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A7500 Series and TA7500 Series

A7500 Series and TA7500 Series

A7500 Series and TA7500 Series

Product catalog summary
Application
These valves are designed for positive shut-off and long, maintenance-free service in liquid or vapor applications on bulk storage containers, transports, bobtails, cylinder filling plants, and plant piping. They are suitable for use with LP-Gas, anhydrous ammonia, and in the chemical and petrochemical industries.
Features
  • "V"-ring spring-loaded pressure stem seal for leak-proof operation without the need for packing adjustments.
  • Designs include a circular bridge in globe valves and a dropped seat in angle valves for improved flow and reduced pressure drop.
  • Swivel seat disc assembly prevents grinding on the body seat, ensuring good alignment and long seat life.
  • Downstream side of the valve body includes a ¼” F. NPT plugged boss for attaching a hydrostatic relief valve or vent valve.
  • Heavy-duty rolled ACME stem threads for quick action and long service life.
Materials
  • Body: Ductile Iron
  • Bonnet: Steel or Ductile Iron depending on model
  • Valve Stem: Stainless Steel
  • Wiper Ring: Synthetic Rubber
  • Seat Disc: Teflon or Buna N
  • "V"-Rings: Teflon
  • Handwheel: Ductile Iron
  • Spring: Stainless Steel
Ordering Information
Valves are available in various sizes with different inlet and outlet connections. Flow rates at 1 PSIG pressure drop are provided for propane, with adjustments for other pressures and NH3 flow.
Dimensions
Detailed dimensions for globe and angle valves, including flange dimensions, are provided for various models. Note that some valves use left-hand threads for bonnet assembly.
General Information
Globe and angle valves with synthetic rubber flange seals operate similarly to "V"-ring valves, ensuring leak-tight performance without periodic adjustments. They feature rugged ACME threads, swivel seats, and metal-to-metal back seats for easy maintenance.
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Catalog excerpts

A7500 Series and TA7500 Series-1

Application Specifically designed to ensure positive shut-off and long, maintenance free service life in liquid or vapor service on bulk storage containers, transports, bobtails, cylinder filling plants and plant piping. The high quality construction and wide variety of sizes make them highly suited for use with LP-Gas, anhydrous ammonia and in the chemical and petrochemical industries. Features • “V”-ring spring-loaded pressure stem seal provides for leak-proof operation. No packing to retighten or replace. • Circular bridge in the globe design and a dropped seat in the angle design achieve greater flow with less pressure drop. • Swivel seat disc assembly minimizes the seat disc from grinding on the body seat. The seat disc stops rotating as soon as it touches the body seat. This feature provides for good seat alignment and ensures long seat life. • V” F. NPT plugged boss on the downstream side of the valve body allows attachment of a hydrostatic relief valve or vent valve. • “V”-ring stem seal virtually eliminates hard to turn handles frequently encountered with packed type seals. • Heavy duty rolled ACME stem threads provide quick action and long service life. Part Number * * 300# ANSI R.F. Flange. * * * To obtain approximate flow at other than 1 PSIG pressure drop, multiply flow in chart by square root of pressure drop. Example: 7514FP @ 9 PSIG = 133 x 9 = 399 GPM/propane. For NH3 flow, multiple propane flow by .90.

 Open the catalog to page 1
A7500 Series and TA7500 Series-2

Globe and Angle Valve Dimensions Dimensions Flanges Valve Number (A or TA Prefix) Inlet & Outlet Port Diameter NOTE: Regarding 7505AP through 7510BP — the thread used for assembling the bonnet to the body of the valve is a left hand thread. We advise our customers to be cognizant of this assembly design in attempting to remove the bonnets of these valves in order to avoid serious damage to the valves. Flange Dimensions Valve Number (A or TA Prefix) ⅞” Bolt Holes on a 4½” Bolt Circle Diameter ¾” Bolt Holes on a 5” Bolt Circle Diameter ⅞” Bolt Holes on a 6⅝” Bolt Circle Diameter Flange Drilling

 Open the catalog to page 2
A7500 Series and TA7500 Series-3

General Information Globe and Angle Valves, incorporating the synthetic rubber flange seal design, operate on the same principle as the “V”-ring valves. Gas pressure in the valve is exerted against the synthetic rubber flange, forcing it tightly against the stem. Leak-tight performance is assured and periodic adjustment is not required. The synthetic rubber construction provides smooth operating performance with long service life. These valves all incorporate a plugged %” NPT side boss on the downstream side of the valve that can be equipped with a hydrostatic relief valve or vent valve. Please...

 Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.