ZTVK Fluid CONTROL Equipment conveys enterprise-grade pneumatic operated butterfly valve frameworks designed for basic mechanical applications. Our progressed one-piece design decreases working torque by 30% whereas expanding benefit life past 50,000 cycles. With ostensible distances across extending from DN50 to DN2000mm and weight evaluations up to PN16, these valves highlight cleverly robotization interfacing and localized designing adjustments. ISO9001/ISO4001/OHSAS18001 certified fabricating guarantees reliable quality. Standard models dispatch inside 3-7 days from our 2000+ unit stock, whereas custom arrangements provide in 15-25 days with surge arrange capabilities.
Our butterfly valves join inventive twofold unconventional geometry combined with angled fixing surfaces. This plan altogether diminishes wear amid operation and minimizes required activating drive. The optimized cam activity guarantees tight shutoff indeed after thousands of cycles.
You get uncommon solidness through carefully chosen materials. Body development employments ASTM A536 65-45-12 pliable press, WCB carbon steel, or CF8M stainless steel depending on your application prerequisites. Plate materials incorporate nylon-coated bendable press for standard benefit or CF8/CF8M stainless steel for destructive environments.
Seat materials accommodate diverse operating conditions:

Spring-return actuators give fail-safe operation. When discuss supply comes up short, the inside spring naturally returns the valve to its foreordained secure position. This plan offers improved security for basic shutoff applications.
These units provide greatest torque yield and exact situating control. Compressed discuss powers both opening and closing movements, empowering precise stream balance and keeping up valve position amid discuss supply interruptions.
| Parameter | Specification |
|---|---|
| Size Range | 2" - 80" (DN50 - DN2000mm) |
| Working Pressure | PN10/PN16 |
| Flange Standards | DIN PN10/PN16, JIS 5K/10K, ANSI Class 150LB |
| Body Style | Wafer type |
| Operating Temperature | 0°C to 80°C |
| Suitable Media | Water, gas, oil, and other fluids |
| Body Materials | ASTM A536, WCB, CF8M |
| Disc Materials | Nylon coated ductile iron, CF8, CF8M |
| Stem Materials | SS420, SS431 |
| Seat Materials | EPDM, NBR, FPM, PTFE |
| Actuator Types | Single acting, Double acting |
The pneumatic operated butterfly valve employments compressed discuss as the control source to drive the actuator component. Discuss weight turns the valve stem, causing the butterfly circle to move through a 90-degree circular segment. This movement gives either full shutoff or exact stream control depending on circle position.
The actuator changes over pneumatic vitality into rotational movement through a rack and pinion or scotch burden instrument. Control signals from your computerization framework coordinate discuss stream to the suitable actuator chambers, empowering inaccessible operation and integration with prepare control systems.
These valves exceed expectations in refineries and chemical plants where solid shutoff and stream control are fundamental. Corrosion-resistant materials handle forceful chemicals whereas pneumatic incitation gives fast crisis isolation.
Steam and cooling water frameworks advantage from the quick-operating characteristics and tight shutoff capabilities. The strong development withstands warm cycling and high-pressure differentials common in control plants.
Municipal and mechanical water treatment offices depend on these valves for handle control and confinement benefit. EPDM seating materials give amazing execution with consumable water applications.
Stainless steel development and smooth stream sections meet sterile prerequisites. Quick-opening characteristics minimize item presentation time amid group preparing operations

Our manufacturing facility maintains ISO9001 quality management certification alongside ISO14001 environmental and OHSAS18001 safety standards. Each valve undergoes comprehensive testing including:
Products comply with multiple international standards including API, ANSI, JIS, BS, and DIN specifications to meet global project requirements.

We provide complete private labeling with your company branding, custom nameplates, and specialized packaging requirements. This service supports distributors and system integrators building their product portfolios.
Our engineering team redesigns valve internals, connection methods, and sealing systems to match specific application requirements. Custom pressure ratings, temperature ranges, and material specifications ensure optimal performance in unique operating conditions.
Standard valve models ship within one week from our extensive inventory. Our Tianjin location provides direct port access, reducing shipping time and costs for international customers. Professional packaging meets ISPM 15 standards to prevent customs delays.
Rush order processing accommodates urgent project schedules with expedited 7-10 day delivery for critical applications.


Pre-sales engineering support includes valve selection guidance, CAD drawings, and 3D modeling files for system integration. Our specialists help optimize valve specifications for your specific operating conditions.
Detailed installation videos and troubleshooting manuals ensure proper setup and reliable operation. Local service partners provide on-site support when needed, backed by our 18-month warranty coverage.
Ready to enhance your process control with reliable pneumatic operated butterfly valve solutions? Contact our engineering team at ktec86961886@163.com for technical specifications and competitive pricing.
Send us your valve requirements and our team will provide professional solutions and fast quotations.