298-03109
Details
Details
298-03109 1/2 in. NPT 2-Way Normally Open Globe Valve with OpenAir GCA161.1U Spring Return Actuator on Rack and Pinion Linkage, 0-10V, 24 VAC/DC
Springs back to open on power loss.
Ships with the actuator preloaded at the factory.
Normal-duty packing limits media to 20 to 250 deg F.
Limits modulating differential to 50 psi.
Needs the ASZ6.6 stem heater for media below 32 deg F.
Key Features
- Cv: 1.6
- Close-off: 250 psi
- Flow characteristic: equal percentage
- Trim: stainless steel
- Stroke: 3/4 in.
- Feedback: 0 to 10 VDC
Product Specifications
| Manufacturer | Siemens |
|---|---|
| Model | 29803109 (298-03109) |
| Product | Flowrite 599 Series 2-way globe valve and actuator assembly |
| Valve body part number | 599-03109 |
| Actuator | OpenAir GCA161.1U Spring Return Actuator on Rack and Pinion Linkage, 0-10V, 24 VAC/DC |
| Fail action | Spring return to the valve normal position on power failure; this NO valve fails open |
| Line size | 1/2 in (15 mm) |
| Cv (Kvs) | 1.6 (1.37) |
| Action | Normally open (NO) |
| Flow characteristic | Equal percentage |
| Trim | Stainless steel |
| Packing | Normal duty (EPDM O-rings) |
| End connections | IT x IT (internal thread NPT x internal thread NPT) |
| Medium temperature | 20 deg F to 250 deg F (-7 deg C to 120 deg C) |
| Controlled medium | Saturated steam, water, 50% water-glycol solutions |
| Maximum recommended differential pressure, modulating, liquid | 50 psi (345 kPa) |
| Maximum recommended differential pressure, modulating, steam | 50 psi (345 kPa) |
| Maximum inlet pressure | Water: per pressure-temperature rating; steam: 100 psig (690 kPa) |
| Water capacity (gpm at pressure drop) | 1 psi: 1.6; 5 psi: 3.6; 10 psi: 5.1; 25 psi: 8.0; 50 psi: 11.3 |
| Body material | UNS CA 844 bronze |
| Valve body rating | ANSI Class 250 |
| Pressure-temperature rating (bronze, ANSI Class 250) | -20 to +150 deg F (-30 to 66 deg C): 400 psig (2758 kPa); +200 deg F (93 deg C): 385 psig (2655 kPa); +250 deg F (121 deg C): 365 psig (2586 kPa); +300 deg F (149 deg C): 335 psig (2300 kPa); +350 deg F (177 deg C): 300 psig (2068 kPa) |
| Stem | Stainless steel ASTM A582 Type 303 |
| Seat style | Single seat, metal-to-metal |
| Stem travel (stroke) | 3/4 in (20 mm) |
| Bonnet | Direct-coupled universal bonnet |
| Controlled medium (series) | Saturated steam, water, 50% water-glycol solutions |
| Rangeability | >100:1 |
| Leakage rate | ANSI Leakage Class IV (0.01% of Cv) |
| Mounting location | NEMA 1 (interior only) |
| Canadian Registration Number | 0C24303.5 |
| Installation orientation | Best with actuator above the valve body; any position between vertical and horizontal; not recommended with the actuator below horizontal or upside down |
| Parts materials | Gasket copper; NO 3/4 to 2 in bonnet brass; stem and plug assembly bronze or stainless steel; valve body bronze; O-ring EPDM; NC cap brass |
| Stem heater (accessory) | ASZ6.6 stem heating element required for media below 32 deg F (0 deg C); 24 VAC/DC +/-20%, 40 VA/30 W max |
| Valve dimension A | 1-7/16 (36) in |
| Valve dimension B | 2-15/16 (74) in |
| Valve dimension C | 1-1/4 (31) in |
| Valve weight | 3 lb (1.4 kg) |
| Close-off pressure, this assembly | 250 psi (1724 kPa) |
| Close-off rating basis | According to ANSI/FCI 70-2; ANSI Class IV (0.01% of Cv) |
| Valve actuator assembly | 599-03609 = rack and pinion linkage + OpenAir GCA161.1U electronic actuator, for modulating control; actuator prefix code 298 (298-XXXXX = linkage, actuator and valve assembly); linkage alone = 599-03610 |
| Actuator type | Electro-mechanical, spring return, 'Electro-Mechanical - 24 VAC' in valve selection tables; brushless DC motor with stall protection |
| Actuator operating voltage | 24 VAC +/-20% or 24 VDC +/-10% (G-G0) |
| Actuator frequency | 50/60 Hz |
| Actuator power consumption | Running 7 VA / 5 W; holding 5 VA / 3 W |
