SPRING LOADED VENTS. Set Points of 3 PSIG and Above PROTECTOSEAL

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SPRING LOADED VENTS Set Points of 3 PSIG and Above PROTECTOSEAL SERIES STYLE 9540 End-of-Line Pressure/Vacuum Breather Vent 19540 Pipe-Away Pressure/Vacuum Breather Vent 9240 End-of-Line Vacuum Relief Vent 19240 Side Mount Vacuum Relief Vent 9800 End-of-Line Pressure Relief Vent 19800 Pipe-Away Pressure Relief Vent OBJECTIVE Protectoseal s provide pressure and vacuum relief so that a tank s vapor space can be maintained within safe operating parameters. Different versions of these vents allow for spring loaded pressure settings, spring loaded vacuum settings or combinations of spring loaded pressure/ weight loaded vacuum or weight loaded pressure/spring loaded vacuum settings. Spring loading allows for higher pressure or vacuum settings than are available with conventional weight loading techniques. Spring loaded vents are intended for use on tanks and vessels that have higher pressure or vacuum design ratings when compared to atmospheric storage vessels. The vents are normally closed to minimize loss of product and open only to allow required pressure/vacuum relief. TECHNIQUE Even tanks with high design ratings require protection from excessive pressure/vacuum accumulation in their vapor spaces. With the set pressures allowed by a spring loaded design, the vents can remain closed at higher pressures and are allowed to open only when the tank structure may be in jeopardy. Vapors can then be relieved, or make up air can be drawn into the tank, to maintain the tank within its design parameters. Product loss is minimized. The ability to operate tanks at elevated pressure/vacuum is provided. This becomes more important as tank storage systems continue their transition from stand alone structures to manifolded, multi-tank operations equipped with vapor recovery devices, flares, inert gas blanketing systems, etc. Protectoseal offers a full range of spring loaded vent designs. Vents suitable for relieving vapors to the atmosphere are available. Vents with flanged connections on their outlets are also available so that relieved vapors may be directed to connecting piping for disposal or further processing. SPECIAL FEATURES Easy Inspection and Maintenance. The spring packages are readily removable from the cast housings to facilitate inspection and maintenance. For the 9800 Series Pressure Vent the entire vent can be removed from the system. Replacement spring packages or vents can be easily installed in the systems so that disruption of plant operations can be minimized. The pressure /vacuum vents may be provided with any combination of spring loading on the pressure, vacuum or both pressure and vacuum sides. Conventional weight loading techniques are used when spring loading is not required. For most series and designs spring loaded vents are available for setting of 3 PSIG and above. Maximum set points of 15 PSIG can be provided (12.5 PSIG for 12" size vents). Wide Range of Set Points. The spring loaded vents can be set at 3 PSIG or