Angular shape, spring-loaded. Completely closed oiltight and gastight upper part,
adjustable under operating conditions without medium escaping to the outside.
Type 418 tGFO NBR: seat NBR, o-ring: NBR, temperature: max. 130°C
Type 418 tGFO FKM: seat FKM, o-ring: EPDM, temperature: max. 200°C
Type 418 tGFO PTFE: seat PTFE, o-ring: FKM, temperature: max. 225°C
Ranges of adjustment: 0,2 - 1,2 bar / 1,2 - 3,0 bar / 2,0 - 12,0 bar / 12,0 - 30,0 bar
Double-sided screw joints, PN 25, body: 1.4408, membrane: EPDM or FKM,
with strainer inside, double-sided manometer connection G 1/4", max. 95°C,
481 mGFO-SP: DVGW-proved, set point range: 1 – 8 bar
481 mGFO-HP: set point range: 5 – 15 bar
481 mGFO-LP: set point range: 0,5 – 2 bar
Female thread or on request butt weld ends according to ISO1127/4200, DIN11850.1, DIN11850.2 or
DIN11850.3, PN 16, operating temperature: -10°C to +180°C,
body: stainless steel, seat and seals: PTFE, actuator: stainless steel, single acting
Straightway form, spring-loaded. Completely closed gastight upper part,
adjustable under operating conditions without medium escaping to the outside, body: 1.4408
Type 430 mGFO EPDM: seat EPDM, temperature: max. 95°C
Type 430 mGFO FKM: seat FKM, temperature: max. 200°C
Ranges of adjustment: 0,5 - 2 bar / 1,5 - 6 bar / 5,5 – 10 bar
with flange connection, PN 40, body: 1.4408, membrane: EPDM or FKM,
with strainer inside, Manometer connection G 1/4", max. 95°C,
482 mGFO-SP: DVGW-proved, set point range: 1 – 8 bar
482 mGFO-HP: set point range: 5 – 15 bar
482 mGFO-LP: set point range: 0,5 – 2 bar
Female thread or on request butt weld ends according to ISO1127/4200, DIN11850.1, DIN11850.2 or
DIN11850.3, PN 16, operating temperature: -10°C to +180°C,
body: stainless steel, seat and seals: PTFE, actuator: stainless steel, single acting
With flange connection, body: 1.4408, PN 40, manometer connection G 1/4"
Type 431 mGFO EPDM: seat EPDM, temperature: max. 95°C
Type 431 mGFO FKM: seat FKM, temperature: max. 200°C
Ranges of adjustment: 0,5 - 2 bar / 1,5 - 6 bar / 5,5 – 10 bar, DN 65-80: 1-6 bar
Double-sided screw joints, PN 25, body: red brass, membrane: EPDM or FKM,
with strainer inside, double-sided manometer connection G 1/4", DVGW-proved, max. 95°C,
681 mGFO-SP: DVGW-proved, set point range: 1 – 8 bar
681 mGFO-HP: set point range: 5 – 15 bar
681 mGFO-LP: set point range: 0,5 – 2 bar
Control valve in straight-way pattern with horizontal seat, stem sealing: PTFE V-rings with spring (+220°C) or
graphite gland packing (+450°C), ealve characteristic equal-percentage/linear,
electric actuator, type ARI-PREMIO, Type of enclosure: IP 65, supply voltage: 1~230V AC (other on request),
reduced kvs values possible
Fig. 12.440: PN 16, body: EN-JL1040 (GG-25), stem/disc/seat: 1.4021
Fig. 23.440: PN 16/25, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021
Angular shape, spring-loaded. Completely closed, oiltight and gastight upper part, also suitable
as overflow valve in the event of back pressure. Setting can be sealed.
Type 618 tGFO: Standard with Perbunan gasket. For liquids and gaseous media,
Medium temperature up to 130 °C (optional with PTFE-seal for max. 225°C)
Set pressure: 0,5 - 2,5 bar / 2,0 - 12,0 bar / 12,0 - 20,0 bar
with flange connection, PN 16 and PN 40, body: red brass, membrane: EPDM or FKM,
with strainer inside, manometer connection G 1/4", max. 95°C,
682 mGFO-SP: DVGW-proved, set point range: 1 – 8 bar
682 mGFO-HP: set point range: 5 – 15 bar
682 mGFO-LP: set point range: 0,5 – 2 bar
Control valve in straight-way pattern with horizontal seat, stem sealing: PTFE V-rings with spring (+220°C) or
graphite gland packing (+450°C), ealve characteristic equal-percentage/linear,
electric actuator, type ARI-PREMIO-Plus 2G, Type of enclosure: IP 65, supply voltage: 1~230V AC,
reduced kvs values possible, Positioner, Input: 4-20 mA or 0-10 V
Fig. 12.448: PN 16, body: EN-JL1040 (GG-25), stem/disc/seat: 1.4021
Fig. 25.448: PN 16/25/40, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021
Fig. 23.448: PN 16/25, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021
Fig. 35.448: PN 16/25, body: 1.0619+N, stem/disc/seat: 1.4021
Fig. 55.448: PN 16/25, body: 1.4408, stem/disc/seat: 1.4571
Straightway form, spring-loaded. Completely closed gastight upper part,
adjustable under operating conditions without medium escaping to the outside, body: red brass
Type 630 mGFO EPDM: seat EPDM, temperature: max. 95°C
Type 630 mGFO FKM: seat FKM, temperature: max. 200°C
Ranges of adjustment: 0,5 - 2 bar / 1,5 - 6 bar / 5,5 – 10 bar
Control valve in straight-way pattern with horizontal seat, stem sealing: PTFE V-rings with spring (+220°C) or
graphite gland packing (+450°C), valve characteristic equal-percentage/linear,
pneumatic actuator, type DP, single acting, normally closed (normally open on request),
reduced kvs values possible
Fig. 12.440: PN 16, body: EN-JL1040 (GG-25), stem/disc/seat: 1.4021
Fig. 23.440: PN 16/25, body: EN-JS1049 (GGG-40.3), stem/disc/seat: 1.4021
DIN-DVGW type test up to 30°C
DN 50 - 200, flange version, PN 16/25, body: 0.7043 polyamide coated, membrane: EPDM,
Setting scale, 2 glycerin-filled stainless steel pressure gauges, max. 110°C
382 mFO-SP: outlet pressure: 1.5 – 7 bar
382 mFO-HP: outlet pressure: 3 – 12 bar
382 mFO-LP: outlet pressure: 0.5 – 3 bar
With flange connection, body: red brass, PN 40, manometer connection G 1/4"
Type 631 mGFO EPDM: seat EPDM, temperature: max. 95°C
Type 631 mGFO FKM: seat FKM, temperature: max. 200°C
Ranges of adjustment: 0,5 - 2 bar / 1,5 - 6 bar / 5,5 – 10 bar, DN 65-80: 1-6 bar
