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The-Safety-Valve.com LESER at a glance LESER at a glance
The-Safety-Valve.com
LESERat a glanceLESERat a glance
High PerformanceHigh PerformanceSeries 441
Applications Product features• Heat exchanger
• Chemical equipment and piping
• General steam installations
• Pressure vessels and piping systems
containing gas, air and liquid or steam
• Air / gas compressors and pumps
• For use in Non-API applications
• Valve sizes from 1" through 16"
• Materials: WCB or CF8M
• Single trim for steam, gas and liquid
• Standard metal sealing, stellited,
or O-ring disc for superior tightness
• Optional bellows design available
• High capacity compared to Type 526
Series 437, 459
Applications Product features• Thermal relief
• Air / gas compressors and pumps
• Industrial gases and CO2 plants
• LPG / LNG terminals, carriers etc.
• Chemical equipment and piping
• Cryogenic systems and oxygen
applications
• Valve sizes from 1/2" through 11/2"
• Materials: WCB, CF8M, 316L, specials
• Threaded or flanged connections
• Optional bellows design available
• Set pressure range up to 11600 psig
• Standard metal sealing, stellited,
or O-ring disc for superior tightness
• Single trim for steam, gas and liquid
Products at a glanceProducts at a glance
Compact PerformanceCompact Performance
Series 526
Applications Product features• Oil and gas
• Refineries
• Chemical industry
• Petrochemical industry
• Valve sizes 1" through 8", Orifice D through T
• Materials: WCB, CF8M, WC6, LCB, specials
• Design according to API 526
• Single trim for steam, gas and liquid
• Standard metal sealing, stellited,
or O-ring disc for superior tightness
• Optional bellows design available
APIAPI
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Series 437
Series 459
Products at a glanceProducts at a glance
Clean ServiceClean Service
Change-over valveChange-over valve
Series 48x
Applications Product features• Pharmaceutical industry
• Breweries
• Food and beverage industry
• Cosmetic industry
• Valve sizes 1" through 4"
• Materials: 316L stainless steel, specials
• No bacteria traps or contamination
• Minimum dead leg design and flush-mounting capability
• Gap and crevice free design of internals
• Optional pneumatic lifting device and proximity switch
for plant automation
• Wetted-part surfaces acc. to ASME BPE 2002
• Standard elastomer bellows for protection of the hard to
clean parts
• Single trim for steam, gas and liquid
Series 310
Applications Product features• Continuosly functioning plant
– Bitumen refineries
– Oilfields
– Ethylene plants
• Non-drainable systems
– Natural gas caverns
– Storage tanks
• Valve sizes 1" through 16"
• Materials: WCB, CF8M
• Compact design
• Full flow area on change-over
• Standard packing gland or optional bellows design available
• Low pressure losses on discharge flow (3% criteria)
Critical ServiceCritical ServiceSeries 447
Applications Product features• Corrosive or aggressive chemicals
• Chemical equipment and piping
• Chlorine manufacture and processing
• Reducing acids
• Alkalis or caustic service
• Valve sizes 1" through 4"
• Body: WCB, PTFE-lined
• Isostatic lining in virgin PTFE
• Smooth PTFE surface, no adherence
• Nozzle: PFTE / glass sintered
• Single trim for gas and liquid
• Maximum set pressure 232 psig
TEFLON®-lined
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Type 485
Type 484
Type 483
Proven technologyProven technology
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Flanged Safety Relief Valves
LESER safety relief valves have been optimized, in close cooperation with plant engineers and service specialists, simplifying design with fewer components for less down time, fewer spare parts and lower maintenance costs.
Integral cast support brackets for safe handling of the valves (API and heavy safety valves).
One piece spindle allows better alignment.
Guiding: Upper and lower guiding with small surface areas help reduce friction, a major cause of galling.
Long spring allows large pressure range for each spring thus drastically reducing the overall number of different springs.
Single trim for steam, gas and liquids for fewer spare valves in your stock.
Stellited or hardened metal sealing for longer product life.
LESER defi nes the set pressure as “initial audible discharge” (not “pop”). This avoids damage to valve seats during set pressure testing and allows for higher shut-off closer to set point.
