Engineered for power plants, steel mills, and chemical facilities. Reduce fugitive emissions, slash maintenance downtime, and meet EPA compliance—direct from Thriveon's ISO 9001-certified factory.
guillotine damper guillotine valve filters strainers
Every minute of unplanned downtime in a power or chemical plant can exceed $10,000. Yet many facilities still rely on outdated gate valves or makeshift blanking plates that leak, jam, or fail under thermal cycling.
The result: reduced throughput, higher total cost of ownership, and avoidable safety incidents. It doesn't have to be this way.
Our guillotine dampers (also known as knife gate dampers or slide gate valves) deliver bubble-tight shutoff in the most demanding industrial applications. Designed with a one-piece stainless steel blade and a self-cleaning seat, they eliminate jamming and reduce fugitive emissions to near zero.
Patented dual-seal system with PTFE/elastomer packing. Tested to <10 ppm fugitive emissions (ISO 15848-1).
Pneumatic, hydraulic, or electric actuators. Full open/close in <5 seconds (up to 48" / 1200 mm).
From -40°F to 1,800°F (-40°C to 980°C) with specialized alloys and cooling fins.
Self-cleaning seat wipes blade clean each cycle. No lubrication needed. 50,000+ cycles without packing adjustment.
Standard sizes shipped in 2–4 weeks from our Hebei factory. Rush orders in 10 days.
Any size, any pressure class, any material (Duplex, Inconel, Hastelloy). Full engineering support.
| Parameter | Value |
|---|---|
| Size Range | DN 50 – DN 1200 (2" – 48") |
| Pressure Class | PN 6 / PN 10 / PN 16 / Class 150 / Class 300 |
| Temperature Range | -40°C to +980°C (-40°F to +1,800°F) |
| Body Materials | WCB, WCC, CF8, CF8M, Duplex 2205, Inconel 625, Hastelloy C276 |
| Blade Material | AISI 304, 316L, 410, Duplex (hardened edge option) |
| Seat / Packing | PTFE, Graphite, Ceramic fiber, Flexible graphite |
| Leakage Rate | < 10 ppm (ISO 15848-1 Class B) / API 622 compliant |
| Actuation | Manual (handwheel / chainwheel), Pneumatic, Hydraulic, Electric |
| End Connections | Flanged (ASME B16.5 / EN 1092-1), Wafer, Lug, Butt-weld |
| Certifications | ISO 9001:2015, CE, RoHS, ATEX (optional), SIL 3 (optional) |
“Thriveon's guillotine dampers reduced our fugitive emissions by 97% and eliminated quarterly packing adjustments. The ROI was under 4 months.”
“We switched 14 dampers to Thriveon on our FGD system. Zero leakage after 18 months of continuous operation. Excellent technical support.”
“Fastest lead time we've seen from an overseas supplier. 3 weeks from PO to delivery for custom 36" dampers. Quality exceeded our expectations.”
“We installed six 24" guillotine dampers on our biomass boiler flue gas lines. After 14 months, still zero leakage. The packing design is genius.”
“Thriveon's team helped us redesign a custom damper for high-sulfur flue gas. The Hastelloy C276 option was 40% cheaper than our previous supplier.”
“Fastest delivery from China I've ever experienced. 3 weeks for 10 dampers, all fully certified. We've already reordered.”
“Very good product quality and responsive communication. The pneumatic actuator sizing was spot-on. Would recommend for heavy-duty isolation.”
“We replaced 8 old gate valves with Thriveon guillotine dampers on our coke oven gas line. Maintenance time dropped by 70%. Solid product.”
Request a free engineering consultation and get a detailed proposal within 24 hours. First-time buyers receive a 10% discount on their first order and a free spare parts kit.
Get Free Quote in 24h →✓ 24-month warranty ✓ ISO 9001 certified ✓ 10+ years serving US industry
Ningjin Thriveon Valve Co., Ltd. • South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei, China
Tel: +86-311-86935302 • Email: info@thriveonvalve.com • Contact Page
Related Products
Call us on:
+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China 
