Piston Pumps 系列Industrial Duty High Pressure Positive Displacement Triplex Piston PumpsCat Pumps high-pressure piston pumps are recognized in the industry asthe longest-lasting, most reliable pumps av......

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Piston Pumps 系列

Industrial Duty High Pressure Positive Displacement Triplex Piston Pumps

Cat Pumps high-pressure piston pumps are recognized in the industry as the longest-lasting, most reliable pumps available. Cat Pumps designs and builds products to the highest quality level because our customers depend on our products to keep their equipment running.

Piston pump performance range is 3.0 GPM to 60 GPM (11.3 to 227 LPM) and 100 PSI to 1,500 PSI (6.9 to 103 BAR). Piston pumps exhibit excellent suction capability, often not requiring flooded suction or booster pumps. Pumps are available with brass and 316 stainless steel manifolds and 304 stainless valve components. Cat Pumps has built a worldwide distribution network for pumps, parts, and accessories when servicing is required. Our superior design, including proprietary seal and valve kits, makes maintenance easy. You can count on Cat Pumps to keep you running with the best service and fastest delivery in the business.

ATEX Pumps 系列

ATEX Compliant Pumps from Cat Pumps

Cat Pumps offers a complete line of pumps that meet the ATEX 2 directive for pumping applications located in potentially explosive atmospheres. Pump compliance with the ATEX directives is common in industries such as petrochemical, chemical, oil & gas, and bio-fuels.

Under the appropriate ATEX directive, equipment is designated by group, category and zone. Cat Pumps has been certified as ATEX 2 compliant, which also covers the ATEX 3 requirements.

All Cat Pump models (excluding gearbox driven) in the following frame sizes are compliant with the ATEX directive for Group 2, Category 2 and Zones 1 and 2 (Group 2 includes Zone G) :

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Equipment Designations

Group 2 identifies equipment used in hazardous explosive atmospheres other than mining.
Category 2 defines the level of protection required. Equipment in this category is intended for use in areas in which explosive atmospheres caused by gases, vapors, mists, or air/dust mixtures are likely to occur.
Category 3 is equipment intended for use in areas in which explosive atmospheres caused by gases, vapors, mists or air/dust mixtures are unlikely to occur or, if they do occur, are likely to do so only infrequently and for a short period only.
Zone 1 is a place in which an explosive atmosphere consisting of a mixture with air of dangerous substances in the form of gas, vapor or mist is likely to occur in normal operation occasionally.
Zone 2 is an area in which an explosive mixture is not likely to occur in normal operation and if it occurs it will exist only for a short time

Order Information

Cat Pumps ATEX certified high-pressure pumps are specially labeled and are supplied with a signed ATEX Declaration of Conformity. ATEX certified pumps are numbered with “.ATEX2" suffix added to the standard pump model number.