Self-draining body avoids residue build-up and reduces corrosion.
Options
LESER´s safety relief valves can be customized with a great variety of options.For further information please refer to “Available options” of each Type.
API: Full nozzle design
High Performance: Semi nozzle – full bore – design
Soft seat solutions for superior tightnessO-ring or sealing plate design
O-ring Sealing plate
Proven technologyProven technology
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One piece spindle reduces friction and allows better alignment.
Long spring allows large pressure range for each spring thus drastically reducing the overall number of different springs.
Single trim for steam, gas and liquids for fewer spare valves in your stock.
Stellited or hardened metal sealing for longer product life.
Self-draining body avoids residue build-up and reduces corrosion.
Threaded or fl anged connections for optimized adaption to the plant.
Flanged connections acc. to ANSI/ASME B16.5Flanges acc. to other standards, e.g. ISO, DIN, JIS are also available.
Threaded connections male or female acc. to NPT ANSI/ASME B1.20.1.Threads according to other standards, e.g. ISO, DIN, BSP are also available.
Metal Seat
Male thread Flanged version
Soft seat solutions for superior tightnessTwo designs: O-ring disc or plastic seat
Plastic seatO-ring
Compact Performance Safety Relief Valves
Female Thread
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LESER GmbH & Co. KG is headquartered in Germany and maintains a state-of-the-art fac-tory with almost 400 employees. ISO 9001 certified, LESER can guarantee a high stan-dard of quality by following an “in-house” manufacturing philosophy, which has allowed LESER to become an industry leader for safety valves world-wide.
LESER was founded in 1818, nearly 200 years ago, as a brass foundry during the “industrial revolu-tion”. Over the following years, LESER developed a pro duct portfolio consisting of components for mechanical equipment.
In 1885, LESER supplied the first safety valve. Since the 1970s LESER became specialized solely in the production of safety valves. During the 1980s LESER became the leading supplier for safety valves in Europe and continues to strengthen its position with each passing year.
Growth in the North American market led LESER to found its first fully owned subsidiary, LESER LLC in Charlotte, North Carolina in 2007. LESER LLC has now formed a sales, distribution, and service net-work which includes its own stocking and setting facility. Now LESER is in the position to supply a full range of applications for high quality ASME-code stamped safety valves to North America.
The CompanyThe Company
1885Complete range of steam fi ttings, incl. safety valves
1957First test lab for safety valves
1980sLeading supplier for safety valves in Europe
1994Test lab receives ASME certifi cation (fi rst and only outside of the US)
2007LESER LLC established its own stocking and assembly facility
1818Founded as a brass foundry in Hamburg,Germany
1943Destruction of the plant, relocation and founding of new factory in Hohenwestedt, Germany
1970sSpecialization in safety valves
1990First ASME approval
2003LESER LLC is founded
Corporate VisionIn the “world of safety valves” and their applications we are developing LESER into a world leader who is a competent, reliable and responsive partner for our customers.
Due to our worldwide activities we are experi-encing steady growth.
Commitment, Integrity and Tradition are the foundation of our company.
All LESER Safety Valves carry CE and ASME Certifications.
Time line
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SpotlightSpotlight
“High Performance” staffAll LESER LLC employees have a high level of ex-pertise and go through rigorous training. Training is considered a continual process and not a one-time activity. With a “High Performance” staff, LESER LLC is able to provide fast and detailed responses for all customers.
Fast deliveryLESER LLC carries millions of dollars worth of valves and parts at its Charlotte, NC facil-ity. LESER is able to supply safety valves in1 week or less (same-day possible for emergencies) and same-day for spare parts.
Global approvals and setting facilityLESER LLC is able to supply valves into applications requiring the UV stamp, CE mark, and other world-wide approvals from stock. LESER LLC maintains a fully operational assembling and setting facility which is certified by the ASME, National Board. Ev-ery safety valve is thoroughly tested to ensure the valve is tight and is functioning properly.
Factory-equivalent supportLESER LLC’s sales system is directly integrated with LESER’s factory in Germany. This direct link allows LESER LLC to provide accurate delivery times for factory direct shipments. LESER LLC also has daily contact with and is regularly visited by factory specialists, ensuring strong product knowledge. Regular training keeps LESER LLCemployees focused and updated on any code or product changes that might occur. In the end, LESER LLC is able to provide factory-equivalent support.
