SHUANGLIN VALVE | Union Slotted Handle Ball Valve, DN15–DN25

Replacing a standard threaded ball valve usually means unscrewing pipe on both sides — awkward at best, and often requiring a section of pipe to be cut and re-threaded. SHUANGLIN VALVE's union ball valve avoids that entirely: a union nut on one end lets the valve be disconnected and removed as a standalone unit, without disturbing the pipework it's installed between.

Serviceable Without Cutting Into the Line

The union nut connects to a male-threaded pipe end and can be loosened by hand or wrench to separate the valve body from that side of the pipe, while the opposite female-threaded port remains fixed to the rest of the system. This makes replacing a worn valve, upgrading to a different size, or performing internal maintenance a matter of unscrewing one nut rather than cutting and re-fitting pipe — a meaningful time saving on service calls and retrofit work.

A Flatter, Space-Conscious Handle

Instead of a wing-shaped butterfly handle, this valve uses a slotted, low-profile handle that lies flush along the valve body when open and stands perpendicular when closed — giving the same clear visual open/closed indication in a more compact footprint. This handle style is particularly useful in recessed installations, tight cabinet spaces, or anywhere a protruding butterfly handle would catch on surrounding fixtures or piping.

SHUANGLIN VALVE produces this union ball valve in nickel-plated brass across the DN15 to DN25 size range, with the union end presenting a male thread and the opposite port female-threaded.

Key Features

• True union design — the union nut end allows valve removal without cutting or re-threading pipe

• Slotted, low-profile handle for compact installations and clear open/closed status

• Nickel-plated brass body for corrosion resistance and durability

• Full-bore internal passage to minimize pressure loss

• Suitable for water supply, HVAC, and general-purpose plumbing systems

Where It's Used

• Pump and equipment service valves requiring frequent removal for maintenance

• Retrofit projects where cutting pipe to replace a valve isn't practical

• Recessed or cabinet installations where handle clearance is limited

• Any installation likely to need periodic valve replacement or inspection

Ordering Information

• Payment: T/T (Bank Transfer)

• Stock Items: Ships within 7 days

• Custom Orders: 30 days production time

• Logistics: Sea or air freight, with customs clearance assistance

Warranty & Customization

SHUANGLIN VALVE backs every union ball valve with a 1-year warranty against manufacturing defects, including free repair or replacement where applicable. OEM/ODM services are available for custom thread standards, handle finishes, and private-label packaging on bulk orders.

Frequently Asked Questions

How is this different from a standard threaded ball valve? A standard ball valve is typically fixed in place by the threads on both ends, so replacing it usually requires unscrewing pipe on both sides. This union ball valve has a nut on one end that can be loosened independently, allowing the valve to be removed without disturbing the rest of the pipework.

Why does this valve use a slotted handle instead of a butterfly handle? The slotted handle has a lower profile, making it better suited to tight or recessed installations where a wider butterfly handle might interfere with surrounding fixtures, while still providing clear visual confirmation of open/closed status.

Can the union nut be tightened by hand? Initial assembly is typically done by hand and then secured with a wrench to ensure a leak-free seal. Always follow standard thread sealant practices appropriate to your piping system.

What sizes are available? SHUANGLIN VALVE produces this union ball valve from DN15 to DN25. Contact us with your thread standard for a tailored quotation.

Contact SHUANGLIN VALVE's sales team for a detailed quotation, technical drawings, or samples.