Regulating valves

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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

In straight through form with diaphragm actuator, diaphragm: NBR max. 100°C,

operating mode: the valve closes when the downstream pressure rises

body: 0.7043, PN 16 body: 1.0619, PN 40 body: 1.4581, PN 40

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

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

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