![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/FRG_US.png)
FRG - Ratio Regulator & Zero Governor (USA/CDN) Max. Operating pressure: 7 PSI / 5 PSI
Nominal diameter: NPT 1/2 - NPT3
Nominal diameter: NPT 1/2 - NPT3
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRI.png)
FRI: DMV用压力调节器 Max. Operating pressure: 7 PSI / 5 PSI
Nominal diameter: Rp 1/2 - Rp 1 1/4, NPT 1/2 - NPT 2
Nominal diameter: Rp 1/2 - Rp 1 1/4, NPT 1/2 - NPT 2
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRM_HD_SAV_1c.png)
FRM 中调压阀 DN 25 – DN 50 Max. Operating pressure: 10 / 25 bar
Nominal diameter: DN 25 - DN 50
Approvals: EN 334, EN 14382
Nominal diameter: DN 25 - DN 50
Approvals: EN 334, EN 14382
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRM_md_hd_SAV_1c_560x560.png)
FRM 中调压阀 DN 65 – DN 80 Max. Operating pressure: 10 / 25 bar
Nominal diameter: DN 65 – DN 80
Approvals: EN 334, EN 14382
Nominal diameter: DN 65 – DN 80
Approvals: EN 334, EN 14382
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRM_NOC.png)
FRM-NOC 中调压阀 Max. Operating pressure: 10 bar
Nominal diameter: Rp 1”- 2” / DN 25 - DN 50
Approvals: EN 334, EN 14382
Nominal diameter: Rp 1”- 2” / DN 25 - DN 50
Approvals: EN 334, EN 14382
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRNG_DN_1c.png)
FRNG: 零压调节器/恒压调节器 Max. Operating pressure: 500 mbar (50 kPa)
Nominal diameter: Rp 3/8 - Rp 2 1/2, DN 40 - DN 150
Approvals: EN 88
Nominal diameter: Rp 3/8 - Rp 2 1/2, DN 40 - DN 150
Approvals: EN 88
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/FRS_LP_US.png)
FRS - Line Pressure Regulator (USA/CDN) Max. Operating pressure: 7 PSI / 5 PSI
![](/fileadmin/media/Images/Products/Products_Previews/Group_13_US/FRS_GA_US.png)
FRS: Gas Appliance Pressure Regulator (USA/CDN) Max. Operating pressure: 7 PSI / 5 PSI
Nominal diameter: NPT 1/2 - NPT3, DN 40 - DN 150
Approvals: CSA, EN 88
Nominal diameter: NPT 1/2 - NPT3, DN 40 - DN 150
Approvals: CSA, EN 88
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRS_1c.png)
FRS: 燃气调压器 Max. Operating pressure: 500 mbar (50 kPa)
Nominal diameter: Rp 3/8 - Rp 2 1/2, DN 40 - DN 150
Approvals: EN 88
Nominal diameter: Rp 3/8 - Rp 2 1/2, DN 40 - DN 150
Approvals: EN 88
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRSBV_2.png)
FRSBV - 安全放散阀 Max. Operating pressure: 5 bar / 20 bar
Nominal diameter: Rp 1
Approvals: DIN 33821
Nominal diameter: Rp 1
Approvals: DIN 33821
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRSBV_1c_01.png)
FRSBV: 安全放散阀 Max. Operating pressure: 1 bar
Nominal diameter: Rp 1
Approvals: EN 88 / DIN 33821
Nominal diameter: Rp 1
Approvals: EN 88 / DIN 33821
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/FRU_1c.png)
FRU: 循环调节器 Max. Operating pressure: 500 mbar (50 kPa)
Nominal diameter: Rp 1/2 - Rp 2, DN 40 - DN 100
Approvals: EN 88
Nominal diameter: Rp 1/2 - Rp 2, DN 40 - DN 100
Approvals: EN 88
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/SAV_Dungswinkel_1c.png)
SAV DN 25 - DN 50 Max. Operating pressure: 10 / 25 bar
Nominal diameter: Rp 1/2 - Rp 1, DN 25 - DN 50
Approvals: EN 14382
Nominal diameter: Rp 1/2 - Rp 1, DN 25 - DN 50
Approvals: EN 14382
![](/fileadmin/media/Images/Products/Products_Previews/Group_02/SAV_DN_65-80.png)
SAV DN 65 - DN 80 Max. Operating pressure: 10 / 25 bar
Nominal diameter: DN 65 – DN 80
Approvals: EN 14382
Nominal diameter: DN 65 – DN 80
Approvals: EN 14382