20 Eastgate Industrial Dr.
Grove City, PA 16127

tel 724 458 0700
fax 724 458 6888

DMN Incorporated

DMN has been supplying rotary airlocks and diverter airlocks to the bulk solids handling industry for more than 45 years. As an independent company with no involvement in system design, DMN’s sole activity is the development, manufacture and sale of these components.

Rotary Airlocks

DMN’s rotary valves and diverters have a well-established reputation for being able to handle all kinds of dry powders and granular materials, such as sugar, cocoa, starch, flour, chemical ingredients, lime powder, china clay, fly ash and wood chips.

Diverter Valves

Diverters by DMN come in many types and sizes, suitable for a specific use or a variety of applications.

AL-AXL Dairy

The AL-AXL Dairy rotary airlocks have been designed for use in the food, pet food, chemical and pharmaceutical industries where very high standards apply. The Dairy valves have an official USDA certificate of acceptance for use in dairy plants and are optionally available conforming to the EC 1935/2004 directive.

AL-AXL

The AL and AXL rotary airlocks with enlarged inlet have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and fl exible range of valves many different configurations are available, using standard components.

AL-AXL MZC

The MZC rotary airlocks have proven themselves to be very successful in sanitary applications (Dairy execution) as well as many other applications. The unit has an easy detachable rotor which can be removed within a few minutes to facilitate inspection and cleaning. The configuration with direct drive has a very narrow construction. The direct drive, in conjunction with a frequency inverter, results in a very flexible, safe and maintenance free unit (no chains or grease).

AML

The AML rotary airlocks have been designed for many applications in the metering and pneumatic conveying of products in powder and granular form. The AML valves can also be used as a transition piece from round to square and vice versa.

CIP Rotary Airlocks

The DMN CIP rotary airlocks are suitable for hygienic clean in place (CIP) process systems. The valves were evaluated for compliance with the Hygienic Equipment Design Criteria of the EHEDG and were declared to meet these criteria. Consequently we were presented with the official EHEDG Type EL Class I certificates of compliance for hygienic CIP rotary airlocks.

DL

The DMN DL dust lock is of a dedicated design for filter applications. It can be used with dust filters, cyclones, product separators and dosing systems. The universal flanges are on both sides of the airlock are drilled to PN10 and can be used for round-round, square-square and squareround connections

GL

The GL rotary airlocks are specially designed for gravity feeding and pneumatically conveying of granular products. The configuration of the body and rotor has been developed specifically to minimise degradation whilst retaining the best possible pocket filling efficiency.

HP

The HP rotary airlocks with a specially designed inlet have been designed by DMN for applications in the metering and pneumatic conveying of granular formed products under a high pressure of maximum 50.75 PSI. The configuration of the body and rotor has been specifically developed to minimise degradation of the product which runs through it, whilst retaining the best possible pocket filling efficiency.

MALC-MLD-MGLD

The MALD, MLD and MGLD medium duty valves have been developed for applications where valves with outboard bearings would be over-specified. The valves give exceptional value for money due to the simple construction and direct drive. The basic construction of the three valves is the same, with the exception of the bodies.

MUSD

The MUSD medium duty rotary airlocks have been developed for applications where airlocks with outboard bearings would be overspecified. The airlocks give exceptional value for money due to the simple construction and direct drive.

SAL

The SAL (Sanitary AirLock) is a low capacity rotary airlock with a highly polished surface on both the inside and outside.

USAL

The USAL rotary airlocks have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and fl exible range of airlocks many diff erent confi gurations are available, using standard components.

2/3-TDV

The 2-TDV and 3-TDV transport pneumatically conveyed products in powder or pellet form to or from two respectively 3 destinations (diverging or converging). The 2-TDV and 3-TDV are compactly designed and by using an additional line cylinder on the 3-TDV very accurate positioning is achieved.

BL-BXL Dairy

The BL-BXL Dairy blow through rotary airlocks have been designed for use in the food, pet food, chemical and pharmaceutical industries where very high standards apply. The Dairy valves have an offi cial USDA certificate of acceptance for use in dairy plants and are optionally available conforming to the EC 1935/2004 directive.

