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The valve is available in 90-degree, 45-degree and straight outlet configurations, with either flanged or threaded outlet options.\u003c\/p\u003e\u003cp\u003eThe Betts Hydrolet is the industry standard with a reputation for performance and reliability, offering unmatched quality and backed by exceptional customer service.\u003c\/p\u003e\u003cp\u003eMaximum allowable working pressure (MAWP): 35 psi [2.4 bar].\u003c\/p\u003e\u003cp\u003eSelect the outlet configuration you need from the table below.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093745750211,"sku":"QR3SST","price":804.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/QR3SST.png?v=1790739769"},{"product_id":"4-stainless-tapered-seat-emergency-valve-external-air-90-degree-elbow-4-flanged-outlet","title":"4″ STAINLESS TAPERED SEAT EMERGENCY VALVE – EXTERNAL AIR – 90 DEGREE ELBOW, 4\" FLANGED OUTLET","description":"\u003cp\u003eAir Operated Stainless Trim Teflon Encapsulated Seals Betts Stainless Steel Emergency Valves are equipped with Teflon encapsulated O-ring seals which are compatible with a wide range of products. The tapered seat is self-cleaning to lessen the possibility of seat damage due to foreign objects. The stuffing box features two O-ring seals to provide positive sealing.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EV46227SSTS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet:\u003c\/strong\u003e 4\" Flanged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e A: 4.50\" B: 5.00\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Flange:\u003c\/strong\u003e B.C.: 7.25\" Holes: 8-9\/16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Flange:\u003c\/strong\u003e B.C.: 5.88\" Holes: 8-7\/16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 26.5 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093775372483,"sku":"EV46227SSTS","price":1167.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/EV46227SSTS.png?v=1790741705"},{"product_id":"manual-6-sliding-valve-6-threaded-pipe-x-ttma-flange-steel-body-with-316-stainless-stem-gates","title":"MANUAL 6″ SLIDING VALVE – 6″ THREADED PIPE X TTMA FLANGE (STEEL BODY WITH 316 STAINLESS STEM \u0026 GATES)","description":"\u003cp\u003eThe Betts sliding valve is an economical manually operated external stop valve that provides a quick open or close function. The 316 stainless discs offer premium corrosion resistance and the adjustable packing nut with woven PTFE infused packing allows for easy stem adjustments. The metal to metal seal has advantages for many applications, but is susceptible to wear and scratches.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SV916MSM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial of Construction:\u003c\/strong\u003e Steel Body with 316 Stainless Stem \u0026amp; Gates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Dims.:\u003c\/strong\u003e OD: 9.38\" [238 mm] BC: 8.13\" [206 mm] Holes: 12 - .44\" [12 - 11 mm] Thick.: .135\" [3.5 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e A: 11.69\" [297 mm] B: CLOSE 16.69 \" [424 mm] OPEN 31.56\" [802 mm] C: N\/A D: 5.13\" [130 mm] E: 4.03\" [102 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 30 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093776814275,"sku":"SV916MSM","price":652.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/SV916MSM.jpg?v=1790741915"},{"product_id":"inbreathing-vapor-rail-vent-4-ttma-flange-mount","title":"INBREATHING VAPOR RAIL VENT, 4\" TTMA FLANGE MOUNT","description":"\u003cp\u003eA supplemental vent designed for installation in tank vehicle vapor recovery system to provide venting protection in the event the vapor recovery system should be closed or blocked while discharging product from the tank. This vent mounts to a 4” TTMA flange. Easily installed Adds tank protection Thru area – six square inches Opening Pressure: 6 oz. per sq. in. Venting Capacity Air: 12,000 cu. ft. hr.\/1 psig\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PV26364ALB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e Vent Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\/Stainless with Buna-N Disc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e A: 3 3\/8 B: 5\/8 C: 4 13\/16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Flange:\u003c\/strong\u003e O.D.: 6 5\/8 B.C.: 5 7\/8 N.H.: 8 S.H.: 7\/16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Travel:\u003c\/strong\u003e 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093777666243,"sku":"PV26364ALB","price":146.