Varec hatches. Close. Varec hatches

 
 CloseVarec hatches  For ease of use, the lockdown device includes an ergonomically friendly handwheel

Hood is easily removed for inspection and maintenance. Close Warning. Rosemount™ 370XA Gas Chromatograph. Size: 628kb. 3500B valves for tank top mounting. fi. These brackets can be welded or bolted to the tank and shouldthe hatch. 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. Corrosion resistant 356 HT aluminum construction as standard. 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. The VAREC 42 Series Hatch Covers are. Are conservation vents and hatches from companies such as Varec or Protectoseal ASME Rated? I'm not too worried about the stamp, the calcs show the sizes on the existing devices can handle the flow. 3500B valves for tank top mounting. Features. Extended service options available for high temperature and chemical applications. Varec Series 221 Emergency Pressure. Varec - Tank protection products. Corrosion resistant aluminum construction ensures durability and minimizes weight. 7 kPa). ‘All-weather’ non-frosting and ice-resistant coating option available for valve seats and guides. 7 kPa). Features. Size: 541kb. Loosen handwheel until eyebolt can be disengaged from pedal arm. Self-aligning cover closes automatically when the foot pedal is released. Varec 5910B and 5920B Series Relief Valve with Flame Arrester Overview These units combine the high flow capacity of a pressure and vacuum relief valve with an easy-to-maintain. Varec Varec 2500 Low Pressure Automatic Tank Gauge w/ Negator Cassette - 1 1/2 in. He informed the Board that staff will. Size: 91kb. Our tank protection offering now includes Anderson Greenwood™, Amal™ and Varec™ technologies in addition to our existing Fisher™ and Enardo™ solutions. Varec 4310 Series Sampling and Gauging Hatch Covers. Add to Cart. 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. Size: 91kb. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling. These brackets can be welded or bolted to the tank and should be placed at regular intervals (approx. Corrosion resistant 356 HT aluminum construction as standard. In addition, the VAREC 42 Series Hatch Covers include a foot pedal to open the cover, enabling the operator free use of both hands while gauging or sampling the tank contents. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. Facebook; Linked in; Youtube; 24/7 After Hours Support 1. Replaceable and interchangeable pressure and vacuum seat rings. sampling. Specs. Corrosion resistant die cast 360 aluminium construction. So, its really a question as to whether I need new Stamped relief or. 7 kpa). Locking mechanism (pin provided) raised above cover surface for easy access. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling Read more. Oversized pressure and vacuum ports for maximized flow capacities. Enardo™ Series 850 High-Performance Pipe-Away Pressure Vacuum Relief Valves. Lockdown device allows for a gas-tight seal up to 3 psig (20. 509. (“Ovivo”), a global provider of water and wastewater treatment equipment, technology and systems, is pleased to announce the acquisition of Westech Industrial Inc. Varec 4310 Series Sampling and Gauging Hatch Covers. Cover cannot separate from the base. 877. Side and center-guided pallet. Varec 5810B and 5820B Series Relief Valve with Flame Arrester Overview These units combine the high flow capacity of a pressure and vacuum relief valve with an. The cassette optimizes the performance of your gauge by reducing friction for smoother operation. This valve provides pressure and vacuum relief for normal venting. HEAD MACHINE SCREW. Contact Varec Product Marketing for further information. Easily lifted open to provide a large, unobstructed passage for easy tank access. Similar switches are also used in a Varec 2910 FTT and 2557 ALS tank gauge transmit. Varec Varec 2500 Tank Gauge Replacement Part - Back Cover Gasket - C (2013 & Later), Item # 1c. Valve Controllers & Instruments; Digital Valve Controllers Features. Emerson. Tank Vents and Hatches; Emergency Relief Vents; Emergency Relief Vents Filter by Press enter to collapse or expand the menu. Compare Compare Enardo™ Model A Deadweight Thief Hatch. Introduction The VAREC 220 Series Roof Manway Covers are designed for quick, easy access to storage tanks. Varec 42 Series Sampling and Gauging Hatch Covers. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. When deployed correctly, tank vents and hatches help control evaporation losses, allow vapors to flow freely, and protect tanks against pressure or vacuum. The 2500 Automatic Tank Gauge (ATG) is a mechanically operated, float & tape instrument designed to provide continuous liquid level measurement in bulk storage applications. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. 1997 A New Owner. Specs. Steam Traps, Valves and Level Gauges. Weather hood and screen provided for protection. The VAREC 42 Series Hatch Covers are installed on tanks to provide access for gauging, temperature. 7 kPa]. Varec gauge hatches are essential for accurate level measurement and monitoring in tanks or vessels. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. 08. Mining, Metals and MineralsAir Separation Unit (ASU) Back. Lockdown device allows for a gas-tight seal up to 3 psig (20. 03 They are particularly beneficial for tank operators, maintenance personnel, and inspectors who need to regularly monitor and manage fluid levels in. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. These brackets can be welded or bolted to the tank and should the hatch. Close. Base made of corrosion-resistant 356-T6 aluminum. Replaceable and interchangeable pressure and vacuum seat rings. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. $38. 2 Featuring a metal-to-metal seat, foot pedal for easy opening, and a tape gauge marker. Westech Corporate Headquarters Main: (403) 252-8803 Fax: (403) 253-6803. 8200 Current Output Transmitter Installation Manual. CONSTRUCTION As standard, the VAREC 42 Series Hatch Covers are available in 356 HT aluminum construction. Varec 42 Series Sampling and Gauging Hatch Covers - Emerson. Features. 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. Features. Flow & Level Indication; Liquid Level Instrumentation Jet Pumps / Eductors Flow & Level Indication Back. They use the connected instruments level reading to only. Process Gas Chromatographs. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Designed to bolt directly to a standard 150# flat faced ANSI flange on the tank top. Compare Compare Compare Add more to compare Added. Base made of corrosion-resistant 356-T6 aluminum. Gauge/ Dip Hatches Tyco reserves the right to change the content without notice WEVDR-0002-EN-0210 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. Lockdown device allows for a gas-tight seal up to 3 psig (20. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. Cover cannot separate from the base. Varec 42 Series Sampling and Gauging Hatch Covers. Safety foot pedal frees operator’s hands while gauging or sampling the tank. Featured Brands. Features • Screw down and free lift designsVarec 4310 Series Sampling and Gauging Hatch Covers; Varec 4310 Series Sampling and Gauging Hatch Covers. Designed to bolt directly to a standard 150# flat faced ANSI flange on the tank top. It is available in a range of sizes from 4” through 12”, and can be ordered with one of the two optional clamp covers. Replaceable and interchangeable pressure and vacuum seat rings. 00 LBS. 7 kPa). Description. Lockdown device allows for a gas-tight seal up to 3 psig (20. Project ServicesVarec 4310 Series Sampling and Gauging Hatch Covers | Emerson GB. Base made of corrosion-resistant 356-T6 aluminum. Varec 4310 Series Sampling and Gauging Hatch Covers - Emerson. Self-aligning cover closes automatically when the foot pedal is released. Zero product loss when combined with a vapor recovery system. gas-tight seal up to 3 psig [20. Process Gas Chromatographs. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Support Brackets "A" frame brackets support the conduit (pipework) that carries the tape. Corrosion resistant die cast 360 aluminium construction. Varec 4310 Series Sampling and Gauging Hatch Covers. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. Our burners and flaring systems are designed to burn biogas efficiently and safely over a wide. Leadership; Environment, Social, Governance. Lockdown device allows for a gas. 1991 Birds of a Feather. varec recommends the use of only varec manufactured or supplied parts to maintain or service varec 5800B Series Pressure and vacuum relief valve with flame arrester assembly. PDF. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. Available in Blue Viton, Black Viton, Buna as well as other materials upon request. Enardo™ Series 850 High-Performance Pipe-Away Pressure Vacuum Relief Valves. 1-23 of 70 results in Products. with a lockdown device that allows for a. Features. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or sampling. 7 kPa). Our Company. 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. 