BL-BXL

The BL and BXL blow through rotary airlocks have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and flexible range of valves many different configurations are available, using standard components.

BL-BXL MZC

The MZC rotary airlocks have proven themselves to be very successful in sanitary applications (Dairy execution) as well as many other applications. The unit has an easy detachable rotor which can be removed within a few minutes to facilitate inspection and cleaning. The configuration with direct drive has a very narrow construction, especially in the blow through (BL) version where the conveying line passes underneath the drive. The direct drive, in conjunction with a frequency inverter, results in a very flexible, safe and maintenance free unit (no chains or grease).

BTD

The BTD ball type diverter has been specifically designed to converge or diverge abrasive products in pneumatic conveying systems. The diverter is also suitable for systems having relatively high pressures and temperatures, e.g. thermoelectric power stations (coal and fuel oil ash), incinerators, foundries and cement, glass, ceramic, limestone, gypsum and chemical factories.

FDV

The FDV fl ap type diverters have been designed to divert powders and pellets in pneumatic conveying systems.

FVV

The FVV fill vent valves or weigh valves can be used in bulk handling systems where product is pneumatically conveyed to a silo or hopper that is process weighed. The FVV is ideally suitable for food and chemical industries.

GPD

The GPD is a two-way, demountable gravity diverter valve and is ideal for system installations that require frequent cleaning with minimum downtime. Design allows fast disassembly in installed location and easy access to all product-contact surfaces. Material fl ow through the valve is unrestricted with no ledges or dead spots.

M-TDV

The M-TDV transports pneumatically conveyed products in powder or pellet form to or from multiple destinations (diverging or converging).

PTD

The DMN-WESTINGHOUSE PTD plug type diverters have been specially designed to route powders and pellets with minimum degradation in pneumatic conveying systems. The PTD plug type diverter is applied in the chemical, pharmaceutical, plastic, food and other related industries.

SPTD

The SPTD single straight pipe plug diverter has been specially designed to route powders and pellets with minimum degradation in pneumatic conveying systems. The straight pipe makes the SPTD very suitable for applications in the food, pet food, plastics (recycling) and petrochemical industries.

AL-AXL Dairy

The AL-AXL Dairy rotary airlocks have been designed for use in the food, pet food, chemical and pharmaceutical industries where very high standards apply. The Dairy valves have an official USDA certificate of acceptance for use in dairy plants and are optionally available conforming to the EC 1935/2004 directive.

AL-AXL

The AL and AXL rotary airlocks with enlarged inlet have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and fl exible range of valves many different configurations are available, using standard components.

AL-AXL MZC

The MZC rotary airlocks have proven themselves to be very successful in sanitary applications (Dairy execution) as well as many other applications. The unit has an easy detachable rotor which can be removed within a few minutes to facilitate inspection and cleaning. The configuration with direct drive has a very narrow construction. The direct drive, in conjunction with a frequency inverter, results in a very flexible, safe and maintenance free unit (no chains or grease).

AML

The AML rotary airlocks have been designed for many applications in the metering and pneumatic conveying of products in powder and granular form. The AML valves can also be used as a transition piece from round to square and vice versa.

CIP Rotary Airlocks

The DMN CIP rotary airlocks are suitable for hygienic clean in place (CIP) process systems. The valves were evaluated for compliance with the Hygienic Equipment Design Criteria of the EHEDG and were declared to meet these criteria. Consequently we were presented with the official EHEDG Type EL Class I certificates of compliance for hygienic CIP rotary airlocks.

DL

The DMN DL dust lock is of a dedicated design for filter applications. It can be used with dust filters, cyclones, product separators and dosing systems. The universal flanges are on both sides of the airlock are drilled to PN10 and can be used for round-round, square-square and squareround connections

GL

The GL rotary airlocks are specially designed for gravity feeding and pneumatically conveying of granular products. The configuration of the body and rotor has been developed specifically to minimise degradation whilst retaining the best possible pocket filling efficiency.