Spotlight on LESER LLC in Charlotte, North Carolina
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10 good reasons to use LESER safety valves
High quality manufactured in Germany,assembled in the USAll LESER safety valves are manufactured in-house in Germany and later assem-bled at LESER’s certified assembler location in the US. LESER can ensure high quality through its highly trained staff and state-of-the-art machinery. As a result, LESER can also guarantee the highest reliability and lowest life cycle costs.
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2Service and availabilityA dense worldwide net-work of sales and service representatives guaran-tees close relationships with customers, the fast-est response times, and the shortest down times for service and mainte-nance. LESER LLC car-ries an extensive stock of safety valves and spare parts which allows a lead time of one week or less (emergency orders can be handled in 24 hours).
Global approvalsLESER is able to supply safety valves all over the world due to its many world-wide approvals. LESER is approved for applications for the American ASME-UV stamp, European PED-CE Mark, Chinese AQSIQ and Canadian CRN, as well as many other approvals. No modifications of LESER products are required in order to supply for these approvals.
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Product literature in every language LESER’s worldwide pres-ence and dedication to customers has led it to develop documentation and literature in many lan-guages. All LESER’s litera-ture is available in hard-cover in English, Spanish, French, German, Russian, and other languages. LESER’s literature is also available for download at www.leser.com.
As a result, LESER can meet customers’ require-ments for documentation in all languages.
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Sizing and selectionsoftware VALVESTAR®
LESER’s excellent, free of charge sizing software VALVESTAR® 7 features user friendly selection wiz-ards, which allows for quick results. Another key fea-ture is the ability to create reports with customized/individualized designs to allow the user to adjust the report to specific needs. VALVESTAR® 7 is also the first safety valve siz-ing software to be offered in an online version at www.valvestar.com.
No local installation on the user’s computer is required to use the online version.
4Assembled in USA
Manufactured in Germ
any
10 good reasons10 good reasons
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10 good reasons10 good reasons
Installed base and global contractsLESER’s market leader-ship in Europe and strong worldwide presence is documented by more than 1,000,000 safety valves currently in service all around the world. LESER supplies safety valves to more than 3,000 custom-ers and has global con-tracts with DOW Chemical, BASF, CIBA, Tetrapak and Bayer. With such a large installed base LESER’s safety valves are proven each day.
For references please visit www.leser.com.
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ASME and CE approved test facilitiesLESER’s test lab is one of the biggest in the world. In 1990 LESER’s test lab was approved by the ASME-NB as the first and only air and water certified “Testing Laboratory” outside of the US. In addition to capacity tests, LESER is able to sim-ulate back pressure tests and other situations. This thorough testing ensures LESER valves are able to function properly in a wide range of applications.
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Proven design / lower cost of ownership / better functionThe efficient design of LESER’s safety valves reduces maintenance and life-cycle-costs. The improved alignment, with upper and lower guid-ing allows for increased lifetime (less galling) and increased tightness.
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Commitment LESER’s main focus is on producing high qual-ity safety relief valves to meet all customer require-ments. The combination of long standing expertise of LESER employees, high percentage of engineers, and constant research and development allows LESER to achieve this goal.
LESER is also dedicated to providing as much sup-port to the customer as possible. No matter where the customer is located they can expect prompt answers to questions and inquiries. LESER employ-ees and partners are able to pass on their technical expertise through semi-nars, “lunch & learns”, and one on one meetings with our customers.
10Product portfolioLESER has developed a wide range of special-ized safety valves which operate efficiently whether supplying chemical, pet-rochemical, general indus-trial, food and beverage, or pharmaceutical applica-tions. Additionally, LESER is able to supply highly customized solutions to meet all customer require-ments.
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Abbreviation LESER Partners US Phone Fax E-mail
ASEAffi liated Steam Equipment Company
IL-North / IN / KY-West / WI 708-371-0600 708-371-0670 sales@affi liatedsteam.com
AVIAdvance Valve Inc. IL-South / MO-East
636-343-8525 636-343-9509 [email protected]
BRSBlackhawk Relief Systems
LA / AR 318-640-2565 318-640-2514 [email protected]
BSBBS & B Pressure Safety
MI 616-913-2209 616-458-5254 [email protected]
CACurran Associates Inc.