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. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps Pressure Management Back. Choice of NBR, PTFE and FKM seat inserts. 509. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. Safety foot pedal allows fast, hands-free tank access for sampling and gauging. . Size: 541kb. Safety foot pedal frees operator’s hands while gauging or sampling the tank. Vents directly to atmosphere. Compare CompareProtective screens at pressure and vacuum ports prevent entrance of foreign matter. Safety foot pedal allows fast, hands-free tank access for sampling and gauging. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps Pressure Management Back. 877. Locking mechanism (pin provided) raised above cover surface for easy access. Non-sparking design. Flame & Detonation Arrestors. Size: 91kb. Varec Series 221 Emergency Pressure Relief Manway covers. 7 kPa). Brands. Series 5071A-5072A. Locking mechanism (pin provided) raised above cover surface for easy access. They are designed for working pressures up to 1 psig [6. This manual provides installation and operation instructions for the latest version of the device, updated in October 2022. Large, easy to grab pull ring. Padlockable to prevent unauthorized tank access. 106) for emergency venting due to fire exposure. Protective screens at pressure and vacuum ports prevent entrance of foreign matter. Close Warning. The Hatch Covers are provided with a lockdown. Compare Compare Compare Add more to compare Added. Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. Varec. The indicator displays liquid level (product innage) to an accuracy of 1" (25 mm) on the large format scale printed on durable vinyl facing that can be seen at a distance. Overview Specs Resources Features Lockable covers designed to provide quick access to tanks for product gauging, temperature measurement and sampling Varec 42 Series. Size: 91kb. Enardo™ Series 850 High-Performance Pipe-Away Pressure Vacuum Relief Valves. Features • Screw down and free lift designsVarec 4310 Series Sampling and Gauging Hatch Covers; Varec 4310 Series Sampling and Gauging Hatch Covers. Manuals: Sampling and Gauge Hatch Covers Series 42 IOM, Varec-EN. 1. VAREC 1-1/2 THREAD PROTECTOR PLAS. Easily lifted open to provide a large, unobstructed passage for easy tank access. Carbon steel base construction available for welding to the tank roof. Available in emergency pressure only and emergency pressure and vacuum relief models. Motherwell Tank Protection, MTP, design and manufacture pressure vacuum relief valves, flamr arrestors, free vents, gauge hatch and level gauges. Size: 541kb. 7 kPa]. Varec Series 7000 Mushroom (free) Vents Specs Product Type Vacuum Valves, Tank, Free Vents, Emergency Relief Vents, Breather, Accessories. Cover cannot separate from the base. Varec top guidewire anchors can be screwed or welded into the tank roof, maintenance hatch or manhole cover. Oversized port for maximum flow. Locking mechanism (pin provided) raised above cover surface for easy. Clear All Brands. Condensate removal from gas piping systems is necessary to protect piping and equipment from possible damage caused by corrosion or water hammer. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. 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. Stainless steel (in both sizes) and aluminum (in the NPS 8 (DN 200) size) bases available. Product Type: Lock-Down Hatches. Ergonomically friendly handwheel with padlock feature to prevent unauthorized tank access. Brands. Enardo Models 850 and 950 with Smart Wireless Technology. Large, easy to grab pull ring. Vent to atmosphere or pipe-away models. . Positive sealing soft seat inserts in NBR as standard; PTFE and FKM optional. Back. Features. Lockdown device allows for a gas-tight seal up to 3 psig (20. Corrosion resistant die cast 360 aluminium construction. Corrosion resistant die cast 360 aluminium construction. Designed to bolt directly to a standard 150# flat faced ANSI flange on the tank top. Once open, the cover can remain open for ease of use. 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. Designed to bolt directly to a standard 150# flat faced ANSI flange on the tank top. Tank Vents and Hatches Select a Category Press enter to collapse or expand the menu. Size: 541kb. Vent to atmosphere or pipe-away models. Non-metallic seat insert on the pallet minimizes leakage. 3500B valves for tank top mounting. It operates normally closed and will open when the upstream. Self-aligning cover closes automatically when the foot pedal is released. Data Sheets: 42 series sampling and gauging hatch covers, Varec-EN PDF. table of contentsTank Vents & Hatches. 