higher. Maximum set points of 15 PSIG (12.5 PSIG for 12" vents) can be provided. Minimum set points on the weight loaded side of any spring loaded vent is 2 oz./in. Standard Viton seating material. Other materials may be furnished upon request. Numerous Sizes Available. Available in 2" (DN50) thru 12" (DN300) Sizes. Aluminum flanged to mate with 125# ANSI and DIN PN 16 flat face flanges. All other materials mate with 150# ANSI and DIN 16 raised face flanges. Other drilling patterns available upon special request. PRO-FLOW III Sizing and Selection Software. Use PRO-FLOW III to select the correct size for pressure and vacuum relief calculated in accordance with API 2000, ISO 28300, NFPA 30 and OSHA 1910.106. Quality Assurance. Each vent is Factory tested for casting integrity, correct setting and leakage to meet Protectoseal s high standards prior to shipment. CONSTRUCTION The vents are available in a wide range of materials to meet process requirements. Aluminum, Ductile Iron, 316 Stainless Steel, Cast Steel and C/C76 housings can be provided. Consult factory for other special alloys. The standard spring packages are 316 Stainless Steel with Stainless Steel springs. Refer to material specifications in the How to Order Protectoseal Spring Loaded Vents on Page 5. Available Options Alternate diaphragm materials Material certifications for castings Lower than standard minimum pressure and/or vacuum settings Steam jacketing available Manual or electronic indication of vent opening FEP coating Kynar coating (Kynar is a Registered Trademark of Arkema, Inc.) Special cleaning & packaging for the storage of ultrapure liquids

Specifications Series 9540 - End-of-Line Pressure/Vacuum Breather Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Ht. Width Length B.C. Dia. Dia. Holes Cat. No.* K A B C D G E N 9542P/V 12" 10 1 /2 18 1 /2" 15" 14 3 /4" 16" 1 3 /4" 14 9543P/V 13" 11 1 /2" 19" 15" 16" 17 1 /2" 1 3 /4" 14 9544P/V 14" 14" 13" 20 1 /4" 17 1 /2" 19" 1 3 /4" 18 9546P/V 16" 19 1 4" 17" 26 1 /2" 19 1 /2" 11" 1 7 /8" 18 9548P/V 18" 26 3 /4" 17 1 2" 30 1 /4" 11 3 /4" 13 1 /2" 1 7 /8" 18 9550P/V 10" 30 1 /4" 22 1 2" 36 3 /4" 14 1 /4" 16" 1" 12 9552P/V 12" 34 5 /8" 25" 38 1 /2" 17" 19" 1" 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Series 19540 - Pipe-Away Pressure/Vacuum Breather Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Size Ht. Width Length B.C. B.C. Dia. Dia. Dia. Dia. Holes Holes Cat. No.* K 1 x K 2 A B C F H D1 D2 G1 G2 E1 E2 N1 N2 19542P/V2 12" x 2" 16" 19 7 /8" 16" 17 1 /8" 15 3 8" 14 3 /4" 14 3 /4" 16" 16" 1 3 /4" 3 /4" 14 14 19542P/V3 12" x 3" 13 1 /2" 19 1 /4" 16" 17" 15 1 2" 14 3 /4" 16" 16" 17 1 /2" 1 3 /4" 3 /4" 14 14 19543P/V3 13" x 3" 15" 19 5 /8" 16" 17 1 /4" 15 9 16" 16" 16" 17 1 /2" 17 1 /2" 1 3 /4" 3 /4" 14 14 19543P/V4 13" x 4" 14" 19 5 /8" 16 1 /8" 18" 15 5 8" 16" 17 1 /2" 17 1 /2" 19" 1 3 /4" 3 /4" 14 18 19544P/V4 14" x 4" 19 3 /4" 10" 20 1 /2" 19 1 /8" 16 1 /2" 17 1 /2" 17 1 /2" 19" 19" 1 3 /4" 3 /4" 18 18 19544P/V6 14" x 6" 18" 11" 20 1 /2" 19 5 /8" 16 1 /2" 17 1 /2" 19 1 /2" 19" 11" 1 3 /4" 7 /8" 18 18 19546P/V6 16" x 6" 