shutoff valves
V48/V88 Diaphragm gas valves
V48 and V88 Series Diaphragm Gas Valves
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Overview
Solenoid-operated diaphragm valves provide slow opening and fast closing suitable for controlling natural, LP or manufactured gases. They are normally used on atmospheric boilers, commercial water heaters, and rooftop heaters.
Features & Benefits:
Features & Benefits:
- V48 for line voltage service; V88 for 24 Vac service
- Close firmly with diaphragm that is both weight and spring loaded
- Two second maximum closing time
- Valve closes on power failure; recommended for final shutoff service
- Set opening time with various sized bleed orifices or adjustable bleed valve
- Use with LP, natural or manufactured gases
- Made with cast aluminum in straight-through valve pattern
- Valve position indicator available for 1-1/4 in. V48A2227
- Type of Fuel: Natural; LP; Manufactured
- Bleed Tapping: 1/8-27 NPT
- Body Pattern: Straight-through
- Valve Opening Time: 5 sec max
- Valve Closing Time: 2 sec max
- Mounting: Upright (horizontal)
- Materials: Body – Aluminum
- Frequency: 60 Hz
- Power Consumption: 9 W; 15 VA max
- Electrical Connections: 6 in. Leadwires
- Operating Temperature Range: 32°F to 125°F (0°C to 52°C)
- Approvals, Underwriters Laboratories Inc.: File No. MH1639, Guide No. YIOZ
- Approvals, CSA: Certificate No. 158158-2500005576 (Z21.21-CSA 6.5)
Specifications
Environmental Conditions
- Ambient Temperature Range
- V48A/V88A: 32 to 125 deg F (0 to 52 deg C)
- V88J: up to 150 deg F (66 deg C)
Electrical Specifications
- Voltage Rating
- V48A (120V), V88A (24V), V88J (24V, high-temp)
- Power Consumption
- 9 W or 15 VA Watt
Dimensions & Size Specifications
- Valve Sizes
- 3/4 in, 1 in, 1-1/4 in, 1-1/2 in, 2 in, 2-1/2 in, 3 in NPT
Actuation, Valve & Motion Control Specifications
- Valve Position Indicator
- Optional valve position indicator on selected 1‑1/4 in models
- Valve Pattern
- Straight-through, non-offset
- Opening Time
- ≤5 seconds (at 2 oz/in² pressure)
- Closing Time
- ≤2 seconds (on power failure)
- Bleed Orifice Options
- Adjustable or fixed bleed orifices available (OEM‑installed options)
Overview
- Product Type
- Solenoid-operated diaphragm valve
- Models
- V48A, V88A, V88J
Combustion, Fuel & Mixing Sub‑Systems
- Pilot Tapping
- 1/4-18 NPT (2 to 3 in)
- 1/8-27 NPT (3/4-11/2 in)
Control, Logic & Functional Behavior
- Operation Type
- Normally closed; slow opening, fast closing Millimeter-PRD
Installation & Mounting Specifications
- Mounting Position
- Any position; pipe or bracket mounted
Pressure Specifications
- Maximum Operating Pressure
- V48A/V88A: 1/2 or 1 psi kilopascal
- V88J: 1 psi kilopascal
Fuel, Gas & Media Specifications
- Gas Type
- Natural, LP, manufactured, Sulfur-Bearing Gases
Fluid/Media/Component Temperatures
- Fluid Temperature Range
- V48A/V88A: 125 deg F
- V88J: 150 deg F
Mechanical Design & Adjustment Characteristics
- Bleed Tapping
- 1/8-27 NPT
Standards & Certifications
- Approvals
- UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
Environmental Conditions
- Ambient Temperature Range
- V48A/V88A: 32 to 125 deg F (0 to 52 deg C)
- V88J: up to 150 deg F (66 deg C)
Electrical Specifications
- Voltage Rating
- V48A (120V), V88A (24V), V88J (24V, high-temp)
- Power Consumption
- 9 W or 15 VA Watt
Dimensions & Size Specifications
- Valve Sizes
- 3/4 in, 1 in, 1-1/4 in, 1-1/2 in, 2 in, 2-1/2 in, 3 in NPT
Actuation, Valve & Motion Control Specifications
- Valve Position Indicator
- Optional valve position indicator on selected 1‑1/4 in models
- Valve Pattern
- Straight-through, non-offset
- Opening Time
- ≤5 seconds (at 2 oz/in² pressure)
- Closing Time
- ≤2 seconds (on power failure)
- Bleed Orifice Options
- Adjustable or fixed bleed orifices available (OEM‑installed options)
Overview
- Product Type
- Solenoid-operated diaphragm valve
- Models
- V48A, V88A, V88J
Combustion, Fuel & Mixing Sub‑Systems
- Pilot Tapping
- 1/4-18 NPT (2 to 3 in)
- 1/8-27 NPT (3/4-11/2 in)
Control, Logic & Functional Behavior
- Operation Type
- Normally closed; slow opening, fast closing Millimeter-PRD
Installation & Mounting Specifications
- Mounting Position
- Any position; pipe or bracket mounted
Pressure Specifications
- Maximum Operating Pressure
- V48A/V88A: 1/2 or 1 psi kilopascal
- V88J: 1 psi kilopascal
Fuel, Gas & Media Specifications
- Gas Type
- Natural, LP, manufactured, Sulfur-Bearing Gases
Fluid/Media/Component Temperatures
- Fluid Temperature Range
- V48A/V88A: 125 deg F
- V88J: 150 deg F
Mechanical Design & Adjustment Characteristics
- Bleed Tapping
- 1/8-27 NPT
Standards & Certifications
- Approvals
- UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
- Ambient Temperature Range : V48A/V88A: 32 to 125 deg F (0 to 52 deg C)|V88J: up to 150 deg F (66 deg C)
- Voltage Rating : V48A (120V), V88A (24V), V88J (24V, high-temp)
- Valve Sizes : 3/4 in, 1 in, 1-1/4 in, 1-1/2 in, 2 in, 2-1/2 in, 3 in NPT
- Valve Position Indicator : Optional valve position indicator on selected 1‑1/4 in models
- Valve Pattern : Straight-through, non-offset
- Product Type : Solenoid-operated diaphragm valve
- Power Consumption : 9 W or 15 VA Watt
- Pilot Tapping : 1/4-18 NPT (2 to 3 in)|1/8-27 NPT (3/4-11/2 in)
- Operation Type : Normally closed; slow opening, fast closing Millimeter-PRD
- Opening Time : ≤5 seconds (at 2 oz/in² pressure)
- Mounting Position : Any position; pipe or bracket mounted
- Models : V48A, V88A, V88J
- Maximum Operating Pressure : V48A/V88A: 1/2 or 1 psi kilopascal|V88J: 1 psi kilopascal
- Gas Type : Natural, LP, manufactured, Sulfur-Bearing Gases
- Fluid Temperature Range : V48A/V88A: 125 deg F|V88J: 150 deg F
- Closing Time : ≤2 seconds (on power failure)
- Bleed Tapping : 1/8-27 NPT
- Bleed Orifice Options : Adjustable or fixed bleed orifices available (OEM‑installed options)
- Approvals : UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
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