3500B valves for tank top mounting. Steam Traps, Valves and Level Gauges. 00 LBS. The Hatch Covers are provided with a lockdown device that allows for a gas-tight seal up to 3 psig [20. PDFS. The VAREC 42 Series Hatch Covers are installed on tanks to provide access for gauging, temperature measurement or sampling. Are you looking for a reliable and accurate instrument to measure the liquid level in your low-pressure tanks? If so, you might be interested in the 2500 Automatic Tank Gauge (ATG) from Varec, a leading provider of tank gauging solutions. Table 6. Replacement Viton gaskets sold as a complete set (base, plus interior gaskets), Buna gaskets are sold separately. accessories below for further details. Easily lifted open to provide a large, unobstructed passage for easy tank access. Safety Precaution Definitions Caution! Damage to equipment may result if this precaution is disregarded. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. 8020; About Us; Careers; News; FAQ; Brands Portal; Products; Industries; Services; Education; ResourcesFeatured Products Back. The Hatch Covers are provided with a lockdown device that allows for a gas-tight seal up to 3 psig [20. com = Home Page; About Us. Close. Enardo™ Series 800-SO In-Line Pressure Vacuum Vent. Self-aligning cover closes automatically when the foot pedal is released. Varec Enardo Groth Protectoseal Shand & Jurs (L&J Technologies) Vapor Relief and Control: On-Site Vapor Relief and Control. The Varec 42 Series Hatch Covers are installed on. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps, Valves and Level Gauges Flame and Detonation Arrestors Nuclear Flow Controls Valves, Actuators & Regulators. Compare Compare Enardo™ Model 1000 Lock-Down Hatches. Oversized pressure and vacuum ports for maximized flow capacities. Cover cannot separate from the base. Non-sparking design. Biogas is produced during the biological breakdown of organic solids through anaerobic digestion. Maximum working pressure for the clamped cover. 3650B valves with flanged intake and discharge connections for ‘in-line’ applications. Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. May also be mounted on a flame arrester. product under warranty. Compare Compare Enardo™ Model 200 Deadweight Thief Hatch. Safety foot pedal allows fast, hands-free tank access for sampling and gauging. PDF. Stainless steel (in both sizes) and aluminum (in the NPS 8 (DN 200) size) bases available. Easily lifted open to provide a large, unobstructed passage for easy tank access. Cover cannot separate from the base. Construction The standard VAREC 42 Series Hatch Covers are available in 356 HT aluminum construction. Free-opening or lock-down covers designed to provide quick access for product gauging, temperature measurement or. Close Warning. , doing business as Varec Biogas (“Varec Biogas”), a wholly-owned subsidiary of Westech Industrial Ltd. Enardo™ Series 850 High-Performance Pipe-Away Pressure Vacuum Relief Valves. Support Brackets "A" frame brackets support the conduit (pipework) that carries the tape. Enardo™ Model 660-B and 660-LB Spring-Loaded Thief Hatch. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Tank Vents and Hatches Bulk Storage and Transport Equipment Steam Traps Pressure Management Back. Features. 03 Nm3/hr] or less at 90% of setpoint) Pallet drip ring and self-draining housing protect the seating surface from condensate and freezing. 221PV incorporates a spring loaded vacuum relief valve integral to the cover assembly. Replaceable ‘air cushion’ PTFE seating for lowest available leakage for weight-loaded valves (1 SCFH [0. Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. Vents directly to atmosphere. Close. 7 kPa). Enardo ES-665 Thief Hatch. KTM Dual­V Hi­Performance Control Ball Valves; Read more. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Anderson Greenwood 5910C. Enardo™ Series 800-SO In-Line Pressure Vacuum Vent. Varec-EN PDF. Corrosion resistant aluminum construction ensures durability and minimizes weight. The Hatch Covers are provided. • 3500B valves are tank top mounted • 3600B valves are side mounted • 3650B valves with flanged intake and discharge connections for “in-line” applications. Products; Back. Once open, the cover can remain open for ease of use. Compare. Features. Valve Controllers & Instruments; Digital Valve Controllers. Oversized port for maximum flow. Replaceable and interchangeable pressure and vacuum seat rings. Overview. Varec 5910B and 5920B Series Relief Valve with Flame Arrester Overview These units combine the high flow capacity of a pressure and vacuum relief valve with an easy-to-maintain flame arrester for maximum protection and reliable operationProtective screens at pressure and vacuum ports prevent entrance of foreign matter. Corrosion resistant 356 HT aluminum construction as standard. 