Fugitive Emission topic has been the hottest news recently because of greenhouse and environment friendly protection. Terofox is applicable to provide ISO15848, TA-Luft, API624 low emission certification on our products.

1. Document No. TF-EG-0030 Ver.01
Page 1 / 1 Copyright © 2016 Terofox Valves Integrated Corp. All Rights Reserved
Fugitive Emission Frequent Asked Questions
Can Terofox supply low-leaking valves?
Yes;
TF-20DFE series Flange Ball Valves,
EB-310DFE series Screw Ball Valves
BFV-800FSFE series High Performance Butterfly Valves have been certified by ISO15848-1:2015 Industrial valves --
Measurement, test and qualification procedures for fugitive emissions
Was every size tested?
Sizes were tested in accordance with ISO15848-1 which defines the minimum tests required to qualify a valve “stem size
coverage”, the sizes and pressure classes tested qualified the entire range of the series of TF-20DFE,
EB-310DFE,BFV-800FE.
What’s the range of certified valves compare to TA-Luft VDI2440
All our Fugitive Emission Certifications are as following:
TF-20DFE, Tightness Class: BH, Endurance Class: CO3 – 2500 cycles, RT
EB-310DFE, Tightness Class: BH, Endurance Class: CO3 – 2500 cycles, RT
BFV-800FSFE, Tightness Class: CH, Endurance Class: CO3 – 2500 cycles, RT
Comparison Table of the low emission standards
Standard ISO15848-1 TA-Luft VDI2440
Test Fluid He or CH4 He
Leakage Method Global Measure Global Measure
Class
A: 10-6·mg·s-1·m-1
B: 10-4·mg·s-1·m-1
C: 10-3·mg·s-1·m-1
10-4·mbr·l·s-1·m-1(1.76·10-5·mg·s-1·m-1)
Valve Type Stroke
100% for on-off
+10% for control
not specified
Number of Cycles 20k, 60k, 100k not specified
We are under a consent decree can you warrant your valves as part of our LDAR program?
Our all series of valves with ISO15848-1 Fugitive Emission can be certified as low leaking valves based on their test
results. Our engineers have experience working with customers under LDAR programs.
Fugitive Emissions, is it known as anything else?
The Oil and Gas industry is relatively new to measuring volatile organic compound (VOC) emissions from valves,
customers could use any of the below phrases all of which tie back to fugitive emissions.
 Certified low leaking valves
 Quad0
 Low-E
 Low Emissions
 EPA / LDAR
 40CFRPart60&63
How can we see the label or marking shown the valves are ISO15848-1 certified?
We have different color on lever to distinguish our valves with ISO15848-1, which is green color ( RAL 6024/Pantone
348 ) for demonstration. Also, the nameplate will have ISO15848-1 certified on the body of valves.
Any further questions please contact us.
Terofox Valves Integrated Corp.