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Yoshitake SY-40 Series Product Manual

Strainer
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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
Caution
Usage of the product ····················································· 1
1. Features ···································································· 1
2. Specifications ···························································· 1
3. Dimensions and weights ··········································· 2
4. Operating mechanism ··············································· 3
9. Exploded view ··························································· 9
Information on after-sales services
MODEL SY-40 Series
STRAINER
PRODUCT MANUAL
This symbol indicates a potentially hazardous situation that, if not
avoided, could result in death or serious injury.
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

5.1 Selection of nominal size ···································· 4
5.2 Selection of piping nominal size ························· 4
5.3 Nominal size selection chart ······························· 5
6.1 Example of piping ··············································· 6
6.2 Caution in installing the product ······················ 6-7
7.1 Caution in operating the product ························ 7
8.1 Troubleshooting ·················································· 7
8.2 Caution in maintenance and inspection ·············· 8
8.3 Disassembly procedure ······································ 8
8.5 Assembly procedure ··········································· 8
.
■EPDT-167b■

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Summary of Contents for Yoshitake SY-40 Series

  • Page 1: Table Of Contents

    MODEL SY-40 Series STRAINER PRODUCT MANUAL 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.

  • Page 2: Usage Of The Product

    Usage of the product The product is widely used for dust removal from various types of pipelines. Especially, a strainer shall be installed upstream of a pressure reducing, temperature regulating, solenoid or trap valve to protect and maintain it. 1. Features (1) The product is a high-flow marine type with as large a filtration area as possible to avoid clogging and consequent problems such as flow rate drop.

  • Page 3: Dimensions And Weights

    3. Dimensions and weights [Figure 1] 15-50Ａ [Figure 2] 65-300Ａ (No plug is provided with 15 to 32A ones.) ■SY-40，40C, 40C-N (mm) Nominal Ｌ Ｈ Connection Weight (kg) size R 1/2 R 1/2 10.2 R 1/2 14.5 R 1/2 18.3 100A R 3/4 29.7...

  • Page 4: Operating Mechanism

    4. Operating mechanism № Part name Body Screen Gasket [Figure 3] 15-50Ａ Cover (No plug is provided with 15 to 32A ones) Plug Strainer retainer Hexagon nut Stud bolt Washer [Figure4] 65-300Ａ (No strainer retainer is provided with 65 to 80A ones.) Dust, scale and other foreign matter from the fluid flowing into the strainer through the inlet port are removed by the screen (2).

  • Page 5: Selection Of Nominal Size

    5. Selection of nominal size To make the best use of the strainer and satisfy the operating requirements to the maximum, take notice of the following. The preferred initial pressure loss is 0.02-0.03 MPa. 5.1 Selection of nominal size Select a nominal size equivalent to that of the pipe (piping nominal size = nominal size of strainer).

  • Page 6: Nominal Size Selection Chart

    5.3 Nominal size selection chart (Fluid: Water) Screen:φ1.3-16.2 holes/cm (φ1.5-11.2 holes/cm ) perforations without mesh filter Screen:φ2.5-7.21 holes/cm perforations with 80 mesh filter ΔP: Pressure loss(MPa) - 5 - ■EPDT-167b■...

  • Page 7: Installation Procedure

    6. Installation procedure 6.1 Example of piping Blow [Figure 5] Horizontal piping [Figure 6] Vertical piping (1) The amount of clogging matter may be estimated from the differential pressure measured with pressure gauges installed upstream and downstream of the strainer. (See Figure 5.) (2) They shall be installed with the cap (4) or cover (5) facing downward.

  • Page 8: Operation Procedure

    (mm) Nominal size 100A 125A 150A 200A 250A [Figure 7] Space for removing the screen 300A 7. Operation procedure 7.1 Caution in operating the product Warning Before letting the fluid into the product, check that there will be no possibility of danger if fluid flows into the ends of piping.

  • Page 9: Caution In Maintenance And Inspection

    8.2 Caution in maintenance and inspection Warning When overhauling or inspecting the product, check that the product and piping internal pressures have been released to the atmosphere. When the fluid is hot, cool it down until it can be touched by bare hand. *The residual pressure in the product or piping may lead to injury or burn.

  • Page 10: Exploded View

    9. Exploded view (1) Body (2) Screen (3) Gasket (4) Cap (6) Plug Not provided with 15 to 32A ones. 【図9】15-50Ａ [Figure 9] 15 to 50A (1) Body (2) Screen (3) Gasket (5) Cover (9) Stud bolt (6) Plug (7) Strainer retainer Not provided with 65 to 80A ones.

This manual is also suitable for:

Sy-40Sy-40cSy-40c-nSy-40h

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