F 50A 2 Strainer 7 Strainer 12 Check valve SY 5 15A 80 mesh SY 5 15A 80 mesh SCV 2 or 3 15A 3 Steam trap 8 Strainer TD 10NA 15A SY 40 80A 80 mesh 4 Check valve 9 Check valve SCV 2 or 3 15A SCV 3 80A 5 Sight glass 10 Check valve SLM 1S 15A SCV 2 or 3 50A ...

Страница 8: ...ice may cause burn injury by leakage of condensate from joints due to vibration 5 Use union joints etc for connection with pipes See 6 1 Piping example If union joints etc are not used removal of pipes may become impossible or require more time in disassembly assembly for maintenance inspection 6 Do not apply any shocks such as water hammer Avoid using quick open close valves at inlet outlet side ...

Страница 9: ...13 Cautions for open system Be sure to attach an overflow pipe to the receiver tank and lead the pipe to a safe place See Fig 5 14 Cautions for closed system Be sure to use steam as driving fluid Contact us if you have to use fluid other than steam Be sure to install pressure equalizer at a place higher than the steam inlet of the heat exchanger See Fig 6 Be sure to attach air vent valve and check...

Страница 10: ...pressure is back pressure at outlet side 0 1 to 0 2 MPa Enlarged differential pressure leads to cause water hammer 7 2 Operation method Open system See Fig 5 for marks and numbers of stop valves Stop operation immediately when water hammer occurs and close operating stop valves 1 Open stop valve V4 at condensate outlet slowly until it is full open 2 Open stop valve V3 at vent port slowly until it ...

Страница 11: ...lt may damage the gasket causing steam blowout and scalds Caution 1 Perform periodic inspection to maintain functions and performance of the product General users should ask experts staff of facility management engineering companies etc to perform periodic inspection 2 After leaving the product not operated for a long period perform periodic inspection before start up of operation After periodic i...

Страница 12: ... at the recommended intervals See Fig 8 for the numbers inside the brackets Caution 1 Replace the parts periodically at the recommended intervals Failure to perform periodic part replacement may cause malfunction of the product List of parts to be replaced periodically Part name Recommended replacement intervals Vent valve P 4 2 years or 120 000 cycles of operation whichever is earlier Vent valve ...

Страница 13: ...e V1 Strainer 2 on pipe at driving fluid port is clogged Disassemble strainer 2 and clean the screen Driving pressure exceeds the specified range Adjust driving pressure according to specifications See 1 Specifications Check valve 9 at condensate outlet is installed in opposite direction Or the valve does not open If in opposite direction install in proper direction Replace if it does not open Che...

Страница 14: ...down completely Failure to follow this notice may cause injury or burn by residual pressure Caution 1 Use a container to receive condensate that flows out when performing disassembly Failure to follow this notice may stain peripheral devices by condensate 2 Confirm that seats including inlet valve P 6 vent valve P 4 and vent valve seat 5 are free from scratches dents and stains Clean if stained Re...

Страница 15: ...en cap 10 using socket wrench width across flats 32 mm and then remove cap 10 and gasket 11 Procedure 2 Loosen inlet valve seat 6 using socket wrench width across flats 32 mm and then remove inlet valve seat 6 and gasket 8 Procedure 3 Loosen inlet valve seat 5 using spanner width across flats 41 mm and confirm that it can be turned by hand When it is removed vent valve seat part of vent valve P 4 ...

Страница 16: ...float arm part of vent valve P 4 using spanner width across flats 24 mm apply spanner width across flats 24 mm to hex part of float 9 and remove float 9 Procedure 6 Remove 2 hex bolts 13 attached to cover 2 using socket wrench width across flats 19 mm and remove vent valve P 4 Procedure 7 Remove vent valve seat 5 and gasket 7 together Float arm part ...

Страница 17: ...ch 41 mm any of those that can apply 140 N m torque Spanner Width across flats 24 mm Hex socket wrench Width across flats 19 mm 32 mm Procedure 1 Apply lubricant oil machine oil to new gasket 7 let it into vent valve seat 5 and put it into cover 2 by hand Procedure 2 Switch vent valve P 4 as below Procedure 3 Put vent valve of vent valve P 4 into vent valve seat 5 Then place vent valve P 4 at the ...

Страница 18: ...valve P 4 Then fix float arm part using spanner width across flats 24 mm tighten the hexagonal portion of float 9 at 50 N m torque using spanner wrench width across flats 24 mm Procedure 6 Apply paste agent to whole part of new gasket 3 and install it on the ditch part of body 1 Recommended paste SOLVEST110 manufactured by STT Inc Procedure 7 Attach cover 2 to body 1 Tighten hex bolt 12 at 70 N m ...

Страница 19: ... Attach inlet valve P 6 at 140 N m torque using torque wrench width across flats 32 mm Attach vent valve seat 5 at 140 N m torque using spanner torque wrench width across flats 41 mm Procedure 10 Apply paste agent to whole part of new gasket 11 and put it on cover 2 Recommended paste SOLVEST110 manufactured by STT Inc Attach cap at 100 N m torque using torque wrench width across flats 32 mm Gasket...

Страница 20: ... to replace float 9 Disassemble the product according to procedures 4 and 5 in 8 4 2 Disassembly method and replace and assemble the gasket according to procedures 5 to 7 and 9 in 8 4 3 Assembly method How to replace inlet valve P 6 Disassemble the product according to procedures 1 and 2 in 8 4 2 Disassembly method and replace and assemble the inlet valve P according to procedures 8 to 10 in 8 4 3...

Страница 21: ... 20 EPDT 292 9 Exploded view Enclosed parts are offered as consumables Fig 8 Exploded view ...

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