NTD Pressure-Tight Damper - شركة دار الموارد للتجارة

NTD Pressure-Tight Damper

Categories Special Applications, Special Applications - MANDK

NTD Pressure-Tight Damper

A hermetic sealing damper designed for rapid, airtight separation of HVAC sections under extreme conditions. This technology demonstration unit showcases capabilities for 10 kPa pressure, 25+ m/s velocity, seismic resistance, radiation (10 kGy), and features a unique halogen-free, decontaminable construction with a 40-year service life

Important Note: A product developed specifically for special projects according to customer requirements. Intended for technology demonstration only, not for standard sales. Not regularly available from MANDÍK.

NTD

Product Description

Key Features & Benefits

Hermetic Rapid Separation
Provides fast, airtight sealing to isolate HVAC sections with minimal leakage.
High Pressure & Velocity
Tested for 10 kPa pressure difference and airflow velocities exceeding 25 m/s.
Radiation & Seismic Resistant
Withstands radiation up to 10 kGy and high-level seismic events.
Halogen-Free Construction
Non-metallic materials have minimal halogen content for safety in sensitive environments.
In-Situ Leakage Evaluation
Blade and shaft leakage can be evaluated without dismantling from the duct.
40-Year Guaranteed Life
Rolling bearings and robust 8mm stainless construction ensure longevity.

Technical Specifications

Dimensions

Shape: Rectangular with round blade section. Range: ~400×270 to 1000×1000 mm (custom).

Construction & Materials

Casing: 8mm stainless steel. Welded, pickled & passivated. Bearings: Rolling type.

Performance

Pressure: 10 kPa difference. Velocity: >25 m/s (8.42 m³/s tested). Leakage: 10 l/h.m².

Actuation & Control

Options: Electrical (SIPOS), Pneumatic (STASTO), or Manual. Switches: Qualified limit switches.

Environmental Resistance

Radiation: ≥10 kGy. Temp: 125°C max. Decontaminable: Yes. Seismic: Resistant.

Special Features

Halogen: Minimal content. Leak Test: In-situ possible. Life: 40 years guaranteed.

Installation & Integration

Heavy-Duty Duct Integration

Installed in rectangular ducts (round adaptors available) for hermetic separation.

Flexible Actuation Setup

Choose electric, pneumatic, or manual operation based on control system requirements.

In-Situ Performance Monitoring

Leakage testing capability without removal reduces maintenance downtime.

Decontamination & Hygiene

Suitable for environments requiring regular decontamination; halogen-free materials.

Critical System Placement

For isolation points in nuclear, pharmaceutical, or high-containment ventilation.

Use Cases

Related Products

Product Catalog

Get Free Gonsultation

Contact Us