Replaceable and interchangeable pressure and vacuum seat rings. Varec Series 221 Emergency Pressure Relief Manway covers. Close Warning. Safety foot pedal frees operator’s hands while gauging or sampling the tank. Close. Compare. Leadership; Environment, Social, Governance; Careers;. Locking mechanism (pin provided) raised above cover surface for easy access. Varec 4310 Series Sampling and Gauging Hatch Covers | Emerson US. Weather hood and screen provided for protection. Size: 91kb. Enardo™ Model 660 and 660-L Spring-Loaded Thief Hatch. Similar switches are also used in a Varec 2910 FTT and 2557 ALS tank gauge transmit. Replaceable and interchangeable pressure and vacuum seat rings. Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. Once open, the cover can remain open for ease of use. Measurement Instrumentation; Corrosion & Erosion Monitoring Density - ViscosityVAREC Safety Selector Valve DUAL PRESSURE RELIEF DEVICE SYSTEM The Safety Selector Valve is designed to function as a switchover device that permits servicing of pressure relief devices with no process interruption. Features • Screw down and free lift designs • Corrosion resistant Aluminium, cast iron, carbon steel, stainless steel • O Ring. Varec 42 Series Sampling and Gauging Hatch Covers. Features • Screw down and free lift designsVarec 4310 Series Sampling and Gauging Hatch Covers; Varec 4310 Series Sampling and Gauging Hatch Covers. Corrosion resistant 356 HT aluminum construction as standard. • choice of nBr, ptFe and. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling. The 400W Series Emergency Relief Manhole Cover is designed to provide emergency pressure venting and vacuum relief in storage tanks and vessels, while allowing easy access for tank inspection and maintenance. PDF. Padlockable to prevent unauthorized tank access. Close. Once open, the cover can remain open for ease of use. Varec recommends the use of a “stilling well” for a radar or servo tank gauging application. Zero product loss when combined with a vapor recovery system. Manuals & Guides Manuals: Sampling and Gauge Hatch Covers Series 42 IOM, Varec-EN. Products; Back. Lockdown device allows for a gas-tight seal up to 3 psig (20. Data Sheets & Bulletin: 4310 series sampling and gauging hatch covers, Varec, Tank Vents & Hatches (VCTDS-00311-EN) Author: Emerson Subject: Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling Keywords: Varec, Tank Protection, Tank Accessories, Gauge Hatches. 7 kPa]. VAREC LLI, 20 FT. 8mb. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. LinkedIn; Facebook; Instagram; Youtube; About Us; Brands; News; Blog; Videos; Careers; Line Card; Contact Us Customer Portal6000 Servo Tank Gauge Installation and Operations Manual. 7 kPa). Varec-EN PDF. Replaceable pressure and vacuum seat rings. These brackets can be welded or bolted to the tank and shouldthe hatch. Compare. Features. Data Sheets: 4310 series sampling and gauging hatch covers, Varec, Tank Vents & Hatches (VCTDS-00311-EN) Author: Emerson Subject: Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling Keywords: Varec, Tank-Vents-Hatches, Deadweight-Hatches Created Date: 7/13/2017 4:44:08 PM Corrosion resistant die cast 360 aluminium construction. Tank, Vacuum Valves, Emergency, Emergency Relief Vents, Pressure/Vacuum Relief Valves, Relief Valves, Spring-Loaded Hatches Resources. Our Company. Our Businesses. Bulk Storage & Transport Equipment. Varec 42 Series Sampling and Gauging Hatch Covers. • Cast metal cover provides added strength and extended life. Compare. Industries; Back. Position the roof connection installation into the tank interior within arms reach of a manhole or an inspection hatch. Service West: 1-800-912-9262 Service East:. PDFS. Ergonomically friendly handwheel with padlock. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. 9 kPa]. Browse Tank Vents and Hatches products. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. 