OH-South / KY-East 513-779-1116 513-777-0676 [email protected]
CICControls Instruments Company Inc.
GA / NC / SC / TN-East 704-786-1700 704-786-1753 [email protected]
CPICPI Controls Inc.
CT / ME / MA / NH / NY-East / RI / VT 401-723-5900 401-723-5270 [email protected]
CPSCPI Process Systems, Inc.
NY-West716 675-0134 716 675-8198 [email protected]
CVSCrane Valve Service
TX 713-671-4733 713-671-4745 [email protected]
HCHeartland Controls
KS / MO-West913-239-8805 913-239-8806 [email protected]
ICEIndustrial Controls & Equipment
PA-West / WV 724-684-5117 724-684-4490 [email protected]
PQPro Quip Inc,
DE / MD / NJ / PA-East 302-999-0014 302-992-0234 [email protected]
RSSR.S. Stover Company
IA / NE 641-753-5557 641-752-1650 [email protected]
WMWW.M. Wilson Company, Inc.
OH-North 440-572-0663 440-572-5613 [email protected] LESER Partners Canada Phone Fax E-mail
MVFMVF Matheson Valves
ON / QC514 337-1106 514 745-1542 amatheson@mvfl td.com
ASLArinah Services Ltd.
AB780 437-4550 780 437-6045 [email protected]
Sales network
ContactsContacts
Please contact a LESER-Partner for quotation and discount.
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ContactsContacts
Abbreviation Region LESER authorized repair centers (LARC) Contact
AVI MidwestAdvance Valve Inc. (Assembler)
212 Fabricator DriveFenton, MO 63026
Phone:Fax:
E-mail:Website:
636-343-8525636-343-9509
CVS Gulf coastCrane Valve Service (Assembler)
1202 Hahlo StHouston, TX 77020
Phone:Fax:
E-mail:Website:
713-671-4733713-671-4745
BRS Gulf coastBlackhawk Relief Systems (Assembler)
10148 Highway 165 NPollock, LA 71467
Phone:Fax:
E-mail:Website:
318-640-2565318-640-2514
CVS NortheastCrane Valve Services
1709 Imperial WayThorofare, NJ 08086
Phone:Fax:
E-mail:Website:
856 845-7100856 845-9290
ICE Northeast
Industrial Controls & EquipmentRiverfront Industrial Park
210 Riverview DrMonessen, PA 15062
Phone:Fax:
E-mail:Website:
724-684-4156724-684-4490
MCS Southeast
Machined ComponentServices of Charlotte, Inc.
706 State StreetCharlotte, NC 28208
Phone:Fax:
E-mail:Website:
1-800-528-6639704-394-4075
LLC All other areasLESER, LLC
10615 Texland Blvd Ste 100Charlotte, NC 28273
Phone:Fax:
E-mail:Website:
704-587-3670704-587-3672
LESER authorized repair centers (LARC)
Please contact a local LARC for repair service.
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The-Safety-Valve.com
Customer Service – Fax order sheetPlease send your request to your local representative or contact LESER LLC:
Fax: 704 587-3672 E-mail: [email protected]
Company: Phone:
Location: Fax:
Name: E-mail:
Reference: Date:
LESER Product Catalogs
Additional Documents
Language Quantity
English (US)
Language Quantity
Spanish
English
Complete product binder
High Performance
Language Quantity
English (US)
Spanish
API Series
Image brochure “Condensed Catalog”
Language Quantity
English (US)
Spanish
Compact Performance
Language Quantity
English (US)
Language Quantity
English
Language Quantity
English
Language Quantity
English (US)
VALVESTAR® CD-ROM
Clean Service
Language Quantity
English (US)
Critical Service
LESER Sales & Service Contacts Worldwide
Change-over valve
Language Quantity
English (US)
Web version available at www.valvestar.com
10615 Texland Boulevard, Suite 100Charlotte, NC 28273, USA
Phone: 704-587-3670Fax: 704-587-3672
LESER LLC E-mail: [email protected]
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