| Power consumption for transformer sizing (valve assembly) | 9 VA; max 9 actuators per Class 2 supply circuit (80% of transformer VA) |
| Actuator equipment rating | Class 2, in accordance with UL/CSA |
| Control signal (Y-G0) | 0 to 10 VDC (max. 35 VDC) |
| Input resistance | >100K ohms |
| Position feedback (U-G0) | 0 to 10 VDC position output; maximum output current +/-1 mA |
| Actuator operation | Angle of rotation proportional to the 0 to 10 VDC signal on wire Y; 0 to 10 VDC feedback between U and G0 monitors position |
| Built-in options | Standard cable; position feedback; no dual auxiliary switches, no signal inversion, no offset/span adjustment on this model |
| Actuator torque | 160 lb-in (18 Nm) running and spring return (operating with 24 VAC); maximum <360 lb-in (40 Nm); at -25 deg F spring return is 142 lb-in (16 Nm) |
| Running time (90 deg) | 90 s operating with motor |
| Spring return time | 15 s typical closing on power loss (submittal: 15 s typical, 30 s max) |
| Actuator fail action | Spring return; on power failure or when operating voltage is shut off all models return to the 0 position (bi-directional fail-safe spring return) |
| Direct / reverse acting (valve assembly) | Direct-acting or reverse-acting control is set by the actuator's mounting orientation on the linkage (single end-stop tab upper left = direct, upper right = reverse); in both cases the actuator is engaged with the valve stem full up (min 1.80 in (46 mm) between bottom of linkage stem coupling and top of bonnet) |
| Factory preload | Actuators are preloaded at the factory (TI: 5 deg preload as shipped); if preload is lost it must be reset per the preload procedure |
| Angle of rotation | 90 deg nominal, 95 deg maximum |
| Actuator manual override | Hex key in override opening, turned in arrow direction; gear train lock pin holds position (turn only about 5 deg); release by restoring power and control signal, or with power absent turn key in arrow direction and remove |
| Overload protection | Overload protected over the full range to prevent damage if blocked |
| Actuator enclosure | NEMA 2, IP54 per EN 60 529, mounted vertical to horizontal 90 deg; NEMA 3R with weather shield accessory in vertical position (damper-actuator accessory; fit on the valve linkage not stated) |
| Mounting positions (valve assembly) | Acceptable NEMA 2 mounting positions: upright through 90 deg to either side (figure) |
| Ambient operating temperature | -25 deg F to 130 deg F (-32 deg C to 55 deg C) |
| Storage and transport temperature | -40 deg F to 158 deg F (-40 deg C to 70 deg C) |
| Ambient humidity | 95% rh non-condensing |
| Actuator approvals | UL listed to UL60730 (to replace UL873); cUL certified to C22.2 No. 24-93; CE: EMC 2004/108/EC, immunity EN61000-6-2, emissions EN61000-6-3 |
| Electrical connection | Pre-cabled, 18 AWG, 3 ft (0.9 m) standard cable |
| Wiring | 1 red = G supply (SP); 2 black = G0 neutral (SN); 8 gray = Y 0 to 10 VDC input; 9 pink = U 0 to 10 VDC position feedback |
| Power supply wiring | Earth-ground isolating step-down Class 2 transformers; do not use autotransformers; max Class 2 transformer 100 VA; wiring per NEC and local codes |
| Actuator housing material | Die-cast aluminum alloy; silicone-free gear lubrication |
| Noise level | <45 dBA (running) |
| Life cycle | Designed for over 60,000 full strokes and a minimum of 1.5 million repositions at rated torque and temperature |
| Weight (actuator alone) | 4.85 lb (2.2 kg); linkage and assembly weight not printed |
| Dimensions (actuator alone) | 11-13/16 in (300 mm) H x 4-3/4 in (120 mm) W x 2-7/8 in (72 mm) D |
| Dimensions (linkage + actuator on valve) | 14-1/2 in (368 mm) max height; 13 in (330 mm) max; 5 in (127 mm) wide; 5-1/8 in (131 mm) deep; 1-1/2 in (38 mm); 2-1/2 in (64 mm) |
| Service clearances (valve assembly) | Min 10 in (254 mm) from top; min 4 in (102 mm) each side; min 12 in (305 mm) from front; min 8 in (203 mm) from back |
