nVent GSKTKITS375 - Gasket Replacement Kit for HOFFMAN Enclosures, .38x1.00 inch, Black, Silicone
nVent

GSKTKITS375

UPC: 783510291549


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Overview

The **nVent HOFFMAN Gasket Replacement Kit (SKU: GSKTKITS375)** is a high-performance silicone sealing solution designed to restore or upgrade the integrity of HOFFMAN enclosure doors, covers, and gland plates. Engineered for field installation, this kit provides a reliable barrier against water, dust, and extreme temperatures, ensuring compliance with stringent industrial protection standards. As a **UL 508A Component Recognized** and **cUL Component Recognized per CSA C22.2 No. 94** product (File No. E61997), it meets the rigorous demands of Types 4, 4X, and 12 enclosures, making it ideal for harsh environments where moisture resistance and durability are critical. This **silicone gasket kit** features a **.38-inch (10 mm) thick by 1.00-inch (25 mm) wide** strip gasket, delivering superior sealing performance in extreme conditions. Unlike standard EPDM gaskets, silicone offers enhanced flexibility and temperature resistance, making it the preferred choice for applications exposed to high heat, UV exposure, or chemical contaminants. The kit includes a **20-foot roll of strip gasket**, sealant, and clear installation instructions, enabling quick and efficient field replacement of worn or damaged foam-in-place or strip enclosure gaskets. **Key Applications & Industries:** The GSKTKITS375 is engineered for **HOFFMAN enclosure models**, including wall-mount and large/free-standing enclosures, across a wide range of industrial sectors. Typical applications include: - **Industrial control panels** in manufacturing plants - **Outdoor electrical enclosures** for utilities and telecommunications - **Harsh environment enclosures** in oil & gas, chemical processing, and marine settings - **NEMA Type 4/4X/12-rated enclosures** requiring IP66/IP67 ingress protection - **Renewable energy installations** (solar, wind) where weatherproofing is essential **Why Choose nVent HOFFMAN Gasket Kits?** nVent, a global leader in thermal management and electrical protection solutions, designs its gasket kits to exceed industry standards. The **silicone material** in this kit provides: - **Superior water and dust resistance** for long-term reliability - **Temperature stability** from -60°F to 400°F (-51°C to 204°C) - **Chemical resistance** against oils, solvents, and corrosive agents - **Easy field installation** with included sealant and instructions **Installation & Compatibility:** The gasket is positioned **inside the enclosure door**, creating a tight seal between the housing and door to prevent ingress. Compatible with **HOFFMAN enclosure models rated Types 4, 4X, and 12**, this kit is suitable for both **new installations and retrofits**, offering a cost-effective upgrade path for existing enclosures. The **20-foot roll** ensures sufficient material for multiple applications, reducing waste and downtime. **Industry Trust & Compliance:** Backed by nVent’s reputation for innovation and durability, the GSKTKITS375 gasket kit is a trusted solution for engineers, electricians, and maintenance professionals who require **uncompromising performance** in critical applications. Whether replacing a degraded gasket or upgrading an enclosure for harsher conditions, this kit delivers the **sealing integrity** needed to protect sensitive electrical components and extend equipment lifespan.
  • Positioned inside enclosure door providing a sealing barrier between the housing and door of an enclosure
  • EPDM gasket kits are ideal to replace damaged or worn enclosure gasket
  • Silicone gasket provides a secure sealing to protect against water and dust ingress in extreme temperatures
  • Silicone gaskets can be used to upgrade current gasket for harsh applications or ideal to replace current silicone gasket
  • Strip gasket is field-installable with included sealant and instructions
  • Gaskets available in .63-in. (16-mm) wide for Wall-Mount Enclosures
  • Gaskets available in 1.00-in. (25-mm) wide for Free-Stand and Floor-Mount Enclosures
  • Each kit includes a 20-ft. (6m) roll of strip gasket
  • Silicone gaskets available in .38 in. thick by 1 in. wide for large enclosures
  • Each kit includes a 20-ft. roll of strip gasket

Specifications

Accessory Type
Door Accessories
Application
Controls and Drives;Corrosive Environments;Hygienic Environments;Power Distribution
Application
Corrosive Environments; Controls and Drives; Hygienic Environments; Power Distribution
Color
Black
Finish
Smooth Matte
Length
20 ft
Length
6.1 m
Material
Silicone
Material
Rubber;Silicone
Size
0.375x1.00 in
Thickness
0.375 in
Thickness
51.40mm (2.024")
Type
Industrial Door Mounting and Locks
Weight
2.4 lb
Width
25 mm
Width
1 mm
Works With
NEMA
Package Dimensions (L x W x H)
13.9 IN x 13.4 IN x 3.4 IN
Package Dimensions (L x W x H)
35.306 cm x 34.036 cm x 8.636 cm
Package Weight (Imperial)
2.400 L
Package Weight (Metric)
1.089 kg
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How to Install the GSKTKITS375 Gasket Kit

This guide provides step-by-step instructions for installing the GSKTKITS375 gasket kit to maintain the enclosure rating of Types 4, 4X, and 12.

Estimated time: 30m

Tools needed:

1/2-inch wide chisel or putty knife, Scissors, Clean, dry cotton rag

Supplies needed:

20-foot roll of strip gasket, Isopropyl alcohol

  1. Prepare the enclosure

    Clean the surface of the enclosure where the gasket will be applied using a clean, dry cotton rag and a small amount of isopropyl alcohol to ensure proper adhesion.

  2. Measure and cut the gasket

    Measure the perimeter of the door and cut the gasket to the required length, ensuring that splices occur only at the corners.

  3. Apply the gasket

    Press the gasket firmly onto the cleaned surface of the enclosure, ensuring it is level and securely attached to maintain the enclosure rating.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.