HP

The HP rotary airlocks with a specially designed inlet have been designed by DMN for applications in the metering and pneumatic conveying of granular formed products under a high pressure of maximum 50.75 PSI. The configuration of the body and rotor has been specifically developed to minimise degradation of the product which runs through it, whilst retaining the best possible pocket filling efficiency.

MALC-MLD-MGLD

The MALD, MLD and MGLD medium duty valves have been developed for applications where valves with outboard bearings would be over-specified. The valves give exceptional value for money due to the simple construction and direct drive. The basic construction of the three valves is the same, with the exception of the bodies.

MUSD

The MUSD medium duty rotary airlocks have been developed for applications where airlocks with outboard bearings would be overspecified. The airlocks give exceptional value for money due to the simple construction and direct drive.

SAL

The SAL (Sanitary AirLock) is a low capacity rotary airlock with a highly polished surface on both the inside and outside.

USAL

The USAL rotary airlocks have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and fl exible range of airlocks many diff erent confi gurations are available, using standard components.

2/3-TDV

The 2-TDV and 3-TDV transport pneumatically conveyed products in powder or pellet form to or from two respectively 3 destinations (diverging or converging). The 2-TDV and 3-TDV are compactly designed and by using an additional line cylinder on the 3-TDV very accurate positioning is achieved.

BL-BXL Dairy

The BL-BXL Dairy blow through rotary airlocks have been designed for use in the food, pet food, chemical and pharmaceutical industries where very high standards apply. The Dairy valves have an offi cial USDA certificate of acceptance for use in dairy plants and are optionally available conforming to the EC 1935/2004 directive.

BL-BXL

The BL and BXL blow through rotary airlocks have been designed by DMN for many applications in the metering and pneumatic conveying of products in powder and granular form. Due to the modular design of this extensive and flexible range of valves many different configurations are available, using standard components.

BL-BXL MZC

The MZC rotary airlocks have proven themselves to be very successful in sanitary applications (Dairy execution) as well as many other applications. The unit has an easy detachable rotor which can be removed within a few minutes to facilitate inspection and cleaning. The configuration with direct drive has a very narrow construction, especially in the blow through (BL) version where the conveying line passes underneath the drive. The direct drive, in conjunction with a frequency inverter, results in a very flexible, safe and maintenance free unit (no chains or grease).

BTD

The BTD ball type diverter has been specifically designed to converge or diverge abrasive products in pneumatic conveying systems. The diverter is also suitable for systems having relatively high pressures and temperatures, e.g. thermoelectric power stations (coal and fuel oil ash), incinerators, foundries and cement, glass, ceramic, limestone, gypsum and chemical factories.

FDV

The FDV fl ap type diverters have been designed to divert powders and pellets in pneumatic conveying systems.

FVV

The FVV fill vent valves or weigh valves can be used in bulk handling systems where product is pneumatically conveyed to a silo or hopper that is process weighed. The FVV is ideally suitable for food and chemical industries.

GPD

The GPD is a two-way, demountable gravity diverter valve and is ideal for system installations that require frequent cleaning with minimum downtime. Design allows fast disassembly in installed location and easy access to all product-contact surfaces. Material fl ow through the valve is unrestricted with no ledges or dead spots.

M-TDV

The M-TDV transports pneumatically conveyed products in powder or pellet form to or from multiple destinations (diverging or converging).

PTD

The DMN-WESTINGHOUSE PTD plug type diverters have been specially designed to route powders and pellets with minimum degradation in pneumatic conveying systems. The PTD plug type diverter is applied in the chemical, pharmaceutical, plastic, food and other related industries.

SPTD

The SPTD single straight pipe plug diverter has been specially designed to route powders and pellets with minimum degradation in pneumatic conveying systems. The straight pipe makes the SPTD very suitable for applications in the food, pet food, plastics (recycling) and petrochemical industries.

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