0 $0.00
items in your cartto quote Checkout
Ooops no items were found.
Try something else.
Ok
Loading…
To cart
Quote Me
Checkout
0
Apollo Valves

Apollo Series 521 Relief Valve

Category Apollo Relief Valves
A521PRV
View
Apollo Valves

Apollo Series 521 Relief Valve

Item Code: A521PRV
Versatile Safety Relief valve available in bronze, carbon steel or all stainless steel construction, suitable for a wide range of steam, air, gas and liquid applications. High capacity full nozzle design is available with metal-to-metal, PCTFE or elastomer O-ring seating. Short tuned blowdown and backpressure tight body minimizes fugitive emissions and product losses in the event of valve operation.

ASME SECTION VIII
• Sizes 1/2” thru 2” NPT
• Factory Set Pressure Range: 5-1200 psig @ 800°F max.
• (See Pressure/temperature Limit Chart Below for Specific Ratings for Each Model)
APPLICATIONS
• Pressure Vessels and Pressure Piping Systems
• Pumps, Tanks and Hydraulic Systems
• Thermal Relief of Liquid Filled Vessels
• Chemical, Process and Other Industrial Plants
• Power Plant Auxiliary Systems
• Cryogenic and Industrial Gases
• Air and Gas Compressors and Dryers
• Vacuum Relief
FEATURES
• Wide Range of Materials and Options
• One Trim Design is Suitable for Steam, Air / Gas and Liquid Service
• High Capacity Full Nozzle Design
• Stainless Steel Springs
• Integral Lift Stop
• Self-Aligning Pivoting Disc
• Metal seats are lapped to optical flatness
• Tuned Blowdown - Short and Adjustable, Reduces Product Losses
• Backpressure Tight Design Minimizes Fugitive Emissions
• NSF/ANSI/CAN 61 Water Quality (540 Series)
• CSA B51 CRN OG8547.5C
• Proudly Made in USA
OPTIONS
• Screwed Cap Standard), Packed Lift Lever
• Test Gags
• Elastomer or PCTFE Soft Seat for Exceptional Seat Tightness
• High Temperature Alloy Springs for 550°F - 800°F Service
• Special Cleaning Available
• European Pressure Equipment Directive Compliant Option (CE/PED)

Don't see what you are looking for?
Not sure what you are looking for?
Give us a call or send us an email. We can help!
Category Apollo Relief Valves
Image Item Code
Options
 Full Description 1 + Qty.
Total {{ total }} products
show per page

Sections

Brand

Apollo Valves

Category

Apollo Relief Valves

Apollo Valves

Apollo Series 521 Relief Valve

Category Apollo Relief Valves
A521PRV
View
Apollo Valves

Apollo Series 521 Relief Valve

Item Code: A521PRV
Versatile Safety Relief valve available in bronze, carbon steel or all stainless steel construction, suitable for a wide range of steam, air, gas and liquid applications. High capacity full nozzle design is available with metal-to-metal, PCTFE or elastomer O-ring seating. Short tuned blowdown and backpressure tight body minimizes fugitive emissions and product losses in the event of valve operation.

ASME SECTION VIII
• Sizes 1/2” thru 2” NPT
• Factory Set Pressure Range: 5-1200 psig @ 800°F max.
• (See Pressure/temperature Limit Chart Below for Specific Ratings for Each Model)
APPLICATIONS
• Pressure Vessels and Pressure Piping Systems
• Pumps, Tanks and Hydraulic Systems
• Thermal Relief of Liquid Filled Vessels
• Chemical, Process and Other Industrial Plants
• Power Plant Auxiliary Systems
• Cryogenic and Industrial Gases
• Air and Gas Compressors and Dryers
• Vacuum Relief
FEATURES
• Wide Range of Materials and Options
• One Trim Design is Suitable for Steam, Air / Gas and Liquid Service
• High Capacity Full Nozzle Design
• Stainless Steel Springs
• Integral Lift Stop
• Self-Aligning Pivoting Disc
• Metal seats are lapped to optical flatness
• Tuned Blowdown - Short and Adjustable, Reduces Product Losses
• Backpressure Tight Design Minimizes Fugitive Emissions
• NSF/ANSI/CAN 61 Water Quality (540 Series)
• CSA B51 CRN OG8547.5C
• Proudly Made in USA
OPTIONS
• Screwed Cap Standard), Packed Lift Lever
• Test Gags
• Elastomer or PCTFE Soft Seat for Exceptional Seat Tightness
• High Temperature Alloy Springs for 550°F - 800°F Service
• Special Cleaning Available
• European Pressure Equipment Directive Compliant Option (CE/PED)

Don't see what you are looking for?
Not sure what you are looking for?
Give us a call or send us an email. We can help!
Category Apollo Relief Valves
Image Item Code
Options
 Full Description 1 + Qty.
Total {{ total }} products
show per page

Sections

Brand

Apollo Valves

Category

Apollo Relief Valves

SEARCH ×