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/PV26364ALB.jpg?v=1790742007"},{"product_id":"special-4-sump-gasket-for-internal-hydraulic-valve-ttma-ptfe","title":"SPECIAL 4″ SUMP GASKET FOR INTERNAL HYDRAULIC VALVE (TTMA), PTFE","description":"\u003cp\u003eThe Special 4″ Drain Sump Gasket is used with mounting the Internal Chemical Hydraulic Valve. The smaller internal diameter (ID) of the gasket fills the gap that would be there if a standard 4″ Sump Gasket is used. The special gasket mounts between the Internal Valve and the Shear Elbow. Bolt-hole pattern is in accordance with TTMA recommended practice.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e G27229TD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Description:\u003c\/strong\u003e Reduced Surface Area PTFE w\/ Inorganic Fillers (One piece solid gasket)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .063\" [1.6 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp. Range:\u003c\/strong\u003e -350 to 520°F (-212 to 271°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI.D.:\u003c\/strong\u003e 4.50\" [114 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO.D.:\u003c\/strong\u003e 8.25\" [209.6 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB.C.:\u003c\/strong\u003e 7.25\" [184.2 mm]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e# of Holes:\u003c\/strong\u003e 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Dia.:\u003c\/strong\u003e .56\" [14.2 mm]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093782220995,"sku":"G27229TD","price":54.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/G27229TD.png?v=1790742509"},{"product_id":"4-manually-operated-ttma-detent-wet-r-dri-butterfly-valve","title":"4″ MANUALLY OPERATED TTMA DETENT WET-R-DRI BUTTERFLY VALVE","description":"\u003cp\u003eThe Betts Wet-R-Dri Valve is a lightweight and compact quarter turn in-line stop valve. This easily maintained and versatile valve is widely used for liquid, gaseous or dry products and is available in a variety of sizes. The manual detent model provides a positive stop in the open and closed position as well as a detent spring and ball which assist in holding the disc in the open or closed position. The body is offered in aluminum, cast iron or stainless-lined with coatings available for increased chemical resistance and extended service life. The disc seal and shaft O-rings are available in a variety of materials to optimize chemical resistance and service temperature range. Bolt pattern matches TTMA piping flange dimensions.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785399491,"sku":"BETTS-WD401-SERIES","price":141.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-WD401-SERIES.jpg?v=1790742703"},{"product_id":"406-and-306-pressure-vacuum-normal-vent","title":"406 AND 306 PRESSURE\/VACUUM NORMAL VENT","description":"\u003cul\u003e\n\u003cli\u003eDual Purpose Vent\u003c\/li\u003e\n\u003cli\u003eRoll Over Protection\u003c\/li\u003e\n\u003cli\u003eCompact Design\u003c\/li\u003e\n\u003cli\u003eInterior Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Betts’ Normal Vent is the proven standard of the fuel transport industry. Normal Vents (breather vents) are utilized to normalize internal tank vacuum and pressure, which is critical to keep the cargo tank pressure within safe design limits. This vent incorporates a unique weighted roll-over block which increases the set pressure of the vent in a roll over situation but does not act as a shutoff device like other manufacturer’s designs. This feature differentiates the Betts’ design and allows the vent to maintain its primary function as a pressure\/vacuum relief device in all situations. The vent is flow tested and marked in accordance with DOT requirements.\u003c\/p\u003e\n\u003cp\u003eTwo standard vent styles are available; one for MC306 cargo tanks and the other for DOT406 cargo tanks. Model 6496, DOT406 style, has a pressure setting per 178.346-3(b)(2) of “not less than 1 PSIG” and a vacuum setting per 178.346-3(c)(2) of “no more than 6 ounces”.\u003c\/p\u003e\n\u003cp\u003eNOTE: While normal vents provide limited vapor venting during loading\/unloading, it is recommended that positive vapor valves (typically air operated) be provided when loading\/unloading with the manhole closed. If positive vapor valves are not used, insure normal vent is functioning properly or open manhole cover before beginning loading\/unloading. Failure to do so may result in head reversals or other tank failure.