leser safety valve manual pdf for sale

You want to maintain or repair a LESER Safety Valve? Then MAINTENANCE offers you an extensive range of documents for the maintenance and repair of the LESER product groups.

leser safety valve manual pdf for sale

Clean Service Clean Service Safety Relief Valves Series 48X CATALOG Clean Service Catalog Edition February 2012 02.2012 The-Safety-Valve.com LESER GmbH & Co. KG 20537 Hamburg, Wendenstr. 133-135 20506 Hamburg, P.O. Box 26 16 51 Fon +49 (40) 251 65-100 Fax +49 (40) 251 65-500 E-mail: sales@leser.com www.leser.com The-Safety-Valve.com E

Type 485 Product group Surface quality High operating to set pressure ratio, high backpressure or low total height? Yes High Efficiency Medium­ controlled Valve finder No Clean Service application? Type 5034 Yes Integrated pipework connection LESER Surface package Clean Service Type of surface Clean finish Area Description HyClean finish Sterile finish B65 B66 B67 Ra max. Ra max. Option code No. Ra max. LESER Surface grade No Yes No Yes API No Steam, gas and liquid application with low capacity in relation to valve size? Yes Modulate Action Spring loaded API specified application? 8 M2 M1...

Valve finder How to select the right Clean Service Safety Valve Type Orifice Features 0,5 x D Cleanability Inlet Cleanability Outlet Capacity Valve dead space ratio1) Description 481 L/D < 1,5 Designed for small capacity; Type 481 offers protection for installations in which Clean Service properties are required only at the valve inlet, e. g. protection of gas systems for the bottling of beverages. L/D < 1,5 Designed for small to medium capacity; Type 483 has optimized Clean Service properties for applications requiring clamp connections. Type 483 is applicable in all Clean Service areas...

General Contents Overview Page LESER Type Page General 5 Type 488 35 Applications and References, General design features 6 HyTight Assembly 7 Materials • HyTight Assembly 36 Surface Quality 8 Surface Definition 9 How to order • Article numbers 38 LESER Surface Packages 10 39 Clamp and threaded connections – Overview 11 Pressure temperature ratings • Metric Units + US Units Clamp connections – Dimensions 12 Low dead space 14 Dimensions and weights • Metric Units • US Units 40 41 Available options 42 Selection chart H8 43 Surface quality 46 LESER Type Page Type 481 15 Materials •...

General General Information LESER – Clean Service Safety Valves The Clean Service product group represents: High aseptic properties Low dead space Best Cleanability (CIP, SIP or COP) LESER´s Clean Service Safety Valves • are designed and manufactured to highest standards and fulfil hygienic and sanitary requirements acc. to DIN 11866 (European Hygienic Pipes Standard) ASME BPE (Bioprocessing Equipment – 2002, a-2003, a-2004) • EN 1672-2 • DIN ISO 14159 • USP class VI and FDA 21 CFR • • • • • • serve for protection of processes and equipment in the foodstuff and pharmaceutical industry. have...

General General Information Applications and References General Design Features LESER´s Clean Service Safety Valves represent the ultimate solution for all critical clean service areas of LESER´s Clean Service Safety Valves offer a large variety of types, materials and options to suit any application: • Food Scope of design • alve sizes d0 10 mm / 0,394 inch through d0 92 mm / V 3,622 inch • Nine orifice sizes from 0,5 x D through P • aterials: 1.4404 / 316L, 1.4435 / 316L M stainless steel as a standard • Standard soft seat for superior tightness • acked knob, packed lifting lever,...

General HyTight Assembly Cleanability first Cleanability first – this is the guideline for the design of the LESER Clean Service Safety Valves. Series 48X provides an optimum of cleanability. The following design features represent the ultimate solution for all critical clean service applications. HyTight stands for Hygienic and Tightness. HyTight Assembly The aseptic O-ring disc is the “heart” of the series 48X. This unique design provides for the first time a really cleanable in- and outlet of a safety valve: 3 1 The O-ring sealing provides superior tightness. 4 2 The elastomer bellows...