22 1 /4" 13" 25 3 /4" 12" 18 3 /8" 19 1 /2" 19 1 /2" 11" 11" 1 7 /8" 7 /8" 18 18 19546P/V8 16" x 8" 22 1 /2" 13 1 2" 26 1 /2" 13" 18 1 /2" 19 1 /2" 11 3 /4" 11" 13 1 /2" 1 7 /8" 7 /8" 18 18 19548P/V10 18" x 10" 26 1 2" 16" 32" 11 3 /4" 10 1 2" 11 3 /4" 14 1 /4" 13 1 /2" 16" 1 7 /8" 1" 18 12 19550P/V12 10" x 12" 25 3 8" 19" 37 5 /8" 15 1 /4" 12" 14 1 /4" 17" 16" 19" 1" 1" 12 12 19552P/V14 12" x 14" 28 1 4" 21" 39 3 4" 16 1 /2" 12" 17" 18 3 /4" 19" 21" 1" 1 1 /8" 12 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Page 2

Specifications Series 9240 - End-of-Line Vacuum Relief Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Ht. Width Length B.C. Dia. Dia. Holes Cat. No.* K A B C D G E N 9242V 12" 19 3 /4" 19 7 /8" 13 7 /8" 14 3 /4" 16" 1 3 /4" 14 9243V 13" 17 1 /8" 19 5 /8" 14 1 /4" 16" 17 1 /2" 1 3 /4" 14 9244V 14" 12 1 /4" 10" 18 1 /2" 17 1 /2" 19" 1 3 /4" 18 9246V 16" 14 1 /4" 12 7 8" 23 1 /2" 19 1 /2" 11" 1 7 /8" 18 9248V 18" 21" 15 3 4" 28" 11 3 /4" 13 1 /2" 1 7 /8" 18 9250V 10" 23 3 /4" 18 1 2" 33 5 8" 14 1 /4" 16" 1" 12 9252V 12" 27 3 /4" 21 1 /2" 35 1 /2" 17" 19" 1" 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Series 19240 - Side Mount Vacuum Relief Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Valve Ht. Width Length Width B.C. Dia. Dia. Holes Cat. No.* K 2 K 1 A B C H D G E N 19240V2 12" 12" 19 3 /4" 19 3 /4" 18 7 /8" 15 1 4" 14 3 /4" 16" 1 3 /4" 14 19240V3 13" 13" 10 1 /2" 19 5 /8" 19" 15 1 2" 16 17 1 /2" 1 3 /4" 14 19240V4 14" 14" 10 1 /4" 10" 12" 16 3 /8" 17 1 /2" 19" 1 3 /4" 18 19240V6 16" 16" 15 3 /4" 13" 15 1 /4" 18 3 /8" 19 1 /2" 11" 1 7 /8" 18 19246V8 18" 16" 16 1 /4" 13" 15 1 /2" 18 1 /2" 11 3 /4" 13 1 /2" 1 7 /8" 18 19248V10 10" 18" 17 1 /4" 15 3 /4" 19 1 /4" 10 1 2" 14 1 /4" 16" 1" 12 19250V12 12" 10" 19 3 /4" 18 3 /4" 21 3 /4" 12" 17" 19" 1" 12 19252V14 14" 12" 22 1 4" 21" 21" 12" 18 3 4" 21" 1 1 8" 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Page 3

Specifications Series 9800 - End-of-Line Pressure Relief Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Ht. Width B.C. Dia. Dia. Holes Cat. No.* K A B D G E N 9802P 12" 15 1 /2" 18 1 /2" 14 3 /4" 16" 1 3 /4" 14 Studs 9803P 13" 16 1 /2" 19" 16" 17 1 /2" 1 3 /4" 14 9804P 14" 18 1 /2" 12 7 /8" 17 1 /2" 19" 1 3 /4" 18 9806P 16" 10 1 /4" 16" 19 1 /2" 11" 1 7 /8" 18 9808P 18" 18 1 /4" 18 3 /4" 11 3 /4" 13 1 /2" 1 7 /8" 18 9810P 10" 21" 21 3 /4" 14 1 /4" 16" 1" 12 9812P 12" 23 1 /2" 25" 17" 19" 1" 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Series 19800 - Pipe-Away Pressure Relief Vent (Dimensions shown are for reference only, contact factory for certified drawings.) Flange Size Ht. Width Length B.C. B.C. Dia. Dia. Dia. Dia. Holes Holes Cat. No.