Dipper Valve Co.,Ltd

Nominal Diameter: NPS3”~NPS 16”
Pressure Rating: Class150~Class1500
Product Feature: ①National Energy Bureau And China National Petroleum Corporation “Oil And Gas Pipe Key Equipment Localizing Manufacturing Project” products; ②Automatic pressure relief, automatic close function; ③Pressure signal automatic measure and alarm function; ④Temperature stable function.

Nominal Diameter: 1”~24”
Pressure Rating: Class 150~Class2500
Actuator: Manual Operated, Electrical Actuator, Pneumatic Actuator etc
Product Feature: ① National Energy Bureau And China National Petroleum Corporation “Oil And Gas Pipe Key Equipment Localizing Manufacturing Project” Product; ②Bi-directional sealing; ③Low torque operation; ④Frequently open and close without damage; ⑤Self-cleaning function.

Nominal Diameter: 3”~16”
Pressure Rating: Class 150~Class 1500
Actuator:N/A

Nominal diameter range: 1/2”~ 60” Pressure rating: class 150~class 2500 Product features: ①National Energy Bureau and CNPC “Oil And Gas Pipe Key Equipment Localizing Manufacturing Project” product; ②National patent sealing technology, zero leakage reliable sealing; ③Single-direction back flow prevention, pump or compressor protection; ④High flow capacity, low pressure drop, reduced pump or compressor energy consumption.

Nominal Diameter: 1”~32” Pressure Rating:Class150~Class600 Actuator:Manual Operated, Electrical Actuator, Pneumatic Actuator etc Product Feature: ①Applicalbe Temprature:-196℃~-60℃; ②-196℃ liquid nitrogen cryogenic treatment; ③Nitrogen test leakage; ④Ideal to LNG, chemical processing of coal,a ir separation, ethylene application.

Nominal diameter: 1/2” ~ 20” Pressure rating: class 150 ~ class 900 Actuator: N/A Product Features: ①National utility model patent; ②-196℃ cryogenic treatment, no phase transformation and deformation on valve body and key components; ③Cryogenic action test and cryogenic test under -196℃, reliable sealing performance; ④Sichuan best product.