General Surface Quality The European Hygienic Engineering & Design Group (EHEDG) and the European Hygienic Pipes Standard DIN 11866 as well as the of ASME BPE 2002, -a- 2003, -a- 2004 provide guidances on the hygienic engineering aspects of manufacturing of safe and wholesome food. SD-3.1.1: – All surfaces shall be cleanable. – urface imperfections S (e. g., crevices, gouges, obvious pits, etc.) shall be eliminated when ever feasible. The surface quality, especially area in contact with product, greatly influences the cleanability of the safety valve. To ensure that the European as well as...

General LESER Surface Definition Clean Service Safety Valves 5 6 3 4 2 1 Surface definition Area Description Surface definition acc. to ASME BPE 2002 · urface permanently in S contact with the product · Design acc. to Part SD · Surface finish in compliance table SF-5 · ifferent surface designation level D acc. to table SF-6 is available S · urface not permanently in contact with the product · uring blow off surface is wetted with D the product · his product cannot flow back to the T process, if the outlet is not connected with the production process S · urface finish preponderant in...

General LESER Surface Packages In order to cover international surface requirements like DIN 11866 as well as ASME BPE, LESER defines surface packages (Clean finish, HyClean finish, Sterile finish) and surface grades (M1 – M6 mechanically polished, ME1 – ME6 mechanically polished and electropolished). LESER surface grade Depending on the manufacturing technology the LESER surface grade differentiates between mechanically polished and mechanically polished and electropolished. Following tables show the comparison of LESER surface grade, hygiene class recording to DIN 11866 and surface...

General Clamp and threaded connections Overview LESER is able to deliver a wide range of connections required for clean service applications. For ordering the right connection please specify inlet and outlet by LESER option code. If the option code is not stated in this table please refer to connection pages of each Type. Overview Clamp connection Clamp connection Clamp connection Clamp connection Threaded connection Threaded connection BO SO CO DO XG XN According to ASME BPE DIN 32676 ISO 2852 ISO 2852 DIN ISO 228 ASME B 1.20.1 Pipe standard BS 4825-1 DIN 11850 ISO 2037 DIN EN ISO 1127 G...

leser safety valve manual pdf for sale

André Ramseyer AG Flamatt, Switzerland info@ramseyer.ch LESER UK Bristol, Great Britain sales@leser.co.uk High Performance 1 LESER worldwide Hong Kong LESER Shenzen, China sales@leserchina.com High Performance Flanged Safety Relief Valves Series 441 Series XXL Series 444 LESER Polska Poznan, Poland leser@leser.pl LESER S.A.R.L. Toulouse, France contact@leser.fr LESER LLC Charlotte (NC), USA salesus@leser.com LESER LTDA. Rio de Janeiro, Brazil leser.vendas@leser.com.br LESER representatives LESER LLP Singapore sales@leser.com.sg LESER Office Middle East Bahrain gopal.n@leser.com FAINGER LESER Valves Mumbai, India info@fainger.com LESER stock and local assembly CATALOG 1 High Performance Catalog 1 Edition May 2012 / 2.000 0777.5465 The-Safety-Valve.com LESER GmbH & Co. KG 20537 Hamburg, Wendenstr. 133-135 20506 Hamburg, P.O. Box 26 16 51 Fon +49 (40) 251 65-100 Fax +49 (40) 251 65-500 E-Mail: sales@leser.com www.leser.com The-Safety-Valve.com E

Product Range LESER Safety Valves for every industrial application High Performance Compact Performance Series 441 Type 441, 442 DIN Type 441, 442 ANSI API Series XXL Type 441, 442 XXL High Efficiency Clean Service H 2 SO 4 HNO 3 NH 3 HCL Critical Service Series 444 Type 444 DIN Type 444 ANSI Series 441 Full nozzle Type 441, 442 Full nozzle DIN Modulate Action Type 441, 442 Full nozzle ANSI Series 458 Best Availability Type 455, 456 Type 457, 458 to refer lease ormance P Perf High atalog 2 C

General Type 441, 442 DIN DN 20, 40, 50 Set pressure 0.1 – 40 bar, 1.5 – 580 psig Flanges according to DIN EN 1092 Frontview 441 ANSI H4 4c Type 441, 442 ANSI Valve size 1" – 4" Set pressure 0.1 – 51 bar, 1.5 – 740 psig Flanges according to ASME B16.5 FV 441 FN H2 4c Type 441, 442 XXL DN 200 – 400, 8" – 16" Set pressure 0.2 – 25 bar, 3 – 360 psig Flanges according to DIN EN 1092 and ASME B16.5 Frontview 441 XXL H4 4c Type 444 DIN DN 25 – 80 Set pressure 0.1 – 16 bar, 1.5 – 232 psig Flanges according to DIN EN 1092 Type 444 ANSI Valve size 1" – 3" Set pressure 0.1 – 16 bar, 1.5 – 232 psig...

