Resilient Gate Valve Lock L Type

PN10/PN16/125LB/150LB
1.5”~12” (40~300mm)
Cast Iron, Ductile Iron

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Resilient Gate Valve Lock L Type Product Information

Resilient gate valve lock L type is one type of resilient seated gate valve with L type lock device which can prevent others from operating it freely. Its on-off disc is the flexible wedge gate, whose moving direction is perpendicular with flow. Resilient seated gate valve can be only full open or full close. Flanged 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 design and manufacture the resilient gate valve lock L type according to standard of EN1171 and EN1074-2 with sizes of 1-1/2”~12” (DN40~DN300mm).

1. FEATURES

  • Full bore design
  • BB, bolted bonnet
  • NRS, outside screw and yoke
  • Nonrising stem and non-rising hand wheel
  • Resilient seated, renewable seat rings
  • Available with gear operator

3. STANDARDS

  • Design & manufacturing: EN1171, EN1074-2
  • Face to face: EN558-1, ASME B16.10, AS2638
  • Flanged ends: EN1092-2, ASME B16.1/B16.42, AS4078
  • Inspection & testing: API598 / EN12266

2. TECHNICAL SPECIFICATIONS

  • PN10/PN16/Class 125LB/Class 150LB
  • Size: 1-1/2”~12” (DN40~DN300mm)
  • Materials: Cast iron (GG25, ASTM A126 B), ductile iron (GGG50, GJS500, DIN1693, BS EN1563, ASTM A536 65-45-12)
  • Working pressure: 10bar, 16bar, 200psi
  • Applicable medium: water, sewage, waste water
  • Applicable temperature: -10℃~+80℃

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 industry

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

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contactOr give us a email at

sales@lokvalve.com