* K 1 x K 2 A B C F H D1 D2 G1 G2 E1 E2 N1 N2 19802P2 12" x 2" 13 1 /4" 19 3 /4" 18 5 /8" 13 7 /8" 15 1 2" 14 3 /4" 14 3 /4" 16" 16" 1 3 /4" 1 3 /4" 14 14 19802P3 12" x 3" 11" 19 3 /4" 19 1 /4" 14 3 /8" 15 1 2" 14 3 /4" 16" 16" 17 1 /2" 1 3 /4" 1 3 /4" 14 14 19803P3 13" x 3" 12" 19 5 /8" 19" 14 1 /4" 15 1 2" 16" 16" 17 1 /2" 17 1 /2" 1 3 /4" 1 3 /4" 14 14 19803P4 13" x14" 10 1 /2" 19 5 /8" 19" 15 1 /4" 15 5 8" 16" 17 1 /2" 17 1 /2" 19" 1 3 /4" 1 3 /4" 14 18 19804P4 14" x14" 16 5 /8" 19" 12 1 /8" 16 1 /16" 16 7 /16" 17 1 /2" 17 1 /2" 19" 19" 1 3 /4" 1 3 /4" 18 18 19804P6 14" x16" 15" 11" 12 1 /4" 16 3 /8" 16 1 /2" 17 1 /2" 19 1 /2" 19" 11" 1 3 /4" 1 7 /8" 18 18 19806P6 16" x16" 18 5 /8" 11" 15 1 /2" 17 3 /4" 18 3 /8" 19 1 /2" 19 1 /2" 11" 11" 1 7 /8" 1 7 /8" 18 18 19806P8 16" x18" 18" 13 1 2" 15 1 /2" 18 1 /2" 18 1 /2" 19 1 /2" 11 3 /4" 11" 13 1 /2" 1 7 /8" 1 7 /8" 18 18 19808P10 18" x 10" 27 1 2" 16" 18 3 /4" 10 1 /2" 10 1 2" 11 3 /4" 14 1 /4" 13 1 /2" 16" 1 7 /8" 1" 18 12 19810P10 10" x 12" 29 7 /8" 19" 21 3 /4" 11" 12" 14 1 /4" 17" 16" 19" 1" 1" 12 12 19812P14 12" x 14" 23 3 /4" 21" 21" 12" 12" 17" 18 3 /4" 19" 21" 1" 1 1 /8" 12 12 *Note Cat. No. specifies Aluminum construction. Refer to How to Order Protectoseal on Page 5 for more options. Page 4

How to Order Pressure & Vacuum Prefix Body, Cover and/or Weatherhood Material Series Part Number Spring Loaded Pressure Side Spring Loaded Vacuum Side Pressure Only Vacuum Only Configuration Aluminum Ductile Iron Steel Stainless Steel C/C276 9540P Yes No - - End-of-Line No Prefix C CS F M 9540V No Yes - - End-of-Line No Prefix C CS F M 9540PV Yes Yes - - End-of-Line No Prefix C CS F M 19540P Yes No - - Pipe-Away No Prefix C CS F M 19540V No Yes - - Pipe-Away No Prefix C CS F M 19540PV Yes Yes - - Pipe-Away No Prefix C CS F M 9420V - - - Yes End-of-Line No Prefix C CS F M 19240V - - - Yes Side Mount No Prefix C CS F M 9800P - - Yes - End-of-Line N/A N/A C F M 19800P - - Yes - Pipe-Away No Prefix C CS F M MATERIAL SPECIFICATIONS 1. Select the basic vent or vent configuration required: 9540 Series, 9800 Series, etc. - Refer to chart above. 2. Add correct prefix letter as shown below: No Prefix Model Number - Cast Aluminum (ASTM B26- Grade 356) Bodies and Covers; 316 S.S. Spring Package Components; Stainless Steel Setting Springs (302, 17-7PH); Viton Diaphragms; Aluminum Weight Loaded Pallet Assembly; Steel or Lead Setting Weights (if required). C Prefix Model Number - Cast Ductile Iron (ASTM A536-Grade 65-45-12) Bodies and Covers; 316 S.S. Spring Package Components; Stainless Steel Setting Springs (302, 17-7PH); Viton Diaphragms; 316 S.S. Weight Loaded Pallet Assembly; Epoxied 316 S.S. Seat on Weight Loaded Side; Steel or Lead Setting Weights (if required). CS Prefix Model Number - Cast Steel (ASTM A216- Grade WCB) Bodies and Covers; 316 S.S. Spring Package Components; Stainless Steel Setting Springs (302, 17-7PH); Viton Diaphragms; 316 S.S. Weight Loaded Pallet Assembly; Epoxied 316 S.S. Seat on Weight Loaded Side; Steel or Lead Setting Weights (if required). F Prefix Model Number - Cast Stainless Steel (ASTM A743-Grade CF8M) Bodies and Covers; 316 S.S. Spring Package Components; Stainless Steel Setting Springs (302, 17-7PH); Viton Diaphragms; 316 S.S. Weight Loaded Pallet Assembly; Epoxied 316 S.S. Seat on Weight Loaded Side; Steel or Lead Setting Weights (if required). M Prefix Model Number - Cast Alloy C (ASTM A494- Grade CW12MW) Bodies and Covers; C276 Spring Package Components; C276 Springs; Viton Diaphragms; C276 Weight Loaded Pallet Assembly; C276 or Lead Setting Weights (if required). Note: Maximum setting available with C276 springs are controlled by availability of C276 spring material. Consult Factory for availability. 