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Summary of Contents for Swagelok BS2 series
- Page 1 BS(H)2 and BD2 Back-Pressure Regulator User Manual Read the complete manual before installing and using the regulator.
- Page 2 Safe Product Selection When selecting a product, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. WARNING • Users must be trained and equipped for the handling, use, and servicing of pressure products and systems.
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Page 3: Table Of Contents
Contents Introduction ................................ 4 Overview................................4 Standard Features ............................4 Additional Options ............................4 Oxygen Service ............................... 4 Installation ................................5 Points of Attention Before Installation ......................5 Installation ............................... 5 Panel Mounting ............................... 6 Operation ................................7 Required Tools for Operation .......................... 7 Points of Attention Before Operation ....................... -
Page 4: Introduction
Panel mounting - Panel mounting kit sold separately. No disassembly required Oxygen Service For more information about hazards and risks of oxygen enriched systems see the Swagelok Oxygen System Safety technical report (MS-06-13). Cleaning and packaging to ensure compliance with product cleanliness requirements stated in ASTM G93 Level C is available. -
Page 5: Installation
Installation CAUTION Do not use the regulator as a shutoff device. A level of leakage across the regulator seat can occur during normal operation. Points of Attention Before Installation This regulator can be equipped with a variety of different options. Before installing the regulator you should fully understand the functions of the supplied options and the suitability of your particular regulator for the intended application. -
Page 6: Panel Mounting
Panel Mounting RS2-P-02 and RSH2-P-02 Panel Mounting Kit Installation Item Component Name M5 button head screw Panel mount ring M5 set screw 3 mm hex key 2.5 mm hex key Table 1 Fig 1 1. Cut the appropriate holes in the panel per the dimensions in Fig 1. 2. -
Page 7: Operation
Operation Required Tools for Operation No tools are required for changing the set pressure on a standard regulator. A 20 mm open-ended wrench and a 13 mm open-ended wrench or socket are required for anti-tamper regulators. Points of Attention Before Operation CAUTION The product can be hot or cold, depending on the environmental temperature and the process media temperature. -
Page 8: Maintenance
To reduce maintenance related system downtime to a minimum, either during commissioning or normal operation, Swagelok recommends having maintenance kits readily available on site. The need for maintenance kits is particularly important during the commissioning phase of a system installation due to residual assembly debris remaining in the system. -
Page 9: Points Of Attention Before Removal From The System
Points of Attention Before Removal from the System Swagelok recommends removing the regulator from the system for servicing and maintenance. Follow all local system safety and maintenance procedures when removing the regulator. WARNING Before removing a regulator from the system, to avoid personal injury, you must: •... -
Page 10: Assembly Reference Data
Assembly Reference Data Torque Recommended Lubrication Item Component Name Kit Type(s) lbf·ft (N·m) (included in kit per Table 2) Body Seat retainer Seat O-ring A1, A2, B1, B2, C1 Seat A1, A2, B1, C1 Body plug O-ring B1, B2, C1 Body plug 22 (30) Lubricate threads... - Page 11 BS(H)2 Series Exploded View Fig 2...
- Page 12 BS(H)2 Series Section View Fig 3...
- Page 13 BD2 Series Exploded View Fig 4...
- Page 14 BD2 Series Section View Fig 5...
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Page 15: Disassembly
Maintenance kit components will be supplied preassembled where practicable to aid reassembly. Swagelok recommends replacing all O-rings removed during disassembly. Swagelok recommends that dynamic O-rings should be lightly lubricated per Table 3. NOTICE All threaded components must be lightly lubricated per Table 3 before reassembly to avoid... -
Page 16: Reassembly
Reassembly BS(H)2 Series: Secure the body (1) in a vise, holding on the flats. Insert the seat retainer (2) into the body (1). Fit the body plug O-ring (5) onto the body plug (6). Insert the seat (4) and seat O-ring (3) into the body plug (6). Ensure the seat (4) is oriented correctly per Fig 3. -
Page 17: Testing
Testing Swagelok recommends that the regulator be tested for seat and shell leakage to atmosphere. A well performing regulator will not show any indication of leaking. If any evidence of a leak is identified this must be rectified. Any damaged components must be replaced. -
Page 18: Troubleshooting
Troubleshooting Symptom Cause Remedy Constant leakage from the outlet before the set pressure A damaged seat and/or poppet. Replace the seat and/or poppet. is reached. A damaged O-ring. Replace the O-ring. Leakage between the body Insufficient torque on the spring Tighten the spring housing/dome per and the spring housing/dome. - Page 20 Warranty Information Swagelok products are backed by The Swagelok Limited Lifetime Warranty. For a copy, visit swagelok.com or contact your authorized Swagelok representative. Swagelok, Snoop - TM Swagelok Company Loctite — TM Henkel Corp. Krytox – TM The Chemours Company ©...
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