MWF Manhole – walk-in inspection openings
for thermoplastic tank and plant construction
WITH QUICK RELEASE AND ERGONOMIC COVER
DN300 to DN800 MORE flexibility HIGH ergonomics TESTED safety LARGEST selection
Advantages of MWF Manhole
Universally applicable and maintenance-friendly:
- Thermoformed cover, made from a single material, with high stability
- Ergonomic handle design with stabilizing function
- Screwless quick release with stainless steel clamping ring, now also available in adjustable version
- Five nominal diameters from DN300 to DN800
- Largest selection on the market, material options including natural PE, electrically conductive PE, and PVC
- Endlessly manufactured sealing ring without adhesive joint
- Optional cover fall protection for vertical installation
- Certifications and certificates for documentation, including food approval
Easy handling
The thermoformed cover is made from a single material (e.g., transparent PVC). Its ergonomic shape makes handling easier, and the handle gives the cover very high stability. The stainless steel clamping ring allows easy and quick opening and closing of the inspection opening. Once closed, the cover, seal, and flange form a secure and tight unit.
Cover in ergonomic design (e.g., transparent PVC)
Stainless steel clamping ring as screwless quick release
Endless seal without adhesive joint, made of TPE-S
The flange is available in six materials!
Completely newly developed product line
In the field of manholes, we have been offering a unique range of innovative solutions since 2020. In the initial concept and development phase, we analyzed existing market solutions and engaged extensively with users and experts from chemical plant engineering, water management, and environmental technology. Our goal was to offer a new generation of manholes that provide greater flexibility, ergonomics, and certified quality, offering more possibilities in both application and handling.
Innovative product design with high functionality
Our specialists from development and 3D design, plastics technology, and metal technology worked hand in hand. The result is a completely redesigned production area at MWF Technik. This includes meticulously designed tools for producing the innovative cover design using the thermoforming process. For the multi-stage production of the flange, we developed our own machines. The shape and material concepts for the seal and clamping ring also come from our own development, completing our intelligent overall solution.
Quality from MWF Technik
For the production of MWF manholes, we developed the entire manufacturing process ourselves and refined it to series production readiness. Our components and the complete solution are certified and come with factory and material certificates.
Six materials are available for the cover and flange:
PP, flame-retardant PP, PE, natural PE, PVC (cover optionally in transparent PVC)
and electrically conductive PE-el. Other materials available on request.
Our unique selection of manholes from DN300 to DN800 is available in numerous design variants.
The clamping ring is optionally available in an adjustable version for retightening the cover (standard for DN800).
Manholes made of special materials (cover and flange), such as blue PE for potable water reservoirs, are manufactured on request.
More applications
MWF manholes as newly developed walk-in inspection openings for thermoplastic tank and plant construction.
- Nominal diameter DN300 to DN800: According to BG Rule 117-1 “Work in containers, silos, and confined spaces,” a minimum manhole diameter of 800 mm is recommended.
- Materials: PP, flame-retardant PP, PE, natural PE, electrically conductive PE, PVC
- Seal made of TPE-S
- Endless sealing rings, without adhesive joint, specially designed sealing profile, resistant to almost all common chemicals, food-grade compliant
- Clamping rings made of stainless steel 1.4301 – optionally available in an adjustable version for retightening the cover (standard for DN800)
- Available with or without nozzle
- Fall protection for vertical installation: prevents the manhole cover from falling during inspection work
- Certificates for your documentation: aterial certificate 3.1, factory certificate 2.2, WHG
SKZ – The Plastics Center
Tested according to test report no. 214010/20 by SKZ Testing GmbH in Würzburg
The research and development of our product innovation MWF Manholes was supported as a recognized innovation project by the Central Innovation Program for SMEs (ZIM) of the German Federal Ministry for Economic Affairs and Energy.
Accessories: fall protection set
The fall protection set for MWF manhole covers is recommended for vertical installation of the inspection opening. Here, too, there are a variety of options available.
Mounting bracket on the tank. The two brackets (tank/cover) are available in six materials.
The stainless steel 1.4301 cable is available in two lengths: 0.5 and 1.0 m.
Practical and safe: the fall protection holds the cover after removal.
MWF Technik offers the largest selection of manholes on the market
MWF Manholes: well-thought-out concept, wide range of designs.
Nominal diameters, materials, nozzles, accessories …
MWF Technik offers the largest selection of manholes or walk-in inspection openings on the market. Nominal diameters from DN300 to DN800!
Six materials are available for the cover and flange: PP, flame-retardant PP, PE, natural PE, electrically conductive PE, PVC (cover optionally in transparent PVC).
The dimensions of MWF manholes range from DN300 to DN800, with or without nozzle.
Overall overview MWF Manholes DN300–DN800
The MWF product brochure “INSPECTION OPENINGS for thermoplastic tank and plant construction” is available as a digital brochure – flipbook – or as a PDF.
In our digital product brochure, you will find all information and solution options.
Certified specialist in plastics technology
For over 20 years, MWF Technik has been developing and manufacturing a product range unique on the market for distributing, measuring, and neutralizing chemical liquids. Today we offer a selection of over 2,000 items and options, from simple molded parts and tank accessories to modern valves and systems for a wide variety of applications. In addition, we develop, design, and manufacture custom product solutions in plastics and metal technology on behalf of our customers.
We are a certified specialist company under the WHG and employ qualified experts in plastics and rubber technology as well as in plastics welding according to DVS 2212-1.
Learn more about our capabilities:
Main catalog MWF Systems
In the current main catalog from MWF Technik, you’ll find over 1,600 items and options.
These are divided into the product areas: compact systems (mini neutralization plant), fittings, tank accessories, laboratory technology (sampling cabinet), special connections, molded parts, and electrically conductive products.
The catalog is digital – available as a flipbook – for browsing on your screen!