95021 Gauge Hatch. Cover cannot separate from the base. Lecore Dip Hatches are supplied with “O” ring seats in nitrile rubber for easy maintenance. Varec gauge hatches are essential for accurate level measurement and monitoring in tanks or vessels. Replaceable and interchangeable pressure and vacuum seat rings. Features. Corrosion resistant 356 HT aluminum construction as standard. The cassette optimizes the performance of your gauge by reducing friction for smoother operation. Support Brackets "A" frame brackets support the conduit (pipework) that carries the tape. Series 5071A-5072A. Close. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. Rozwiązania w zakresie automatyki; Rozwiązania do budynków komercyjnych i mieszkalnych;Facebook; LinkedIn; Youtube; Emergency Support and Service 888-268-6437; Careers; Resources; News; Company Store Customer Portal; About Us; Solutions; IndustriesThe Varec Biogas 246 Series Drip Traps are designed for the manual collection and safe removal of condensate from gas. These brackets can be welded or bolted to the tank and should be placed at regular intervals (approx. Data Sheets: 5810B and 5820B Series Relief Valve with Flame Arrester, Varec, Tank Vents & Hatches (VCTDS-00192-EN) Author: Emerson Subject: These units combine the high flow capacity of a pressure and vacuum relief valve with an extensible bank flame arrester to provide maximum protection and reliable operation KeywordsLarge, easy to grab pull ring. It integrates other instruments, performs tank side calculations and shares data from the field to the control room. Carbon steel base construction available for welding to the tank roof. Varec™ tank protection products that provide vapor and fugitive emissions control in addition to fire and explosion protection through an integrated line of conservation and emergency vents, flame arresters, regulators, gauge hatches, manway covers, and floating suction units. Measurement InstrumentationThe Whessoe - Varec Vapour Control 5071A & 5072A dip hatches Read more about hatches, astm, whessoe, sizes, materials and ptfe. The VAREC 42 Series Hatch Covers are installed on tanks to provide access for gauging, temperature measurement or sampling. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. 7 kPa). Corrosion resistant 356 HT aluminum construction as standard. Page 20: Tank Roof Entry Via Manhole & Inspection Covers 2500 Automatic Tank Gauge Conduit Elbows Conduit elbows reduce friction and wear on the tape and provide various installation options, depending on the tank type. Close. 00 LBS. Varec 42 Series Sampling and Gauging Hatch Covers Features Resources Lockable covers designed to provide quick access to tanks for product gauging, temperature. Manuals & Guides Manuals: Pressure Relief Valves Series 2010B/2020B//3500B IOM, Varec-EN Features. Non-sparking design. 2500 Automatic Tank Gauge. Self-aligning cover closes automatically when the foot pedal is released. The 2500 Automatic Tank Gauge (ATG) is a mechanically operated, float & tape instrument designed to provide continuous liquid level measurement in bulk storage applications. The gas generated through this process is an energy source that can be collected and utilized, or safely burned. EN English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian. Data Sheets: 7000 series mushroom (free) vents, Varec-EN. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps Pressure Management Back. Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. ‘All-weather’ non-frosting and ice-resistant coating option available for valve seats and guides. Varec 4310 Series Sampling and Gauging Hatch Covers | Emerson CZ. Varec VAREC 6700 Liquid Level Indicator "GaugeBoard". Zero product loss when combined with a vapor recovery system. Oversized port for maximum flow. 7 kPa]. The 2500 Automatic Tank Gauge (ATG) is a mechanically operated, float & tape instrument designed to provide continuous liquid level measurement in bulk storage applications. Once open, the cover can remain open for ease of use. The Varec Dual Pressure/ Vacuum Relief Device is a combination of the Varec 5810B/ 5820B Series Relief Valve and Flame Arrester and the Safety Selector Valve. Vents directly to atmosphere. ESG Electric Actuation Anderson Greenwood Series 500 Pilot Operated Relief ValveLinkedIn; Facebook; Instagram; Youtube; About Us; Brands; News; Blog; Videos; Careers; Line Card; Contact Us Customer PortalVarec 42 Series Sampling and Gauging Hatch Covers | Emerson IN. Safety foot pedal allows fast, hands-free tank access for sampling and gauging. Designed to bolt directly to a standard 150# flat faced ANSI flange on the tank top. Vent to atmosphere or pipe-away models. The Dip hatch main function is to allow easy access to storage tanks while controlling vapor losses. Headquartered in Stafford, Texas, Varec Biogas is a leader. Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. The Whessoe - Varec Vapour Control 5071A & 5072A dip hatches are designed to provide tank access where manual level gauging, temperature measurement or sampling is required. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. 1993 Approved by Microsoft®. Project ServicesVarec 4310 Series Sampling and Gauging Hatch Covers | Emerson GB. Size: 541kb. Emerson. Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. This document provides detailed information on the features, specifications, dimensions, and options of the Enardo 850 valve, which is specially designed for marine vapor control. As Emerson’s Impact Partner in the Rocky Mountain. 877. Cover cannot separate from the base. This document provides detailed information on the features, specifications, dimensions, and options of the Enardo 850 valve, which is specially designed for marine vapor control systems and pipe-away applications. Close. Locking mechanism (pin provided) raised above cover surface for easy access. PDF. Easily lifted open to provide a large, unobstructed passage for easy tank access. Fisher 1190 Vapor Recovery Regulator. The stilling well is designed to provide a stable gauging platform that is able to offset hydrostatic tank deformation. Manual: Roof Manway Covers, Series 220 IOM, Varec, Tank Vents & Hatches (VCIOM-03107-EN) Author: Emerson Subject: Before installation these instructions must be read fully and understood Keywords: Varec, Tank-Vents-Hatches, Emergency-Relief-Vents Created Date: 5/22/2017 11:07:48 AM Cover cannot separate from the base. Weather hood and screen provided for protection. Weather hood and screen provided for protection. Tank Vents & Hatches. VAREC 1-1/2 THREAD PROTECTOR PLAS. Size: 91kb. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Without a secondary safety net like the 400W Series provides, tanks are susceptible to explosion or implosion as pressure. Manuals & Guides. Designed to offer flexibility of installation. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. Varec 42 Series Sampling and Gauging Hatch Covers. Flame & Detonation Arrestors. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. For ease of use, the lockdown device. Unlimited document download and read ad-free! No annoying ads and unlimited download of all publications. Non-sparking design. Locking mechanism (pin provided) raised above cover surface for easy access. Oversized flame arrester bank assembly for minimum pressure drop. T: 01744 815 211 WS21@mtpuk. Manuals: Pressure Relief Valves Series 7100B IOM, Varec-EN Features. Pressure/Vacuum Relief Valves (34) Emergency Relief Vents (6) Deadweight Hatches (4) Free Vents (3) Lock-Down Hatches (3) Spring-Loaded Hatches (1) Filter by Press enter to collapse or expand the menu. Its more the marking and capacities that I'm concerned about. • Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. Replaceable and interchangeable pressure and vacuum seat rings. Products; Back. gas-tight seal up to 3 psig [20. Oversized pressure and vacuum ports for maximized flow capacities. Varec 4310 Series Sampling and Gauging Hatch Covers Specs Product Type Lock-Down Hatches Resources. The Shand & Jurs 95021 Gauge Hatch is designed to provide easy access to storage tanks for gauging product level or temperature and product sampling. The Whessoe - Varec Vapour Control 5071A & 5072A dip hatches. Tank Vents and Hatches Flame and Detonation Arrestors Tank Protection Back. Corrosion resistant 356 HT aluminum construction as standard. Zero product loss when combined with a vapor recovery system. NFPA 820. Support Brackets "A" frame brackets support the conduit (pipework) that carries the tape. Compare Compare Compare Add more to compare Added. Gauge/ Dip Hatches. Featured Brands. Protective screens at pressure and vacuum ports prevent entrance of foreign matter. Size: 541kb Manuals & Guides Manuals: Sampling and Gauge Hatch Covers Series 42 IOM, Varec-EN Features Non-sparking design. Choice of NBR, PTFE and FKM seat inserts. Get help from our experts for sales prices for products of Varec - 4310 8" THIEF HATCH in Turkey. Features. Varec 4310 Series Sampling and Gauging Hatch Covers. Enardo™ Series 800-SO In-Line Pressure Vacuum Vent. Compare. Data Sheets: 5810B and 5820B Series Relief Valve with Flame Arrester, Varec-EN. 1990. 