4820-01-428-1788
Find complete technical information, availability, and procurement data for: 4820-01-428-1788
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A multi-ported, nonlubricated valve designed to provide straight through flow or ability to direct a number of flows or pressure through a single valve. The flow is controlled by the rotation of a ported ball within a suitable ported seat(s). The ball is usually engaged by a stem. It is normally operated in an open or closed position. Excludes:valve, check.
round with holes all ends flange shape, air valve operation method, threaded renewable seat ring type, 8 all ends bolt hole quantity, flange all ends connection type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Renewable Seat Ring Type
- threaded
- Bolt Hole Quantity
- 8 all ends
- Valve Operation Method
- air
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Mounting Facility
- bracket
- Valve Size
- 4.000 inches
- Adjustable Pressure Range
- +16.0 to 96.0 pounds per square inch
- Maximum Operating Pressure
- 96.0 pounds per square inch single response
- Nominal Outside Diameter
- 7.687 inches all ends
- Face To Face Distance
- 14.000 inches
- Nominal Thickness
- 1.000 inches all ends
- Bolt Hole Nominal Diameter
- 0.687 inches all ends
- Bolt Circle Nominal Diameter
- 6.562 inches all ends
- Flange Face Design
- plain all ends
- Special Features
- actuated by r-114 refrigerant pressure thru diaphragm pilot actuator
- Material
- bronze body
- Material
- nickel alloy flow control device
- Material
- nickel alloy seat
- Material
- nickel alloy stem
- Material
- rubber butadiene-acrylonitrile class nbr packing
- Material Document And Classification
- mil-b-16541 mil spec single material response body
- Material Document And Classification
- qq-n-281 fed spec single material response flow control device
- Material Document And Classification
- qq-n-281 fed spec single material response seat
- Material Document And Classification
- qq-n-281 fed spec single material response stem
- Media For Which Designed
- water, fresh 1st response
- Media For Which Designed
- water, salt 2nd response
- Style Designator
- straight thru flanged ends note:to be used for valve bodies of one section only.
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| MM-3130B-TC-11M-S | Safety Relief Valve |
| MM3130B1TC11M | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-428-1788?
Does the NSN 4820-01-428-1788 have a Schedule B code assigned?
Does NSN 4820-01-428-1788 require demilitarization?
Does NSN 4820-01-428-1788 contain precious materials?
Does NSN 4820-01-428-1788 contain hazardous materials?
When the NSN 4820-01-428-1788 was assigned to the Federal Catalog?
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