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BETTER Drilling Fluid Equipment Industrial Limited

China Manufacturer with main products: Centrifugal Pumps and Parts, Shale Shaker Screens, Solid Control Equipments, Fluid Control Tools, Handling Tools, Drilling Rig Components

Home  >Products Catalog > Drilling Fluid Pressure Control > DEMCO butterfly valve lug type

DEMCO butterfly valve lug type

FOB Price: 150.00 - 300.00 USD/Set
Supply Ability: 5,000 Piece/Pieces per Month
Shipping: FOB / CIF Tianjin
Payment Terms: T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shandong in China
Packaging Details: plywood case

Quick Details

  • Brand Name: BETTER
  • Model Number: ne-c
  • Port Size: 2"-12"
  • Media: Base
  • Temperature of Media: Normal Temperature
  • Material: Alloy
  • Power: Manual
  • Pressure: Low Pressure
  • Structure: Butterfly
  • Standard or Nonstandard: Standard
  • DEMCO style: NE-C water


DEMCO NE-C style Available in sizes 2" -12" , wafer and lug design

General style with flange locating holes 2" -64" Wafer and Lug type available, soft seal & hard seal, Handle and wheel operation


BETTER Butterfly valves available in 2'-12" DN50-DN300, Equivalent to DEMCO NE-C series BFV.

Water and Lug design, identical with NE-C style 2" -12"

10 position locking handle

One piece body to assure high strength and minimum weight, cast in water and lug pattern, rating at ANSI Class 150 (285 psi non-shock)

Top flange with large mounting area for automatic or manual actuators

Disc & seat are configured for low pressure drop and high flow coefficients

Replaceable seat in a wide range of materials of NBR, VITON, EPDM or upon request

Three drop tight pressure ratings 285psi, 200psi, 50psi; 200psi shutoff is widely used;

Bi-directional with identical flow-way from either face, easy installation & disassembly, inspection, replacement of parts;

Application in chemical plants, processing plants, power plants, refineries, shipbuilding, pulp and paper mills, also for heating, ventilation and air condition.

Low cost and light weight to low pressure water, oil, stream, gas and slurry application.


Material available:

Body- Ductile iron, Cast Iron


Disc-316SS, Aluminum Bronze, Nickle plated Ductile Iron

Seat-Buna-N, Viton, EPDM, Black Neoprene, Hypalon, Natural Rubber, While Neoprene, or special on request


Temperature within resilient seat limits

Buna-N, 0-180 F°, for hydrocarbon or petroleum

Black Neoprene & While Neoprene, 0-180 F°, for food, beverage, vegetable oil, oxygen

Viton, +20-300 F°, excellent in harsh chemical and elevated temperatures

Hypalon, 0-180 F°, excellent in acids and very high chemical resistant

Natural Rubber, +30-150 F°, for dry material high abrasion resistance, no used for oil

EPDM, +30-275 F°, for food except of edible oil and milk


Part no. reference:

Eg. 6" (150 mm) NE-C, 200 psi, Wafer, Standard Trim with Handle – 22124-1215311

200 psi 22119 22120 22121 22122 22123 22124 22125 22126 22127

285 psi 22225 22226 22227 22228 22229 22230 22231 22232 22233

50 psi 22234 22235 22236 22237 22238 22239 22240 22241 22242

1112311 1114311 1115311 1122311 1124311 1125311 1212311 1214311 1215311 1222311 1224311 1225311 5112311 5114311 5115311 5122311 5124311 5125311 5212311 5214311 5215311 5222311 5224311 5225311

Please contact our sales if you are interested in any of our products.

Sales Manager

Att.: Anna

BETTER Drilling Fluid Equipment Industrial Limited

Service Process

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    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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