Resilient Seated Gate Valve PN25 Product Information
Resilient seated gate valve PN25 is one type of non-rising stem gate valve according to standard of EN1171 and EN1074-2, whose flexible wedge gate is coated with rubber NBR or EPDM. Its moving direction is perpendicular with flow. PN25 gate valve can be only full open or full close. PN25 resilient seated gate valves are widely used in series of industries, especially in water supply projects, public works, water treatment plan, fire fighting, etc. Flowspec Luokai can manufacture and supply the resilient seated gate valve PN25bar with sizes of 2”~12” (DN50~DN300mm).
1. FEATURES
- Full bore design
- BB, bolted bonnet
- NRS, non-rising stem
- Resilient seated, renewable seat rings
- Available with gear operator
3. STANDARDS
- Design & manufacturing: EN1171, EN1074-2
- Face to face: EN558-1
- Flanged ends: EN12266
- Inspection & testing: EN12266
2. TECHNICAL SPECIFICATIONS
- PN25bar (2.5MPa)
- Size: 2”~12” (DN50~DN300mm)
- Materials: ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12), carbon steel (A216 WCB, GS-C25, SCPH2 )
- Applicable medium: water, sewage, waste water
- Applicable temperature: -10℃~+80℃
- Working pressure: 25bar, 300WOG
4. APPLICATIONS
- Water supply plant
- High building industry
- Mining, steel industry
- Metallurgy plant, power plant
- Oil, chemical industry
- Textile, pharmaceutical industry
- Waste water, sludge, sewage treatment industry
- Food, pharmaceutical industry
- Fire fighting
Why Choose Flowspec Luokai
45+ Years Experience
Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.
Global Certifications
ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.
OEM Custom Solutions
Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.
Worldwide Delivery
Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.
Our Service Promise
Strict Quality Control
Every valve tested to API 598, EN 12266 before shipment
Timely Global Delivery
Reliable logistics to 5 continents with secure packaging
OEM & Custom Design
Tailored material, size, pressure and actuation to your specs
Dedicated After-Sales
Technical support and service throughout product lifecycle


