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Two valve group
Model: EF-1
Nominal: PN2.5 PN6.3 PN16 PN32MPa
Nominal diameter: the DN5
Medium: oil, water, gas and other non-corrosive and aggressive media
Temperature: -40 ℃ -570 ℃
manufacturing materials: 20 # 1Cr18Ni9Ti, 0Cr18Ni12Mo2Ti, 316L other
pipe: steel ф12, ф14, ф16, ф18, brass ф6, ф8, ф10
connecting thread: G1 / 2 "1 / 2NPT G1 / 4" 1 / 4NPT
Product details

Product description

EF-1-type two-valve group is our company in the United Kingdom, the United States, Japan, Singapore and other countries in recent years instrumentation valve group structure based on the design of a small structure, beautiful appearance, reliable performance, easy to use and flexible, Standardization, high degree of generalization. The valve will be cut off, calibration and exhaust set of three devices, through the flange can be connected with the transmitter, compact structure, reducing the easy leak connector. The valve has two female joints for pressure gauge, pressure sensor or pressure switch installed. The series of valves can be used in a variety of domestic and foreign pneumatic or electrical differential pressure (pressure) transmitter and other instruments supporting the installation. 
 EF-1 type two valve block diagram

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 The main performance parameters

Serial number

Nominal pressure



proper temperature

Body material



NPT1 / 2 

NPT1 / 2 

-20 to 440 ° C

Carbon steel


-70 ~ 2400 ℃

stainless steel



-20 to 440 ° C

Carbon steel


-70 ~ 240 ℃

stainless steel