3. Add suffix letter: (Refer to chart above.) P for spring loaded pressure side V for spring loaded vacuum side PV if both sides require spring loading 4. Determine pressure and/or vacuum settings desired. 5. Determine required vent size based on flow capacity - Refer to Pro Flow Sizing Software. 6. Specify and describe special materials (monel, C276, plastic coated, etc.) and other special requirements. Examples: Model No. F19543_4 - Cast Stainless Steel Pipe-Away Pressure / Vacuum Breather Vent with pressure set at 5 PSIG and vacuum set at 3 PSIG = F19543PV4 Model No. 9546_ - Cast Aluminum End-of-Line Pressure / Vacuum Breather Vent with pressure set at 5 PSIG and vacuum set at 2 oz. = 9546P Model No. C9244_ - Cast Ductile Iron End-of-Line Vacuum Relief Vent with vacuum set at 3 PSIG = 9244V Page 5

Standard Pressure & Vacuum Settings SPRING LOADED SET POINT RANGES FOR ALL SERIES NUMBERS MINIMUM (PSIG) MAXIMUM (PSIG) Inlet Flange Pressure or Vacuum Pressure or Vacuum Size All Materials All Materials 12"/DN50 3.00 15.00 13"/DN80 3.00 15.00 14"/DN100 3.00 15.00 16"/DN150 3.00 15.00 18"/DN200 3.00 15.00 10"/DN250 3.00 15.00 12"/DN300 3.00 12.50 WEIGHT LOADED SET POINT RANGES (PRESSURE OR VACUUM) Consult factory for settings outside of STANDARD RANGE. MINIMUM (oz. / in. 2 ) MAXIMUM (oz. / in. 2 ) Flange Pressure Vacuum Pressure Vacuum Series Size All Materials All Materials Aluminum Other Materials Aluminum Other Materials Series No. 9540 - End-of-Line Pressure/Vacuum Breather Vent 9542P/V 12"/DN50 2.00 2.00 44.00 48.00 17.50 11.00 9543P/V 1 3"/DN80 2.00 2.00 45.00 48.00 19.50 11.00 9544P/V 14"/DN100 2.00 2.00 43.00 48.00 15.00 17.40 9546P/V 16"/DN150 2.00 2.00 44.00 48.00 16.00 18.00 9548P/V 18"/DN200 2.00 2.00 48.00 48.00 16.00 18.00 9550P/V 10"/DN250 2.00 2.00 48.00 48.00 16.00 19.00 9552P/V 12"/DN300 2.00 2.00 48.00 48.00 21.00 23.00 Series No. 19540 - Pipe-Away Pressure/Vacuum Breather Vent 19542P/V2 12"/DN50 x 2"/DN50 2.00 2.00 41.00 46.00 17.50 11.00 19542P/V3 12"/DN50 x 3"/DN80 2.00 2.00 13.00 18.00 17.50 11.00 19543P/V3 13"/DN80 x 3"/DN80 2.00 2.00 32.00 36.00 19.00 11.00 19543P/V4 13"/DN80 x 4"/DN100 2.00 2.00 19.00 23.00 19.00 11.00 19544P/V4 14"/DN100 x 4"/DN100 2.00 2.00 42.00 47.00 15.00 17.40 19544P/V6 14"/DN100 x 6"/DN150 2.00 2.00 28.00 32.00 15.00 17.40 19546P/V6 16"/DN150 x 6"/DN150 2.00 2.00 28.00 32.00 16.00 18.00 19546P/V8 16"/DN150 x 8"/DN200 2.00 2.00 28.00 32.00 16.00 18.00 19548P/V10 18"/DN200 x 10"/DN250 2.00 2.00 23.00 28.00 16.00 18.00 19550P/V12 10"/DN250 x 12"/DN300 2.00 2.00 23.00 28.00 16.00 19.00 19552P/V14 12"DN300 x 14"/DN 350 2.00 2.00 19.00 23.00 21.00 23.00 PROTECTOSEAL Safety Without Compromise 225 Foster Ave., Bensenville, IL 60106-1690 P 630.595.0800 F 630.595.8059 info@protectoseal.com Page 6 2012 The Protectoseal Company V-SPRING/2

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