ZTVK's butterfly valve for chilled water system conveys uncommon execution with our demonstrated one-piece design. Our enterprise-grade valves diminish working torque by 30% whereas amplifying benefit life past 50,000 cycles. With DN40-DN1200 measuring alternatives and PN10/PN16 weight evaluations, these valves highlight premium materials counting pliable press bodies and EPDM fixing. Working temperatures from 0℃-80℃ make them culminate for commercial HVAC applications.
Your HVAC framework requests exactness and unwavering quality. Our butterfly valves convey both with progressed building that meets real-world challenges.
Our twofold offbeat additionally sideways seal plan sets us separated from standard butterfly valves. This advancement decreases your operational costs whereas moving forward framework productivity. You get smoother operation with less wear on components.
The streamlined plate profile maximizes stream capacity. Our thin-plate plan increments Cv values by 50% compared to routine center-mounted plates. This implies way better stream control and vitality reserve funds for your facility.
When you contribute in our valves, you're choosing hardware that keeps going. Our butterfly valve for chilled water system for chilled water framework experiences thorough testing to guarantee steady execution in requesting conditions.
The spherical-machined plate edges get hand-polishing for culminate fixing. This consideration to detail avoids molecule buildup and bacterial development - significant for keeping up water quality in your framework.
We use only premium materials that stand up to continuous operation:

| Parameter | Specification |
|---|---|
| Size Range | 1.5"-48" (DN40-DN1200 mm) |
| Working Pressure | PN10/PN16 |
| Temperature Range | 0℃~80℃ |
| Body Material | DI/QT450 |
| Disc Material | DI/CF8/CF8M/Aluminum Bronze |
| Seat Material | EPDM/NBR/PTFE/VITON |
| Connection Type | Wafer Type |
| Standards | ISO5211, PN10/PN16, 125LB/150LB |
| Operation | Hand Lever, Worm Gear, Pneumatic, Electric |
Your system requirements are unique. That's why we offer multiple actuation methods:
Manual Operation: Hand lever or worm gear for simple on/off control
Pneumatic Actuators: Fast response for automated systems
Electric Actuators: Precise positioning for variable flow control
All actuators mount easily using our ISO5211 interface. You can upgrade from manual to automated operation without replacing the valve body.
These valves excel in various chilled water applications:
The 90-degree quarter-turn operation provides quick shutoff capability. Your maintenance team will appreciate the simple, reliable design that minimizes downtime.

ZTVK maintains ISO9001, ISO14001, and OHSAS18001 certifications. Our manufacturing facility in Tianjin uses advanced CNC equipment and rigorous quality testing. Every butterfly valve for chilled water system receives pressure testing and inspection before shipment.
We've served the valve industry for over 15 years. Our experience shows in the thoughtful details that make installation and maintenance easier.



Standard sizes ship within 3-7 days from our 2000+ unit inventory. Custom configurations take 15-25 days depending on complexity. Located just 50km from Tianjin Port, we offer efficient shipping worldwide.
Our comprehensive support includes:
Ready to upgrade your chilled water system with reliable butterfly valve for chilled water system solutions? Contact us at ktec86961886@163.com for expert assistance.
Send us your valve requirements and our team will provide professional solutions and fast quotations.