Product Description
The Caleffi 304040A is a 1/2 inch MNPT vacuum relief valve. This valve functions as a vacuum breaker for domestic water systems. It allows air to enter the piping, preventing vacuum conditions that can pull water and harm equipment.
Complies with ANSI Z21.22 and CSA 4.4 standards.
Ideal for hot and cold water storage tanks.
DZR low-lead brass construction.
Product Highlights
Protection against vacuum conditions for water heaters and supply tanks.
Product Information
Standard Information
Brand: Caleffi
MPN: 304040A
Technical Specifications
Medium: Water, low pressure steam
Max. working pressure (water): 200 psig (14 bar)
Max. working pressure (steam): 15 psig (1 bar)
Working temperature range: 32 - 250 degrees F (0 – 120 degrees C)
Vacuum relief opening pressure: 0.3 inches Hg (1 kPa) vacuum
Relief capacity: 4.5 CFM @ 2 inches Hg (130 lpm @ 7 kPa vacuum)
Size: 1/2 inch
Application: Water, Steam
Material: Brass
Connection Type: MNPT
Maximum operating pressure: 200 psi
Medium temperature range: 32 – 250 degrees F
Product DescriptionThe Caleffi 304040A is a 1/2 inch MNPT vacuum relief valve. This valve functions as a vacuum breaker for domestic water systems. It allows air to enter the piping, preventing vacuum conditions that can pull water and harm equipment.
Complies with ANSI Z21.22 and CSA 4.4 standards.
Ideal for hot and cold water storage tanks.
DZR low-lead brass construction.
Product HighlightsProtection against vacuum conditions for water heaters and supply tanks.Product InformationStandard Information
Brand: Caleffi
MPN: 304040A
Technical Specifications
Medium: Water, low pressure steam
Max. working pressure (water): 200 psig (14 bar)
Max. working pressure (steam): 15 psig (1 bar)
Working temperature range: 32 - 250 degrees F (0 – 120 degrees C)
Vacuum relief opening pressure: 0.3 inches Hg (1 kPa) vacuum
Relief capacity: 4.5 CFM @ 2 inches Hg (130 lpm @ 7 kPa vacuum)
Size: 1/2 inch
Application: Water, Steam
Material: Brass
Connection Type: MNPT
Maximum operating pressure: 200 psi
Medium temperature range: 32 – 250 degrees F
Vendor: CALEFFI
Vendor Raw: CALEFFI
Product Type: Safety Valves
Availability Text: In Stock
Brand: Caleffi
MPN: 304040A
Medium: Water, low pressure steam
Max. working pressure (water): 200 psig (14 bar)
Max. working pressure (steam): 15 psig (1 bar)
Working temperature range: 32 - 250 degrees F (0 – 120 degrees C)
Vacuum relief opening pressure: 0.3 inches Hg (1 kPa) vacuum
Relief capacity: 4.5 CFM @ 2 inches Hg (130 lpm @ 7 kPa vacuum)
Size: 1/2 inch
Application: Water, Steam
Material: Brass
Connection Type: MNPT
Maximum operating pressure: 200 psi
Medium temperature range: 32 – 250 degrees F
Tags: AI_Content, loc_2, Parcel
Source file: 304040A - caleffi-304040a-vacuum-relief-valve-1-2-inch-mnpt.json.json
| Brand | Caleffi |
|---|---|
| MPN | 304040A |
| Medium | Water, low pressure steam |
| Max. working pressure (water) | 200 psig (14 bar) |
| Max. working pressure (steam) | 15 psig (1 bar) |
| Working temperature range | 32 - 250 degrees F (0 – 120 degrees C) |
| Vacuum relief opening pressure | 0.3 inches Hg (1 kPa) vacuum |
| Relief capacity | 4.5 CFM @ 2 inches Hg (130 lpm @ 7 kPa vacuum) |
| Size | 1/2 inch |
| Application | Water, Steam |
| Material | Brass |
| Connection Type | MNPT |
| Maximum operating pressure | 200 psi |
| Medium temperature range | 32 – 250 degrees F |
| Vendor | CALEFFI |
| Vendor Raw | CALEFFI |
| SKU | 304040A |
| Tipo de producto | Safety Valves |
| Disponibilidad | In Stock |
| Mensaje de envío | Ships Same Day if Ordered by 12 pm |
| Moneda | USD |
| Handle Shopify | caleffi-304040a-vacuum-relief-valve-1-2-inch-mnpt |
| Shopify Product ID | 9995334746418 |
| Peso | 0.8 lb |
| Peso gramos | 363 |
| Tags | AI_Content, loc_2, Parcel |