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Summary of Contents for Swagelok BSH 10 Series
- Page 1 BS(H)10/15 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 Operation ................................6 Required Tools for Operation .......................... 6 Points of Attention Before Operation ....................... -
Page 4: Introduction
The regulator is available with the following options: Anti-tamper 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 and connections. 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: Operation
Operation Required Tools for Operation A 19 mm open-ended wrench is required for changing the set pressure on a standard regulator. A 19 mm and 32 mm open-ended wrench 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 7: 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 8: 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 9: Assembly Reference Data
Assembly Reference Data Torque Recommended Lubrication Item Component Name Kit Type(s) lbf·ft (N·m) (included in kit per Table 1) Body plug C1, C2 Lubricate threads 37 (50) Body plug O-ring B1, B2, C1, C2 BS(H)10: 7 (10) Seat A1, B1, C1 Lubricate threads BS(H)15: 11 (15) Seat O-ring... - Page 10 BS(H) Series Exploded View Fig 1...
- Page 11 BS(H)10 Series, Diaphragm Sensing, Section View Fig 2...
- Page 12 BS(H)10 Series, Piston Sensing with Anti-Tamper, Section View Fig 3...
- Page 13 BS(H)15 Series, Diaphragm Sensing, Section View Fig 4...
- Page 14 BS(H)15 Series, Piston Configuration; Control Range 5 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 2. NOTICE All threaded components must be lightly lubricated per Table 2 before reassembly to avoid... -
Page 16: Reassembly
Reassembly BS(H)10 Series: Diaphragm Sensing 1. Fit the seat O-ring (4) onto the seat (3). 2. Lightly lubricate the seat threads (3) and insert into the body (5) using the seat insertion tool. 3. Torque the seat to 7 lbf·ft (10 N·m). 4. -
Page 17: Bs(H)15 Series: Diaphragm Sensing
BS(H)15 Series: Diaphragm Sensing 1. Follow steps 1 and 2 of the BS(H)10 series diaphragm sensing reassembly procedure. 2. Torque the seat to 11 lbf·ft (15 N·m). 3. Follow step 4 of the BS(H)10 series diaphragm sensing reassembly procedure. 4. Fit the poppet O-ring (6) into the body plug (1) and lightly lubricate it. 5. -
Page 18: 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 19: Troubleshooting
Troubleshooting Symptom Cause Remedy Constant leakage from the outlet before the set pressure is A damaged seat and/or poppet. Replace the seat and/or poppet. reached. Leakage around the body plug. A damaged O-ring. Replace the O-ring. A damaged diaphragm or O-ring. Replace the diaphragm or O-ring. - 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 Krytox – TM The Chemours Company © 2018 Swagelok Company July 2018, RevB...
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