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Yoshitake ST-10 Product 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
Caution
1. Usage of the Product ·················································· 1
2. Specifications ···························································· 1
3. Dimensions and Weights ············································· 2
4. Nominal Size Selection ··············································· 4
5. Installation ································································ 5
6. Operation ································································· 7
7. Maintenance ····························································· 7
7.1 Troubleshooting ···················································· 7
7.2 Daily and Periodic Inspections ································· 8
7.3 How to Detach/Clean the Screen ······························ 8
7.4 Reassembly ························································ 10
7.5 Exploded view ····················································· 12
Warranty Information
MODEL ST-10
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.
5.1 Piping Example ··················································· 5
5.2 Precaution for Installation ······································ 6
6.1 Precaution for Operation ········································ 7

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■EPDT-263b■

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Summary of Contents for Yoshitake ST-10

  • Page 1: Table Of Contents

    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. The symbols used in this manual have the following meanings.

  • Page 2: Usage Of The Product

    1. Usage of the Product The ST-10 strainer is used for dust removal in piping. 2. Specifications Model ST-10 Nominal size 125-250A *1 Cold and hot water, Oil (Kerosene, Heavy oils A and B), Application Other non-dangerous fluids Maximum working pressure 1.0 MPa...

  • Page 3: Dimensions And Weights

    3. Dimensions and Weights ・125～200A No. Parts name No. Parts name Body 10 Bolt Cover 11 Nut Stopper ring 12 Spring washer Cover plate 13 Plug Screen 14 Bolt Handle 15 Plug O-ring 16 Eye bolt O-ring 17 Name plate Thumbscrew 18 Rivet * Eye bolt [16] is available only for 150 to 250A.
  • Page 4 ・250A （mm） Screen Weight Nomin Plug Plug (kg) al size [13] [15] 250A R1/2 R3/8 ・250A with Davit ※Davit mounting position A or B is optional. No. Parts name ㉑ Davit ㉒ Davit handle ㉓ Hanging bracket ㉔ bracket Weight (kg) ■EPDT-263b■...

  • Page 5: Nominal Size Selection

    4. Nominal Size Selection Select a strainer of the same nominal size as that of the pipe (nominal size of piping = nominal size of strainer). Note that using a strainer of a smaller nominal size increases the pressure loss of the strainer and may result in the pressure fallen below the specified level at the inlet side of the equipment (see Fig.

  • Page 6: Installation

    5. Installation 5.1 Piping Example Pressure Pressure gauge gauge Fig. 2 Table 1. Weight of Cover Set Size Weight (kg) 125A Blow 150A valve 200A 250A Fig. 3 Clogging condition inside the product can be known from the differential pressure measured when pressure gauges are installed before and after the product (see Fig.

  • Page 7: Precaution For Installation

    5.2 Precaution for Installation Since the product is heavy, securely support it with lifting devices or the like while installing. See the product weight specified in “3. Dimensions and Weights” on Page 2. Warning * Failure to follow this notice may cause falling accident of the product, resulting in bodily injury.

  • Page 8: Operation

    6. Operation 6.1 Precaution for Operation Before letting the fluid into the product, make sure that there is no danger when the Warning fluid flows at the ends of piping. * The hot fluid, if spouted out, may scald your skin. Use the product under a maximum pressure loss of 0.1 MPa or less.

  • Page 9: Daily And Periodic Inspections

    7.2 Daily and Periodic Inspections Conduct daily and periodic inspection in order to maintain optimum performance of the product. Daily inspection (once a day) Item How to inspect When abnormality is found Clogging of the Check that pressure loss is 1.0 MPa or Disassemble the product and clean or screen [5].
  • Page 10 (4) Grab the handles, rotate the stopper ring *1 If the stopper ring is not turned smoothly, by 45°. *1 lift the handle strongly. The cover is pushed down and the stopper ring can be turned smoothly. Lift the handle strongly. (5) Detach the cover.

  • Page 11: Reassembly

    (8) Detach the screen. Clean the screen using compressed air or a detergent. 7.4 Reassembly Caution 1. Clean the O-ring and its contact surface to remove foreign substances. * Residual foreign substances may cause outside leakage. 2. Apply grease to the O-ring or its contact surface after wiping the old grease (recommended grease: G-501 by Shin-Etsu Chemical Co., Ltd.).
  • Page 12 Caution (3) Rotate the screen by 45°. *3 *3 Rotate the screen until the top (left) corner of the triangle embossed on the body is aligned with the top (right) corner of the triangle printed on the screen handle. If these triangles are not aligned with each other, the screen may come off during use.

  • Page 13: Exploded View

    7.5 Exploded View [14] Bolt Cover Set Eye bolt [16] [15] Plug * [16] is available only for 150 to 250A. [16] Eye bolt [4] Cover plate Bolt [10] [6] Handle [12] Spring washer Stopper ring [3] Handle [6] [11] Nut Cover [2] O-ring [7] Cross-sectional view of the Body...

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