{"id":3887,"date":"2023-01-16T15:51:01","date_gmt":"2023-01-16T14:51:01","guid":{"rendered":"http:\/\/lubeteam.it\/product\/2sp\/"},"modified":"2025-11-14T11:54:28","modified_gmt":"2025-11-14T10:54:28","slug":"2sp-pump","status":"publish","type":"product","link":"https:\/\/lubeteam.it\/en\/product\/2sp-pump\/","title":{"rendered":"Seim 2SP Pump"},"content":{"rendered":"

The <\/span>Seim 2SP Pumps<\/span><\/b> represent the evolution of over 35 years of experience in the design and construction of screw rotary pumps<\/span>. Designed to ensure maximum reliability under all operating conditions, this series was developed with the aid of software for hydraulic and dimensional optimization, achieving a compact and robust design<\/span>. Ease of maintenance is a key principle of the project, with simple adjustments and components manufactured without the need for alignment<\/span>.<\/p>\n

Design and Construction Features of Seim 2SP Pumps<\/h3>\n

The construction versatility allows the <\/span>Seim 2SP Pumps<\/span><\/b> to adapt to any customer requirement and to meet the strictest international standards, such as API 676 latest edition<\/span>. <\/p>\n

Pump Body, Liner, and Flanges<\/h4>\n

The pump body, extremely compact, is equipped with large fluid passages and a replaceable wear-resistant liner<\/span>. This liner can be made of a wide range of materials to solve specific pumping and wear issues, while simplifying maintenance operations<\/span>. The standard casing is designed to operate up to 20 bar at 200\u00b0C<\/span>. The connection flanges comply with international ISO and\/or ANSI standards, with a standard IN-Line arrangement and Side-Top configurations available on request<\/span>. A special heating jacket is available on request<\/span>. <\/p>\n

Rotors, Bearings, and Seals<\/h4>\n

The screw shafts are forged from a single bar, ensuring maximum structural integrity<\/span>. The timing gears and bearings are locked with keys and grooves to allow quick maintenance without the need for adjustments<\/span>. The bearing configuration includes oversized roller elements (NU series) on the gear side and angular contact ball bearings on the drive side, facilitating the maintenance of mechanical seals<\/span>. All mechanical seals are standardized according to API 682, with cartridge versions available on request<\/span>. <\/p>\n

Series 2SP Configurations: L1, L2, L3 and L4<\/h3>\n

The 2SP series is available in four different configurations to cover a wide range of applications<\/span>. <\/p>\n

Model L1<\/h4>\n

Specifically designed for fluids with lubricating characteristics such as hydraulic oils, lubricating oils, and clean fuel oils<\/span>. This self-priming double-entry version is equipped with internal bearings and timing gears, with a single mechanical seal or packing seal<\/span>. <\/p>\n

Model L2<\/h4>\n

Ideal for non-lubricating fluids with low and medium viscosity, such as water, chemicals, and light petrochemicals<\/span>. The compact design features external bearings separated by seals, representing a cost-effective and easy-to-maintain solution for industrial plants<\/span>. <\/p>\n

Model L3<\/h4>\n

Suitable for handling non-lubricating, corrosive, and hazardous fluids of low and medium viscosity<\/span>. This model features a long shaft that allows the installation of a wide range of seal configurations, including cartridge and flanged types, with the possibility of flushing and quenching systems<\/span>. <\/p>\n

Model L4<\/h4>\n

The heavy-duty configuration, designed for hazardous fluids, hydrocarbons, process fluids, and chemicals under severe operating conditions<\/span>. The robust shaft and seal chamber design is fully compliant with API 676 and API 682 standards, allowing the installation of any mechanical seal configuration provided by these standards<\/span>. <\/p>\n

Applications and Regulatory Compliance<\/h3>\n

Thanks to their versatility, the Seim 2SP Pumps<\/b> are used in numerous sectors. They are suitable for Marine applications and can be supplied with approval from the main certification bodies, including ABS, BV, DNV, GL, LR, and RINA<\/span>. The option to equip the pumps with an integrated safety valve, customizable according to plant requirements and compliant with API 520, further extends their application in critical contexts<\/span>. <\/p>\n

Technical Summary Table of Main Features of Seim 2SP Pumps<\/strong><\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Feature<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Flow Rate<\/td>\nfrom 10 to 20000 l\/min (0.6 to 1200 m\u00b3\/h) [cite: 447, 461]<\/td>\n<\/tr>\n
Discharge Pressure<\/td>\nUp to 40 barg (depending on the model) [cite: 215, 461]<\/td>\n<\/tr>\n
Suction Pressure<\/td>\nfrom -0.5 to 10 barg [cite: 447]<\/td>\n<\/tr>\n
Viscosity Range<\/td>\nfrom 1 to 15000 cSt [cite: 445, 459]<\/td>\n<\/tr>\n
Operating Temperature<\/td>\nfrom 0\u00b0C to 300\u00b0C [cite: 447, 461]<\/td>\n<\/tr>\n
Rotational Speed<\/td>\nfrom 750 to 3600 rpm [cite: 445, 459]<\/td>\n<\/tr>\n
Body\/Flange Materials<\/td>\nCast Iron, Carbon Steel, Stainless Steel, Duplex [cite: 449, 463]<\/td>\n<\/tr>\n
Screw Materials<\/td>\nCarbon Steel or Hardened Stainless Steel [cite: 449, 463]<\/td>\n<\/tr>\n
Design Standards<\/td>\nSEIM STANDARD, API 676, BV Mode II, RINA [cite: 447, 461]<\/td>\n<\/tr>\n
IN\/OUT Connections<\/td>\nStandard DIN UNI EN 1092-1 or ANSI B16.5 [cite: 447, 461]<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

The <\/span>Seim 2SP Pumps<\/span><\/b> are twin-screw rotary pumps designed for maximum reliability and compliant with API 676 standards<\/span>. Equipped with a replaceable wear-resistant casing liner and screw shafts forged from a single piece, they ensure robustness and simplified maintenance<\/span>. Available in four configurations (L1-L4), they are ideal for handling lubricating, non-lubricating, corrosive, and hazardous fluids in industrial, marine, and offshore applications<\/span>.<\/p>\n","protected":false},"featured_media":5657,"template":"","meta":[],"product_brand":[],"product_cat":[114,110,113],"product_tag":[333],"class_list":{"0":"post-3887","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-2-screws-pumps","7":"product_cat-pumps-and-motors","8":"product_cat-seim-pumps","9":"product_tag-seim","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"yoast_head":"\nSeim 2SP Pump \u2013 LubeTeam Hydraulic<\/title>\n<meta name=\"description\" content=\"The Seim 2SP Pumps are heavy-duty twin-screw pumps compliant with API 676. 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