GPV-21

Introducing the Gemline GVP-21 Posi-Grip Piercing Valve Tubing, a high-performing and reliable solution for your plumbing needs. This tubing is specifically designed for use with piercing valves, making it an essential addition to any plumbing system.

Measuring at 1/2 foot (15 inches) or 5/8 foot (18 inches) in length, this tubing is suitable for a range of applications, providing flexibility and versatility. The 1/2 inch nominal pipe size ensures compatibility with standard plumbing systems, while the 5/8 inch pipe thread makes it easy to connect to piercing valves.

The Posi-Grip feature of this tubing sets it apart from others in the market. This innovative design allows for a secure and leak-free connection to the piercing valve, reducing the risk of costly repairs and water damage. The Posi-Grip system utilizes an internal thread that engages with the external thread of the valve, creating a positive seal that withstands the pressure of the water flow.

Made from brass material, this tubing offers superior durability and corrosion resistance. Brass is a popular choice for plumbing applications due to its ability to withstand the harsh conditions of water and chemicals, ensuring a long service life.

The Gemline GVP-21 Posi-Grip Piercing Valve Tubing is also lead-free, in compliance with the Safe Drinking Water Act. This means that it contains less than 0.25% lead by weight, making it safe for use in potable water systems.

This tubing is easy to install and requires no special tools. Simply connect it to the piercing valve and secure it with the Posi-Grip feature. The brass material can be easily cut to size using standard pipe cutting tools.

In summary, the Gemline GVP-21 Posi-Grip Piercing Valve Tubing is a high-quality, reliable, and durable solution for your plumbing needs. Its Posi-Grip feature ensures a secure and leak-free connection, while its brass material offers superior durability and corrosion resistance. Compliant with the Safe Drinking Water Act and easy to install, this tubing is a must-have for any plumbing system.

Gemline's GVP-21 Posi-Grip Piercing Valve tubing is a popular choice for laboratories and scientific applications that require the transfer of liquids or gases. Here are some pros and cons to help you decide if this product is the right fit for your needs.

1. Durability: The Posi-Grip tubing is made of high-quality, borosilicate glass, making it strong and resistant to breakage.

2. Leak-Proof: The Posi-Grip valves provide a secure seal, preventing leaks and ensuring that the transfer of liquids or gases is controlled.

3. Easy to Use: The Posi-Grip valves are easy to operate, allowing for quick and efficient transfer of materials.

4. Compatibility: The 1/2ftft (6 inches) and 5/8ftft (18 inches) sizes make this tubing a versatile option for various laboratory setups and applications.

5. Chemical Resistance: Borosilicate glass is resistant to most chemicals, making it an excellent choice for handling acidic or caustic substances.

1. Cost: Compared to other types of tubing, such as plastic or stainless steel, glass tubing can be more expensive.

2. Fragility: Although borosilicate glass is stronger than regular glass, it can still be fragile and prone to breakage if not handled carefully.

3. Weight: Glass tubing is heavier than other materials, which can make it more difficult to work with, especially for extended periods.

The Gemline GVP-21 Posi-Grip Piercing Valve tubing offers several advantages, including durability, leak-proof design, ease of use, compatibility, and chemical resistance. However, it also comes with some drawbacks, such as cost, fragility, and weight. Ultimately, if your laboratory requires the transfer of liquids or gases in a controlled and efficient manner, while also handling potentially hazardous chemicals, this product could be a worthwhile investment.

If you are in the market for laboratory tubing and are considering the Gemline GVP-21 Posi-Grip Piercing Valve tubing, carefully weigh the pros and cons to determine if it is the best fit for your specific application and budget. If you need to transfer liquids or gases over long distances or in high-pressure applications, you may want to consider alternative materials like stainless steel or PEEK tubing. However, for controlled, efficient, and chemical-resistant transfers within a laboratory setting, this glass tubing is an excellent choice.

Details:

specifications maxohvac:

• brand: Gemline
• mpn: Gpv-21
• part type: Grip Valve
• country of origin: United States

general maxohvac:

• category: Business & Industrial > Hvac Refrigeration

offer maxohvac:

• sold #: 12
• started: october 25, 2025
• options: ship-to-home
• availability: in stock
• in stock #: 3
• best offers: true
• prices: $8.99–$60.00
• item condition:
  • New
  • New – Open box

seller maxohvac:

• city: vallejo, california
• # reviews: 1466
• rating: 99.7%

shipping maxohvac:

• transit: 4-9 days
• class: standard
• type: fixed
• carrier: usps
• service: usps ground advantage

returns maxohvac:

• policy: no returns

payments maxohvac:

• wallet: apple-pay
• other
• credit card: visa