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
Overview
- Models
- V48A, V88A, V88J
- Product Type
- Solenoid-operated diaphragm valve
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)
Actuation, Valve & Motion Control Specifications
- Valve Position Indicator
- Optional valve position indicator on selected 1‑1/4 in models
- Bleed Orifice Options
- Adjustable or fixed bleed orifices available (OEM‑installed options)
- Valve Pattern
- Straight-through, non-offset
- Opening Time
- ≤5 seconds (at 2 oz/in² pressure)
- Closing Time
- ≤2 seconds (on power failure)
Fluid/Media/Component Temperatures
- Fluid Temperature Range
- V48A/V88A: 125 deg F
- V88J: 150 deg F
Material Specifications
- Valve Body Material
- Die-Cast Aluminum
Installation & Mounting Specifications
- Mounting Position
- Any position; pipe or bracket mounted
Electrical Specifications
- Voltage Rating
- V48A (120V), V88A (24V), V88J (24V, high-temp)
Combustion, Fuel & Mixing Sub‑Systems
- Pilot Tapping
- 1/4-18 NPT (2 to 3 in)
- 1/8-27 NPT (3/4-11/2 in)
Mechanical Design & Adjustment Characteristics
- Bleed Tapping
- 1/8-27 NPT
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
Standards & Certifications
- Approvals
- UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
Fuel, Gas & Media Specifications
- Gas Type
- Natural, LP, manufactured, Sulfur-Bearing Gases
Overview
- Models
- V48A, V88A, V88J
- Product Type
- Solenoid-operated diaphragm valve
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)
Actuation, Valve & Motion Control Specifications
- Valve Position Indicator
- Optional valve position indicator on selected 1‑1/4 in models
- Bleed Orifice Options
- Adjustable or fixed bleed orifices available (OEM‑installed options)
- Valve Pattern
- Straight-through, non-offset
- Opening Time
- ≤5 seconds (at 2 oz/in² pressure)
- Closing Time
- ≤2 seconds (on power failure)
Fluid/Media/Component Temperatures
- Fluid Temperature Range
- V48A/V88A: 125 deg F
- V88J: 150 deg F
Material Specifications
- Valve Body Material
- Die-Cast Aluminum
Installation & Mounting Specifications
- Mounting Position
- Any position; pipe or bracket mounted
Electrical Specifications
- Voltage Rating
- V48A (120V), V88A (24V), V88J (24V, high-temp)
Combustion, Fuel & Mixing Sub‑Systems
- Pilot Tapping
- 1/4-18 NPT (2 to 3 in)
- 1/8-27 NPT (3/4-11/2 in)
Mechanical Design & Adjustment Characteristics
- Bleed Tapping
- 1/8-27 NPT
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
Standards & Certifications
- Approvals
- UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
Fuel, Gas & Media Specifications
- Gas Type
- Natural, LP, manufactured, Sulfur-Bearing Gases
- Models : V48A, V88A, V88J
- Ambient Temperature Range : V48A/V88A: 32 to 125 deg F (0 to 52 deg C)|V88J: up to 150 deg F (66 deg C)
- Valve Position Indicator : Optional valve position indicator on selected 1‑1/4 in models
- Fluid Temperature Range : V48A/V88A: 125 deg F|V88J: 150 deg F
- Bleed Orifice Options : Adjustable or fixed bleed orifices available (OEM‑installed options)
- Valve Body Material : Die-Cast Aluminum
- Mounting Position : Any position; pipe or bracket mounted
- Voltage Rating : V48A (120V), V88A (24V), V88J (24V, high-temp)
- Valve Pattern : Straight-through, non-offset
- Pilot Tapping : 1/4-18 NPT (2 to 3 in)|1/8-27 NPT (3/4-11/2 in)
- Bleed Tapping : 1/8-27 NPT
- Product Type : Solenoid-operated diaphragm valve
- Opening Time : ≤5 seconds (at 2 oz/in² pressure)
- Closing Time : ≤2 seconds (on power failure)
- Valve Sizes : 3/4 in, 1 in, 1-1/4 in, 1-1/2 in, 2 in, 2-1/2 in, 3 in NPT
- Approvals : UL Listed File MH64447, Guide YIOZ, CSA Z21.21/CSA C I 6.5 (60 Hz models only)
- Gas Type : Natural, LP, manufactured, Sulfur-Bearing Gases
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