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785432259,"sku":"BETTS-PV-VENT-6238-6496","price":72.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-PV-VENT-6238-6496.jpg?v=1790742704"},{"product_id":"3-manually-operated-ttma-detent-wet-r-dri-butterfly-valve","title":"3″ MANUALLY OPERATED TTMA DETENT WET-R-DRI BUTTERFLY VALVE","description":"\u003cp\u003eThe Betts Wet-R-Dri Valve is a lightweight and compact quarter turn in-line stop valve. This easily maintained and versatile valve is widely used for liquid, gaseous or dry products and is available in a variety of sizes. The manual detent model provides a positive stop in the open and closed position as well as a detent spring and ball which assist in holding the disc in the open or closed position. The body is offered in aluminum, cast iron or stainless-lined with coatings available for increased chemical resistance and extended service life. The disc seal and shaft O-rings are available in a variety of materials to optimize chemical resistance and service temperature range. Bolt pattern matches TTMA piping flange dimensions.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785530563,"sku":"BETTS-WD301-SERIES","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-WD301-SERIES.png?v=1790742707"},{"product_id":"4x3-quick-clean-chemical-hydraulic-valve-steam-jacketed","title":"4X3 QUICK CLEAN CHEMICAL HYDRAULIC VALVE (STEAM JACKETED)","description":"\u003cp\u003eBetts Quick Clean Chemical Hydraulic Valve with steam jacket body is classified as an internal self-closing stop valve and is widely used on DOT407 and 412 cargo tanks. The key features of the Quick Clean are a rapid removal spring housing assembly, a self-contained hydraulic actuator, a smooth tapered seat and a steam jacket body with two ¾” NPT fittings which allows for the valve to be heated for use with temperature sensitive products. The 316-stainless body with an optional Hastelloy® overlay seat and replaceable Teflon™ encapsulated main seal make this a versatile and proven valve that satisfies the many requirements of the chemical transportation industry.\u003c\/p\u003e\n\u003cp\u003eA sacrificial shear section is standard with the Quick Clean Valve and meets the requirements of 49CFR §178.345-8 as tested and verified per TTMA RP84.\u003c\/p\u003e\n\u003cp\u003eValve must not be subjected to rapid thermal shock which can cause damage to the valve or steam jacket body. Heating or cooling should be gradual and controlled. Caution should also be used to ensure liquid does not freeze in steam jacket.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve MAWP:\u003c\/strong\u003e 50 psi [3.4 bar]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin. bursting pressure:\u003c\/strong\u003e 200 psi [13.8 bar]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking temperature range:\u003c\/strong\u003e -40°F to 400°F [-40°C to 204°C]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax. steam jacket pressure:\u003c\/strong\u003e 150 psi [10.3 bar]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic line pressure:\u003c\/strong\u003e Minimum 1200 psi [83 bar] Maximum 3,500 psi [241 bar]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHyd. volume to fully open valve: \u003c\/strong\u003e1.01 in3 [16.6 ml]\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFb-max per TTMA RP 86:\u003c\/strong\u003e 4X3 – 19,300 lbs [8,754 kg], 4X4 – 10,800 lbs [4,899 kg]\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785596099,"sku":"BETTS-CH46867-SERIES","price":2637.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-CH46867-SERIES.jpg?v=1790742709"},{"product_id":"weld-collar-and-gasket-clamp-ring-style","title":"WELD COLLAR AND GASKET (CLAMP RING STYLE)","description":"\u003cp\u003eManhole gaskets are common replacement items. Weld collars are often sold separately from the manhole. A clamp ring is used to hold the manhole cover to the collar with a gasket seal between. Material variations are aluminum, steel, 304 stainless steel and 316 stainless steel. The manholes are offered in various sizes including elliptical 12 x 16″ and round 16″, 20″ and 24″. Collars must be fixtured during welding to tank to ensure they remain flat and round.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785923779,"sku":"BETTS-WELD-COLLAR-3057","price":13.