5834 Peachtree Corners East, Norcross (Atlanta), GA 30092 USA Tel: +1 (770) 447-9202 Fax: +1 (770) 662-8939 IOM003GVAE0809 4000 Tank Gauge Transmitter Advanced Technology Transmitter for transmission of level and temperature data from the tankside to inventory management systemsReplaceable ‘air cushion’ PTFE seating for lowest available leakage for weight-loaded valves (1 SCFH [0. Spun aluminum weather hood. Cover cannot separate from the base. The 2500 Automatic Tank Gauge (ATG) is a mechanically operated, float & tape instrument designed to provide continuous liquid level measurement in bulk storage applications. Close. Close. PDF. Automation Solutions; Commercial & Residential. The Hatch Covers are provided with a lockdown device that allows for a gas-tight seal up to 3 psig [20. Lockdown device allows for a gas-tight seal up to 3 psig (20. Size: 91kb. Varec 2500 Tank Gauge Repair Kits. Corrosion resistant 356 HT aluminum construction as standard. Cover cannot separate from the base. Tank Vents and Hatches; Emergency Relief Vents; Emergency Relief Vents Filter by Press enter to collapse or expand the menu. BackProtective screens at pressure and vacuum ports prevent entrance of foreign matter. 3660B valves for either pressure (top mounted) or vacuum (side mounted) relief applications. 3600B valves are side mounted. Large, easy to grab pull ring. Overview Specs Resources Features Lockable covers designed to provide quick access to tanks for product gauging, temperature measurement and sampling Varec 42 Series. installed on tanks to provide access for. Steam Traps, Valves and Level Gauges. Leadership; Environment, Social, Governance. VAREC - DCM CATALOGUE 6 PAGES . Varec 42 series sampling and gauging hatch covers Features • non-sparking design. Corrosion resistant die cast 360 aluminium construction. Large flow capacity allows use of smaller size. Hood is easily removed for inspection and maintenance. Non-sparking design. TANK, SEVERE SERVICE. Choice of NBR, PTFE and FKM seat inserts. About Lecore. The foam must be dispersed and collected in order to protect downstream equipment from corrosion or clogging. Compare. Padlockable to prevent unauthorized tank access. Varec-EN Features. Varec Series 7000 Mushroom (free) Vents Specs Product Type Vacuum Valves, Tank, Free Vents, Emergency Relief Vents, Breather, Accessories. Table 6. 1. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN. Vents directly to atmosphere. Corrosion resistant 356 HT aluminum. Back. Lock-Down Hatches Varec 42 Series Sampling and Gauging Hatch Covers Lockable covers designed to provide quick access to tanks for product gauging, temperature measurement and samplingOverview. Emerson Automation Solutions Americas T +1 800 558 5853 T +1 972 548 3574A D E C B 950 2 1 1 1 2 n 12 n 6 C 0 72 Enardo 950 High Performance PVRV Vent-to-Atmosphere Figure 2. Valve Controllers & Instruments; Digital Valve Controllers. So, its really a question as to whether I need new Stamped relief or. Cover cannot separate from the base. Varec 4310 Series Sampling and Gauging Hatch Covers. Non-sparking design. 7 kPa). d e c F, g, h Varec 42 series sampling and gauging hatch covers SpecificationS selection GuiDe example: 42 4 11 B a Model 42 sampling and gauging hatch - lock down cover size 4 4” 6 6” 8 8” 0 10” Materials Base cover 11 aluminum aluminum 31 carbon steel aluminum 66 stainless steel stainless steel insert material B nBr V FKm t pFFe. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling Read more. 7 days free trial!* Yes, continue No, thanksVarec 42 Series Sampling and Gauging Hatch Covers | Emerson US. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. 7 kPa). Choose Options. 