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ACE95 and ACE95Sr Tank Blanketing Valves
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ACE95 and ACE95Sr Tank Blanketing Valves - 1

Types ACE95 and ACE95Sr Tank Blanketing Valves Figure 1. Type ACE95 Tank Blanketing Valve Figure 2. Type ACE95Sr Tank Blanketing Valve Features • Self-Contained • Fully Balanced Pilot Design Reduces Inlet Pressure Sensitivity • highly Sensitive • Frictionless Pilot Valve • Diagnostics Available • Bubble Tight Shutoff • Vacuum Settings Available • Pilot Controlled • Stainless Steel Construction Available • Angled or In-Line Body Option

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ACE95 and ACE95Sr Tank Blanketing Valves - 2

Bulletin 74.1:ACE95 Specifications The Specifications section lists the specifications for Types ACE95 and ACE95Sr tank Blanketing Valves. Factory specification is stamped on the nameplate fastened on the valve at the factory. Sizes and End Connection Styles Type ACE95 Angled Body(1): 3/4 NPT        1 NPT        NPS 1 / DN 25, CL150 RF        NPS 1 / DN 25, CL300 RF        NPS 1 / DN 25, PN 16/25/40 RF        NPS 1 / DN 25, Sanitary Flange In-Line Body: 3/4 NPT        1 NPT        NPS 1 / DN 25, CL150 RF        NPS 1 / DN 25, CL300 RF        NPS 1 / DN 25, PN 16/25/40 RF        NPS 1 x 2 /...

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ACE95 and ACE95Sr Tank Blanketing Valves - 3

  •  Control Pressure Gauge—Low-pressure gauge to measure control pressure (tank pressure). Tank blanketing is the process of using a gas, such as nitrogen, to maintain a slightly positive pressure in an enclosed storage tank. Tank blanketing prevents a stored product from vaporizing into the atmosphere, reduces product combustibility, and prevents oxidation or contamination of the product by reducing its exposure to air. Tank blanketing is utilized with various products, including: adhesives, pharmaceuticals, pesticides, fertilizers, fuels, inks, photographic chemicals, and food additives....

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ACE95 and ACE95Sr Tank Blanketing Valves - 4

Valve Closed Valve open Inlet pressure Tank pressure Atmospheric pressure Inlet bleed pressure Figure 3. Type ACE95 Operational Schematic

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ACE95 and ACE95Sr Tank Blanketing Valves - 5

Thermal Equations Tank blanketing valves are often installed in locations that are difficult to access. Types ACE95 and ACE95Sr valves are available with a diagnostics feature that allows analysis of valve operation in the field, making maintenance easier and more reliable. For tanks up to 840,000 gallons / 3179 m3 capacity, use one of the following equations: The diagnostics feature uses the relationship between pressure in the pilot and main valve chambers to analyze valve performance. Sizing Methods Direct Displacement The direct displacement method should be used with extreme caution....

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ACE95 and ACE95Sr Tank Blanketing Valves - 6

Bulletin 74.1:ACE95 Table 1. Flow Rate Conversion(1) Multiply maximum pump rate OUT: Barrels/hr Barrels/day SCFH SCFH   1. Gas flow of blanketing gas to replace liquid pumped out. Table 2. API 2000 Requirements for Thermal Venting Capacity for Tanks Larger than 840,000 gallons / 20,000 barrels, 3179 m3 Tank Capacity In Breathing (Vacuum), scfh air / Nm3/h

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ACE95 and ACE95Sr Tank Blanketing Valves - 7

Bulletin 74.1:ACE95 Table 3. Conversion Factors (for converting Nitrogen flow rates to other gas flow rates) BLANKET GAS SPECIFIC GRAVITY CORRECTION FACTOR Table 4. Type ACE95 Capacities CAPACITIES IN SCFH / Nm3/h OF NITROGEN INLET PRESSURE

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ACE95 and ACE95Sr Tank Blanketing Valves - 8

Bulletin 74.1:ACE95 Table 5. Type ACE95Sr Capacities CAPACITIES IN SCFH / Nm3/h OF NITROGEN INLET PRESSURE Table 6. Minimum and Maximum Differential Pressures Body sizes nps 3/4 and 1 Inlet pressure ranges bar Spring part number Spring free length Spring wire diameter

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ACE95 and ACE95Sr Tank Blanketing Valves - 9

14.80 / 376 INLET FILTER TYPE 252 In-line connection Angle connection Figure 4. Type ACE95 Dimensions

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ACE95 and ACE95Sr Tank Blanketing Valves - 10

Inlet filter Type 252 Figure 5. Type ACE95Sr Dimensions

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ACE95 and ACE95Sr Tank Blanketing Valves - 11

Bulletin 74.1:ACE95 Ordering Information Refer to the Specifications section on page 2. Carefully review each specification and construction feature, then complete the Ordering Guide on pages 11 and 12. Also, please complete the Specifications Worksheet at the bottom of the Ordering Guide on page 12. Ordering Guide Type (Select One)    ACE95   ACE95Sr   Body Size and Inlet Connection Style (Select One)   Type ACE95 (Angled Body)     NPT 3/4     1 NPT     NPS 1 / DN 25, CL150 RF     NPS 1 / DN 25, CL300 RF     NPS 1 / DN 25, PN 16/25/40 RF     NPS 1 / DN 25, Sanitary Flange   Type ACE95...

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ACE95 and ACE95Sr Tank Blanketing Valves - 12

Bulletin 74.1:ACE95 Single Array Manifold (Optional)     Yes, please add a SAM unit to my order. Please specify tank connection size and style [i.e. NPS 2 / DN 50, CL150 RF]. Not available for In-Line bodies. Parts Kit (Optional)     Yes, please send one parts kit to match this order. Specification Worksheet Application Specifications: Product in Tank Tank Size Pump In Rate Pump Out Rate Blanketing Gas (Type and Specific Gravity) Conservation Vent Setpoints:   Pressure Pressure Requirements (Please Designate Units): Maximum Inlet Pressure (P1max) Minimum Inlet Pressure (P1min) Control...

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