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-WELD-COLLAR-3057.png?v=1790742783"},{"product_id":"4-manually-operated-ttma-metering-locking-wet-r-dri-butterfly-valve","title":"4″ MANUALLY OPERATED TTMA METERING\/LOCKING WET-R-DRI BUTTERFLY VALVE","description":"\u003cp\u003eThe Betts Wet-R-Dri Valve is a lightweight and compact quarter turn in-line stop valve. This easily maintained and versatile valve is widely used for liquid, gaseous or dry products and is available in a variety of sizes. The manual metering\/locking valve provides an eight (8) position metering locking handle which holds the disc in desired position. The body is offered in aluminum, cast iron or stainless-lined with coatings available for increased chemical resistance and extended service life. The disc seal and shaft O-rings are available in a variety of materials to optimize chemical resistance and service temperature range. Bolt pattern matches TTMA piping flange dimensions.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093785956547,"sku":"BETTS-WD406-SERIES","price":155.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-WD406-SERIES.png?v=1790742784"},{"product_id":"model-816-paf-406-98-16-offset-manhole-with-emergency-drain-plug-dot-406-prd","title":"MODEL 816 PAF 406-98, 16″ OFFSET MANHOLE WITH EMERGENCY DRAIN PLUG, DOT 406 PRD","description":"\u003cp\u003eBetts PAF manhole with integral 406-98 Surge Suppression Pressure Relief Valve is the proven leader for cargo tank durability, protection and safety.\u003c\/p\u003e\n\u003cp\u003eThe 406-98 incorporates a 10” (254mm) reclosing pressure relief valve (PRV) that satisfies primary pressure relief for specification US DOT406 and TC406 cargo tanks. The PRV meets the dynamic pressure surge requirements of 49CFR§178.345-10(b)(3)(ii) with less than one-liter leakage as tested per TTMA RP No. 81. The PRV cover also serves as a quick-open inspection hatch that incorporates a secondary safety catch. PPVL models include a 6496 P\/V normal vent.\u003c\/p\u003e\n\u003cp\u003eThe offset 16” (406mm) clamp ring style manhole has provisions for mounting a vapor recovery valve and liquid level sensor. Manhole and clamp ring are certified and marked in accordance with 49CFR178.345-5 with a test pressure of 36 psig.\u003c\/p\u003e\n\u003cp\u003ePAF 406-98 is also available in a self-latch model by designating part number L842 in place of L816. On self-latch models, a stop bracket holds the PRV at a 91° position; if the cover is inadvertently left open, movement of the tank will cause PRV cover to drop and catch to a semi-closed position.\u003c\/p\u003e\n\u003cp\u003ePAF 406-98 PRV must not exceed a maximum temperature of 212°F (100°C). Stainless versions of the PRV are available using prefix “PPSS”. For replacement on MC306 cargo tanks, see Betts’ line of PAF306 surge manholes.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093786120387,"sku":"BETTS-PPVL816-SERIES","price":425.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-PPVL816-SERIES.jpg?v=1790742785"},{"product_id":"4-aluminum-internal-air-emergency-valve-3-air-cylinder-90-degree-elbow","title":"4″ ALUMINUM INTERNAL AIR EMERGENCY VALVE (3″ AIR CYLINDER) – 90 DEGREE ELBOW","description":"\u003cp\u003eBetts internal air emergency valve meets HM183 requirements for an internal self-closing stop valve. Body is constructed of aluminum and incorporates a shear section that satisfies 49CFR178.345-8 tested per TTMA RP 84. The 1\/8” NPT air inlet is designed to shear and close the valve in the event of an under-ride accident. A fusible plug is installed to dump air pressure if temperatures exceed 212°F. Valve uses Teflon® encapsulated seals for compatibility with a wide range of products. Other seal options are also available. Internal air cylinder saves space on exterior of valve providing maximum clearance for piping. Valve is equipped with stainless steel jackscrew that allows for manual operation in the event of an air system failure.\u003c\/p\u003e\n\u003cp\u003eThe Maximum Operating Pressure is defined as the maximum tank pressure that valve can open against w\/ given air line pressure. Maximum Operating Pressure is 18 psi with 80 psi line pressure and 25 psi with 100 psi line pressure. The Valve MAWP is 35 psi [2.4 bar] and the Minimum Bursting Pressure is 140 psi [9.7 bar].\u003c\/p\u003e\n\u003cp\u003eOptional screen 47074SL can be used in conjunction with all 4″ Internal Air Valves provided the tank is equipped with a sump with extended internal mounting sockets (SU27289AL or SU27289SS).\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093786185923,"sku":"BETTS-EV4691X-4IN-ELBOW","price":448.