1-23 of 48 results in Products. Close. If you are looking for a high-performance pressure vacuum relief valve that can handle very cold and sticky applications, you should check out the Enardo 850 data sheet. Other materials are available on request. Varec, a wholly owned subsidiary of Leidos, is a leading innovator in inventory management applications to automate bulk liquid management at tank farms, marketing terminals and fuel distribution points within the oil and gas, defense & aviation industries. Construction The standard VAREC 42 Series Hatch Covers are available in 356 HT aluminum construction. Corrosion resistant aluminum construction ensures durability and minimizes weight. Data Sheets: Safety Relief Valves Series 4210A Emergency Vent, Anderson Greenwood, Tank Vents & Hatches (VCTDS-02326-EN) Author: Emerson Subject: An emergency relief vent in a range of sizes and materials capable of handling pressure flows up to 188,000 cubic meters per hour Keywords: Anderson Greenwood, Tank-Vents-Hatches,. Vents directly to atmosphere. Varec Series 221 Emergency Pressure Relief Manway covers | Emerson FI. Available in 6” and 8” sizes. Once open, the cover can remain open for ease of use. Varec 4310 Series Sampling and Gauging Hatch Covers. Loosen handwheel until eyebolt can be disengaged from pedal arm. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. • 3500B valves are tank top mounted • 3600B valves are side mounted • 3650B valves with flanged intake and discharge connections for “in-line” applications. Facebook; Linked in; Youtube; 24/7 After Hours Support 1. Contact Varec Product Marketing for further information. Size: 91kb. May also be mounted on a flame arrester. Emerson. Available in Blue Viton, Black Viton, Buna as well as other materials upon request. Varec 42 Series Sampling and Gauging Hatch Covers Overview Lockable covers designed to provide quick access to tanks for product gauging, temperature measurement and. Varec, Inc. Set pressure controlled by a weighted lever for settings below 1" (25 mm) WC; combination weighted lever and spring for settings up to 20" (50 mm) WC. , doing business as Varec Biogas (“Varec Biogas”), a wholly-owned subsidiary of Westech Industrial Ltd. The 6600 LLI is one of the simplest measurement product on the market today. This service manual provides detailed instructions, diagrams and specifications for the 2500 ATG and its components. Description. All-weather coating option available for valve seats and guides. The VAREC 42 Series Hatch Covers are. Features. Large, easy to grab pull ring. Varec continues to provide tank gauging, inventory control systems, SCADA and other fuel management solutions for the oil & gas, aviation and defense industries. Safety foot pedal allows fast, hands-free tank access for sampling and gauging. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. Varec no longer supports discontinued products, although some documentation may be available for download. VAREC 221 SERIES EMERGENCY PRESSURE RELIEF MANWAY COVERS FEATURES • Available in emergency pressure only and emergency pressure and vacuum relief models. 2 X 36-in hatches – not large enough to fit personnel with OSHA pack. Zero product loss when combined with a vapor recovery system. 3660B valves for either pressure (top mounted) or vacuum (side mounted) relief applications. • Knowledgeable in API 6A and ABS CDS standards. Want to thank TFD for its existence?Varec 4310 Series Sampling and Gauging Hatch Covers | Emerson US. PDF. Emerson. Compare. 4 Varec, Inc. Maximum working pressure for the clamped cover. Controllers and Instruments. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. Corrosion resistant 356 HT aluminum construction as standard. Lockdown device allows for a gas-tight seal up to 3 psig (20. Choice of NBR, PTFE and FKM seat inserts. Varec Series 221 Emergency Pressure. Features. includes. Specs. Oversized port for maximum flow. Compare Compare Varec 4310 Series Sampling and Gauging Hatch Covers. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps Pressure Management Back. Varec is able to provide an alternative,Varec 4310 Series Sampling and Gauging Hatch Covers Specs Product Type Lock-Down Hatches Resources. Replaceable and interchangeable pressure and vacuum seat rings. Size: 258kb. Varec Series 221 Emergency Pressure Relief Manway covers. Warning! Direct injury to personnel or damage to equipment which can cause injury toFeatured Products. Measurement Instrumentation; Corrosion & Erosion Monitoring Density - ViscositySupplying industries which include Oil & Gas, Petrochemical, food, water and Biogas. This simple and reliable instrument has been used for managing inventory in the oil and gas industry for the past 90 years. NFPA 820. The 221 Series is designed to provide emergency venting of low pressure storage tanks and vesselsVAREC 221 SERIES EMERGENCY PRESSURE RELIEF MANWAY COVERS ORDERING INFORMATION - PRESSURE AND VACUUM. Access hatches and sludge sampling hatch are required accessories. 509. Varec, Inc. The pioneer in tank gauging since 1928, providing total visibility and management of your bulk liquid assets | Varec, a wholly owned. 7 kPa). 2 X 36-in hatches – not large enough to fit personnel with OSHA pack. Features. Side and center-guided pallet. The standard VAREC 42 Series Hatch Covers are available in 356 HT. Large, easy to grab pull ring. Replaceable and interchangeable pressure and vacuum seat rings. Lock-Down Hatches Resources. Close. 509. Close. Self-aligning cover closes automatically when the foot pedal is released. Large flow capacity allows use of smaller size. Overview. Features. Weather hood and screen provided for protection. Tank Vents and Hatches Flame and Detonation Arrestors Tank Protection Back. Compare Compare Enardo™ Model A Deadweight Thief Hatch. All-weather coating option available for valve seats and guides. Varec - Tank protection products. Manuals & Guides. Large, easy to grab pull ring. Compare. com = Home Page; About Us. Carbon steel base construction available for welding to the tank roof. Non-sparking design. 03 Nm3/hr] or less at 90% of setpoint) Pallet drip ring and self-draining housing protect the seating surface from condensate and freezing. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. Non-sparking design. 98. Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. Lockdown device allows for a gas-tight seal up to 3 psig (20. Positive sealing soft seat inserts in NBR as standard; PTFE and FKM optional. Enardo Model 2000 with Smart Wireless Technology. 7 kPa). Specs. Automation Solutions; Commercial & Residential Solutions; Our Company. Large flow capacity allows use of smaller size. Extensible flame arrester bank assembly. Cast metal cover provides added strength and extended life. Enardo™ Series 850 High-Performance Pipe-Away Pressure Vacuum Relief Valves. Oversized pressure and vacuum ports. Compare Compare Compare Add more to compare Added. The 7532 Radar Tank Gauge (RTG) has not been tested by Varec under all possible operational conditions, and Varec may not have all the data relative to your application. Varec’s servo tank gauging solution consists of the NMS80 PTG and NMS81 PTG that are able to measure level to +/- 0. The VAREC 42 Series Hatch Covers are installed on tanks to provide access for gauging, temperature measurement or sampling. Close. 1995 New Technologies. Oversized pressure and vacuum ports for maximized flow capacities. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. As we supply into the international market the. Stainless steel (in both sizes) and aluminum (in the NPS 8 (DN 200) size) bases available. The VAREC 42 Series Hatch Covers are installed on tanks to provide access for gauging, temperature measurement or sampling. For ease of use, the lockdown device includes an ergonomically friendly handwheel. Corrosion resistant 356 HT aluminum construction as standard. Features. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Page 48: General Preparation Plan the pipe routing. Size: 91kb. Varec 42 Series Sampling and Gauging Hatch Covers. Now celebrating our 50th anniversary, we have been supplying high quality measuring, flow management and analytical instruments to a variety of processing industries along the GulVAREC 220 Series ROOF MANWAY COVER The 220 Series is designed for use on tanks where quick and easy personnel access is desired. Features.