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IN21764
Doc. no. XG*-OMW0069
PRODUCT NAME
Parallel Seal Type Gate Valve
MODEL / SERIES / PRODUCT NUMBER
XGTP31*-50336-***
Thank you for purchasing SMC product. For appropriate operation of this
product, please read this operation manual thoroughly to understand. Also, refer
to the drawing, product information for structure and specification of this
product. Confirm operating environment is within operating specifications.
SMC Corporation
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Summary of Contents for SMC Networks XGTP31 50336 Series
- Page 1 IN21764 Doc. no. XG*-OMW0069 PRODUCT NAME Parallel Seal Type Gate Valve MODEL / SERIES / PRODUCT NUMBER XGTP31*-50336-*** Thank you for purchasing SMC product. For appropriate operation of this product, please read this operation manual thoroughly to understand. Also, refer to the drawing, product information for structure and specification of this product.
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Page 2: Table Of Contents
CONTENTS Safety Instructions - - - - - - - - - - - - - - - - - - - - - - - - - - 3 pg. 1. Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - 5 pg. - Page 3 Gate Valve Safety Instructions These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC)∗ 1), and other safety regulations.
- Page 4 Safety Instructions Caution 1.The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary.
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Page 5: Specifications
1. Specifications Opening size 50mm×336mm Atmospheric pressure ～ 10 Operating pressure 0.45 ～ 0.6 MPa Pilot pressure O-Ring Material : FKM 6.5×10 Pa m /sec Internal leakage O-Ring Material : Kalrez 6.5×10 Pa m /sec Internal leakage at Back O-Ring Material : FKM 6.5×10 Pa m /sec... -
Page 6: How To Order
2. How to order XGTP 312-50336-1CN End lock Nil: OPEN / CLOSE N : None Auto switch and the connector (See Table 1) Gate seal material 1. FKM 2. Kalrez ® 4790 Kalrez ®is a registered trademark of DuPont Performance elastomers Opening window size: 50 X 336 mm Valve type... -
Page 7: Construction / Operation
3. Construction / Operation Bonnet Assembly Figure 1 Figure 2A Figure 2C Figure 2B... - Page 8 3-1 Operation Figures 1 and 2B shows the valve in the CLOSED position • As air pressure is applied to the ports, the gate will move towards the desired position. (OPEN / CLOSE) • Figure 2A shows the valve in the OPEN position that would permit the transfer of product within the vacuum environment.
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Page 9: Precautions
4．Precautions Caution 4-1. Air piping Hold the speed controller on the piping port (Rc1/8) lightly and connect the tube. Do not to apply excessive external force to the fittings. The end lock may not operate correctly without using the two position five port valve. 4-2．Installation Tighten the bolts gradually and diagonally (star pattern when possible) by constant torque to avoid uneven force to the bolts. - Page 10 4-5．Speed control Be sure to control speed to open and close the gage in meter out condition. Otherwise, the Gate valve life will be adversely affected. Improper use of speed controls can damage end-lock mechanism as well as shorten life time of valve.
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Page 11: Spare Parts
5 ． Spare Parts List For XGTP312-50336-*** Description Orderable Part No. Applicable Part No Note Body Assembly XGT300-1-1AS XGTP312-50336-*** For XGTP313-50336-*** Description Orderable Part No. Applicable Part No Note Body Assembly XGT300-1-1-3AS XGTP313-50336-*** Common Spare Parts List Description Orderable Part No. Applicable Part No Note XGTP31* -50336-1**... -
Page 12: Troubleshooting
Troubleshooting Status Possible Cause Countermeasure Operating pressure is too low Increase pressure to 0.45MPa or more Foreign materials on Seal surface Cleaning the Seal Surface Scratches on the seal surface of Gate Replace Gate Scratches on the seal surface of Body Replace Body Replace with new O-ring whose material Deterioration of O-ring by process exposure... - Page 13 Appendix Procedure for maintenance Step 1. Remove Body/Cassette 1) Pneumatically open gate valve 3) Remove bonnet assembly from body 2) Loosen bolts at bonnet assembly (8pcs Gate Open Bolts (8pcs) Step 2. Remove Gate 1) Remove gate bolts (2pcs) 2) Carefully remove gate from shaft Gate Shaft Gate Bolts...
- Page 14 Step 3. Replace bellows assembly Bellows replacement can only be performed after “1. Removal of body “ and “ Removal of gate” 1) Remove side plate assembly 2) Remove lever assembly 3) Remove bellows assembly Remove screws (8pcs) mounting the side plate Remove bellows clips (2pcs) and mounting bolts (2pcs) Remove bellows clamps (2pcs) on Lever assembly.
- Page 15 Step 3. Replace bellows ” Bellows replacement can only be performed after “1. Removal of body “ and “ Removal of gate 4) Install bellows assembly 5) Install Lever assembly Step 1) Wipe off the seal surface of bellows assembly Step 1) Mounting Lever assembly and o-ring with clean room grade cloth and alcohol.
- Page 16 Step 4. Install side plate assembly Step 5. Replace Gate O-ring Install side plate assembly from the bottom side and tighten by screws. (8pcs) Procedure for replacing Gate O-ring Remove screws (8pcs) mounting the side plate assembly. Remove O-ring from Gate and wipe off the dust, dirt, etc.. Additionally clean •...
- Page 17 Step 6. Install Gate 2) Attach Gate by Gate mounting bolts (2pcs) 1) Mounting Gate to Shaft • Confirm proper orientation of gate when installing on shaft. Tightening torque: 3.6 +/- 0.3 Nm • (Reference groove for Gate O-ring) Groove Gate Shaft Gate Bolts...
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