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-EV4691X-4IN-ELBOW.png?v=1790742787"},{"product_id":"model-820-paf-406-98-20-offset-manhole-dot-406-pressure-relief-device","title":"MODEL 820 PAF 406-98, 20″ OFFSET MANHOLE, DOT 406 PRESSURE RELIEF DEVICE","description":"\u003cp\u003eBetts PAF manhole with integral 406-98 Surge Suppression Pressure Relief Valve is the proven leader for cargo tank longevity, protection and safety.\u003c\/p\u003e\n\u003cp\u003eThe 406-98 incorporates a 10” (254mm) reclosing pressure relief valve (PRV) that satisfies primary pressure relief for specification US DOT406 and TC406 cargo tanks. The PRV meets the dynamic pressure surge requirements of 49CFR§178.345-10(b)(3)(ii) with less than one-liter leakage as tested per TTMA RP No. 81. The PRV cover also serves as a quick-open inspection hatch that incorporates a secondary safety catch. PPVL models include a 6496 P\/V normal vent.\u003c\/p\u003e\n\u003cp\u003eThe offset 20” (508 mm) clamp ring style manhole has provisions for mounting a bolted style vapor recovery valve and liquid level sensor. Manhole and clamp ring are certified and marked in accordance with 49CFR178.345-5 with a test pressure of 36 psig.\u003c\/p\u003e\n\u003cp\u003ePAF 406-98 is also available in a self-latch model by designating part number L863 in place of L820. On self-latch models, a stop bracket holds the PRV at a 91° position; if the cover is inadvertently left open, movement of the tank will cause PRV cover to drop and catch to a semi-closed position.\u003c\/p\u003e\n\u003cp\u003ePAF 406-98 PRV must not exceed a maximum temperature of 212°F (100°C). Stainless versions of the PRV are available using prefix “PPSS”. For replacement on MC306 cargo tanks, see Betts’ line of PAF306 surge manholes.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093786415299,"sku":"BETTS-PPVL820-SERIES","price":462.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-PPVL820-SERIES.jpg?v=1790742860"},{"product_id":"3-5-aluminum-pneumatic-vapor-valve-threaded-mount","title":"3.5″ ALUMINUM PNEUMATIC VAPOR VALVE THREADED MOUNT","description":"\u003cp\u003eThe aluminum 3.5” (89mm) pneumatically actuated interlock vapor valve is designed as a vapor transfer valve for use on DOT cargo tanks and can be used to facilitate vapor recovery. The valve is tested and certified to EN13082:2008+A1:2012 with markings per US DOT 49CFR§178.345-5(f). The sequential interlock design allows the vapor valve to be plumbed in series with the outlet valve at the bottom of the tank, to ensure the vapor valve opens before the outlet valve. If desired, a wink or gauge can be plumbed to the air supply out port to provide a visual valve-open signal. If an interlock feature is not required, the outlet port can be plugged, and the valve will function as a basic non-interlock vapor valve.\u003c\/p\u003e\n\u003cp\u003eThe vapor valve features exceptional flow with an inward opening disk and a tapered seat to ensure a tight seal and prevent loss of lading due to surge or roll-over incidents. The aluminum body with FEP Teflon® encapsulated main seal, Fluorosilicone (FVMQ) air cylinder seals, and stainless trim, offers compatibility with a wide variety of products.\u003c\/p\u003e\n\u003cp\u003eThreaded mounting configuration installs in a 3.84” (98 mm) hole as provided by standard 16” offset manhole and is secured with a threaded mounting ring and set screws. Air connections are 1\/8” NPT.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve MAWP:\u003c\/strong\u003e 15 psig [1.0 bar].\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShell Strength Test:\u003c\/strong\u003e 73 psig (5.0 bar).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Operating Pressure: \u003c\/strong\u003e15 psi [1.0 bar] with 90 psi [6.2 bar] line pressure supplied.\u003c\/p\u003e\n\u003cp\u003eThe maximum operating pressure is defined as the maximum tank pressure that valve can open against with specified airline supply pressure. If a higher maximum operating pressure is needed, see model styles AVTC3.5 and AVFC3.5 Vapor Valves.\u003c\/p\u003e","brand":"Betts","offers":[{"title":"Default Title","offer_id":54093786480835,"sku":"BETTS-AVT3.5-SERIES","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1799\/0593\/files\/BETTS-AVT3.5-SERIES.png?v=1790742862"}],"url":"https:\/\/www.apsaviation.com\/collections\/betts-parts-components.oembed?page=4","provider":"APS Aviation","version":"1.0","type":"link"}