Contents Overview Chapter/Page General 00/05 How to use: Signs and symbols, Flange drillings and facings 00/07 How to use: Determination of coefficient of discharge Kdr / w Pressure temperature ratings • Metric Units • US Units Flange drillings and facings Order information – Spare parts Available options Approvals Capacities • Steam [Metric Units + US Units] • Air [Metric Units + US Units] • Water [Metric Units + US Units] 00/09 LESER Effective Orifice LEOS/G 00/11 LESER Effective Orifice LEOL 00/12 Sour gas service 02/10 02/11 00/08 How to use: Capacity sheets 02/06 02/08 Dimensions and...

General General Information LESER – High Performance Safety Valves The High Performance product group represents 3 High capacity related to the safety valve size 3 High adaptability 3 Excellent price / performance ratio LESERs High Performance Safety Valves Are designed to meet all industrial applications. Open rapidly with an overpressure of 5 % to the full design lift. • re used particularly for vapours and gases where A the maximum mass flow has to be discharged rapidly. • ave a maximum blowdown of minus 10 % for steam/ H gas service and minus 20 % for liquid service. • re one of the...

General General Information Applications General Design Features LESER – High Performance Safety Valves LESERs High Performance Safety Valves Are the ultimate solution for all industrial applications for steam, gas and liquid. Offer a large variety of types, materials and options to suit any application: Typical applications for LESER High Performance Safety Valves are: valve sizes from DN 20 to DN 400 – 3/4" to 16" provide a high connectivity to the application • nlet pressure ratings PN 16 to PN 400 / class 150 to I class 2500 to fit all required design pressures • Orifice sizes from E to...

How to find the right Product Group Yes High Efficiency Yes Clean Service Yes Critical Service Medium­ controlled High operating to set pressure ratio, high backpressure or low total height? No Clean Service application? No Critical Service / highly corrosive application? Yes API No Steam, gas and liquid application with low capacity in relation to the valve size? Yes Modulate Action Spring loaded API specified application? Safety Valves No No Orifice ≥ F High Performance Required Orifice letter? Additional components beyond safety valves 00/03 Yes Best Availability Bursting­ disc Orifice ≤...

General Valve finder How to find the right Safety Valve DIN EN 1092 ASME B16.5 Flange standard? No Full nozzle-design required? Type 441 DIN Type 442 DIN Type 441 ANSI Type 442 ANSI DIN EN 1092 ASME B16.5 Yes Type 441 Full nozzle DIN Type 442 Full nozzle DIN Type 441 Full nozzle ANSI Type 442 Full nozzle ANSI ≤ PN40 / CL300 ≥ PN63 / ≥ CL600 Flange rating? Semi nozzle up to 100 bar / 1450 psig Full nozzle up to 400 bar / 5800 psig ≤ DN 150 / 6" ≥ DN 200 / 8" Valve size, inlet? Serie 458 Type 455 Type 456 Type 457 Type 458 Type 441 XXL Type 442 XXL General industry Stainless steel...

General Valve selection Temperature range Type acc. to DIN EN 441, 442 DIN 441, 442 ANSI 441, 442 XXL 444 DIN 444 ANSI 441, 442 441, 442 Full nozzle Full nozzle DIN ANSI 455, 456 457, 458 -270 -270 -270 -196 -45 -45 -270 -270 -85 450 450 550 200 200 450 450 550 550 min. [°F] -454 -454 -321 -49 -49 -454 -454 -121 -454 max. [°F] acc. to ASME min. [°C] max. [°C] 842 842 1022 392 392 842 842 1022 1022 -268 min. [°C] -268 -268 -184 -45 -45 -268 -268 -129 max. [°C] 538 538 427 200 200 538 538 538 538 min. [°F] -450 -450 -300 -49 -49 -450 -450 -20 -450 max. [°F] 1000 1000 800 392 392 1000 1000...