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Reject-Valve NAQ

Product catalog summary

Overview: The document provides detailed technical specifications and features of the NAQP/G Reject-Valves by MARTIN LOHSE GmbH, designed for handling media with high reject fractions such as nails, staples, granular materials, and powders. These valves are suitable for applications in pulp and paper production and the chemical industry.

Specifications:

Temperature range: Up to 80°C.
Operating pressure: Refer to the provided table for specific values.
Materials: Housing made of EN-GJL-250, valve plate of 1.4571, and sealing of NBR.
Design: Round inlet and square outlet, allowing free fall of unwanted materials.

Features:

Valve plate prepared for limit position monitoring with switch sensors.
Sliding plate with replaceable bronze or special plastic rails.
Leak test compliant with DIN EN 12266-02:2012-04, ensuring watertightness.

Accessories and Options:

Inlet side: Conical ring insert, hardened.
Outlet side: Stainless steel adapter for round pipes.
Options include solenoid valve attachment, alternative materials for housing and sliding plate, and highly wear-resistant sliding plate versions.

Applications: Suitable for extraction, dumping, and cleaning devices in heavily soiled environments, particularly in pulp and paper production and the chemical industry.

Flange Bores: Detailed dimensions and specifications for flange bores with both metric and UNC threads are provided, including the number of holes and thread depth.

Contact Information: The document lists contact details for various international representatives and agencies, including those in Germany, Australia, China, and the USA, among others.

Catalog excerpts

MARTIN LOHSE GmbH Unteres Paradies 63 · D-89522 Heidenheim Postfach 1565 · D-89505 Heidenheim phone +49(0)7321 / 755-42 · fax +49(0)7321 / 755-97 [email protected] www.lohse-gmbh.d

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Type: NAQP/G Applications General usage pulp and paper production media with reject fraction (e.g. nails and staples) coarse-grained media granulates powders temperature range to 80 °C see table for permitted operating pressure Locations chemical industry • extraction devices for heavy soiling applications • dumping and emptying devices for heavy soiling applications • cleaning machines high proportion of reject parts granular material and powders

Open the catalog to page 2

Type: NAQP/G Features Model • round inlet • allows it to be connected to DIN EN 1092-1, PN 10 round pipes, with integral wearing ring and gasket, spring-mounted • square outlet • the outlet is larger than the inlet, allowing unwanted materials to fall out freely, no pockets in the base of the housing Valve plate • prepared so that switch sensors may be connected for limit position monitoring Valve plate guide • the guides in the front third are shortened, i.e. the sliding plate guarantees a clearance • replaceable sliding rails made from bronze or special plastic • protected by housing plate...

Open the catalog to page 3

Applications General usage • media with reject fraction (e.g. nails and staples) • coarse-grained media • granulates • powders • temperature range to 80 °C • see table for permitted operating pressure Locations • extraction devices for heavy soiling applications • dumping and emptying devices for heavy soiling applications • cleaning machines • housing • valve plate • sealing • slide borders • wear ring • scraper • stuffing box gland • packing assembly • press ring • bracket • max. operating pressure

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Flange bores for LOHSE NAQ valves with metric tread Inlet side Outlet side according DIN EN 1092-1, PN 10 according LOHSE standard Z = total number of holes Z1 = number of joint-holes Z2 = number of through-going bores T = usable depth of thread

Open the catalog to page 5

Type: NAQP/G Flange bores for LOHSE NAQ valves with UNC thread Outlet side according Standard Inlet side according ANSI B16.5 Class 150: = total number of holes = number of joint-holes = number of through-going bores = usable depth of thread

Open the catalog to page 6

Type: NAQP/G Reject-Valves ) IPH5E' flush water connection DN Dimensions in mm, flange bores on request; air connection acc. VDI/VDE 3845 (NAMUR). Further sizes on request.

Open the catalog to page 7

Austria (pulp + paper industry, wastewater + wastewater treatment Fr plants) + CZ, SK, SLO, SRB, HR, H Peter Reiter Handel Mazzetti-Str. 85 3100 St. Polten Phone: +43 (0) 27 42 / 7 73 66 Fax: +43 (0) 27 42 / 7 73 66

Open the catalog to page 8

Reject-Valve NAQ

Reject-Valve NAQ

Catalog excerpts

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