manual valves and filters
Adjustable Orifice Valves (ALO/ALO-R)
Precise gas flow adjustment.
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Overview
Eclipse ALO-R Valves are needle and seat type valves designed to provide accurate gas flow adjustment when installed in gas lines feeding nozzle mix burners. Eclipse ALO Valves are recommended for installation in gas lines feeding nozzle mix burners as a means of gas flow adjustment for the desired air/gas ratio.
Specifications
Dimensions & Size Specifications
- Sizes
- 3/4, 1, 1‑1/4, 1‑1/2, 2 in
Performance, Flow & Capacity
- Flow Coefficient (Cv/Kvs)
- Cv values vary by size (e.g., ALO‑3: 4.70; ALO‑8: 24.81)
Pressure Specifications
- Maximum Inlet Pressure
- 40 psi (≈ 2.75 bar) millibar
Actuation, Valve & Motion Control Specifications
- Valve Body Pattern
- Globe‑Style Valve Body
- Orifice Design
- V‑port design for extremely fine ratio adjustment
Overview
- Product Type
- ALO - Straight‑through adjustable limiting orifice valve
- ALO-R - Right‑angle version of the adjustable limiting orifice valve
Applications & Compatibility
- Applications
- Nozzle‑mix burners, combustion systems requiring precise air/gas ratio control
Standards & Certifications
- Approvals
- Gas Appliances Directive (2009/142/EC), DIN 3586 - Thermally activated shut‑off devices for gas, Compliant with TRGI (DVGW Code of Practice G 600) and German Firing System Directive
Dimensions & Size Specifications
- Sizes
- 3/4, 1, 1‑1/4, 1‑1/2, 2 in
Performance, Flow & Capacity
- Flow Coefficient (Cv/Kvs)
- Cv values vary by size (e.g., ALO‑3: 4.70; ALO‑8: 24.81)
Pressure Specifications
- Maximum Inlet Pressure
- 40 psi (≈ 2.75 bar) millibar
Actuation, Valve & Motion Control Specifications
- Valve Body Pattern
- Globe‑Style Valve Body
- Orifice Design
- V‑port design for extremely fine ratio adjustment
Overview
- Product Type
- ALO - Straight‑through adjustable limiting orifice valve
- ALO-R - Right‑angle version of the adjustable limiting orifice valve
Applications & Compatibility
- Applications
- Nozzle‑mix burners, combustion systems requiring precise air/gas ratio control
Standards & Certifications
- Approvals
- Gas Appliances Directive (2009/142/EC), DIN 3586 - Thermally activated shut‑off devices for gas, Compliant with TRGI (DVGW Code of Practice G 600) and German Firing System Directive
- Sizes : 3/4, 1, 1‑1/4, 1‑1/2, 2 in
- Flow Coefficient (Cv/Kvs) : Cv values vary by size (e.g., ALO‑3: 4.70; ALO‑8: 24.81)
- Maximum Inlet Pressure : 40 psi (≈ 2.75 bar) millibar
- Valve Body Pattern : Globe‑Style Valve Body
- Orifice Design : V‑port design for extremely fine ratio adjustment
- Product Type : ALO - Straight‑through adjustable limiting orifice valve|ALO-R - Right‑angle version of the adjustable limiting orifice valve
- Applications : Nozzle‑mix burners, combustion systems requiring precise air/gas ratio control
- Approvals : Gas Appliances Directive (2009/142/EC), DIN 3586 - Thermally activated shut‑off devices for gas, Compliant with TRGI (DVGW Code of Practice G 600) and German Firing System Directive
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10027231
GASCOCK,0.5 IN. NPT,ADJ ORIF,0.5 " ADJ G
10027231
GASCOCK,0.5 IN. NPT,ADJ ORIF,0.5 " ADJ G
101023457
GASCOCK,0.5 IN. RC,ADJ ORIF,0.5 " ADJ GA
101023457
GASCOCK,0.5 IN. RC,ADJ ORIF,0.5 " ADJ GA
19938
CAP,VLV,ORIF,LMTG,ALO 3,ALO 4
19938
CAP,VLV,ORIF,LMTG,ALO 3,ALO 4
302001
VLV,ORIF,LMTG,R ANG,1 IN.,NPT,44 17 ALO
302001
VLV,ORIF,LMTG,R ANG,1 IN.,NPT,44 17 ALO
302003
VLV,ORIF,LMTG,R ANG,1.5 IN.,NPT,66 24 AL
302003
VLV,ORIF,LMTG,R ANG,1.5 IN.,NPT,66 24 AL
302005
VLV,ORIF,LMTG,R ANG,2 IN.,NPT,86 24 ALO
302005
VLV,ORIF,LMTG,R ANG,2 IN.,NPT,86 24 ALO
302006
VLV,ORIF,LMTG,R ANG,2 IN.,NPT,88 30 ALO
302006
VLV,ORIF,LMTG,R ANG,2 IN.,NPT,88 30 ALO
302008
VLV,ORIF,LMTG,R ANG,3 IN.,NPT,126 24 ALO
302008
VLV,ORIF,LMTG,R ANG,3 IN.,NPT,126 24 ALO
302009
VLV,ORIF,LMTG,R ANG,3 IN.,NPT,128 30 ALO
302009
VLV,ORIF,LMTG,R ANG,3 IN.,NPT,128 30 ALO
302013
VLV,ORIF,LMTG,R ANG,4 IN.,NPT,1612 62 AL
302013
VLV,ORIF,LMTG,R ANG,4 IN.,NPT,1612 62 AL