877. Lockable covers designed to provide quick access to tanks for product. 1-4 of 4 results in Products. Extensible flame arrester bank assembly. VAREC 2010B / 2020B Series PRESSURE AND VACUUM RELIEF VALVE The 2010B / 2020B protects tanks from damage or deformation, and minimizes emissions to the environment, as well as loss of product due to evaporation. Features. Understanding Design Codes and Standards for Biogas Systems. VAREC LLI, 20 FT. Service West: 1-800-912-9262 Service East:. Spun aluminum weather hood. Cast metal cover provides added strength and extended life. Oversized pressure and vacuum ports for maximized flow capacities. Automation Solutions; Commercial & Residential Solutions; Our Company. Designed to offer flexibility of installation. Varec 42 series sampling and gauging hatch covers Features • non-sparking design. Stainless steel (in both sizes) and aluminum (in the NPS 8 (DN 200) size) bases available. Without a secondary safety net like the 400W Series provides, tanks are susceptible to explosion or implosion as pressure. Our Company. 80. Lockdown device allows for a gas-tight seal up to 3 psig (20. Protective screens at pressure and vacuum ports prevent entrance of foreign matter. /Testing Center Pressure and Vacuum Relief Valves Emergency Relief Manhole Covers Roof Manhole Covers Sample And Gauging Hatches Flame Arresters Detonation Flame Arresters Vapor Control. (a) Solids Treatment Process, Rows 10-29. Tank Vents and Hatches Nuclear Flow Controls Bulk Storage and Transport Equipment Steam Traps, Valves and Level Gauges Controllers and Instruments Flame and Detonation Arrestors. Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. Data Sheets & Bulletin: 221 series emergency pressure relief manway covers, Varec, Tank Vents & Hatches (VCTDS-00310-EN) Author:Outlet adapter on the 2020B Series is one pipe size larger than the valve inlet flange to optimize flow capacity. Both devices use Pt100 temperature sensors and are seamlessly integrated with servo gauges or other instrumentation via the intrinsically safe HART communications interface. Products; Back. Replaceable and interchangeable pressure and vacuum seat rings. 7 kPa). Compare. Replaceable and interchangeable pressure and vacuum seat rings. Products; Back. Hood is easily removed for inspection and maintenance. 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. Product Type: Lock-Down Hatches: Related products. Data Sheets & Bulletins Data Sheets: 221 series emergency pressure relief manway covers, Varec-EN Features. Corrosion resistant die cast 360 aluminium construction. Replaceable and interchangeable pressure and vacuum seat rings. 7 kPa) inVarec top guidewire anchors can be screwed or welded into the tank roof, maintenance hatch or manhole cover. Varec 4310 Series Sampling and Gauging Hatch Covers Specs Product Type Lock-Down Hatches Resources. Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. Industry. 7 kPa). Safety foot pedal frees operator’s hands while gauging or sampling the tank contents. Close. Ergonomically friendly handwheel with. Oversized port for maximum flow. (Plants) another name for kelp. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Read More. Lockdown device allows for a gas-tight seal up to 3 psig (20. Manuals: Sampling and Gauge Hatch Covers Series 42 IOM, Varec-EN. For operating the Series 42 hatch, use the following instructions: 1. Enardo™ Model 1000 Lock-Down Hatches. Data Sheets & Bulletins Data Sheets: 4310 series sampling and gauging hatch covers, Varec-EN Features. Varec 42 Series Sampling and Gauging Hatch Covers. seaweed; the calcined ashes of coarse seaweeds used for the manufacture of iodine, potash, and formerly soda : kelp… See the full definitionvarec. Size: 541kb. Available in emergency pressure only and emergency pressure and vacuum relief models. Add to Cart. Tank Vents & Hatches. Gauge/ Dip Hatches Tyco reserves the right to change the content without notice WEVDR-0002-EN-0210 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. Once open, the cover can remain open for ease of use. The wireless monitoring option allows the remote sensing of the open or closed position of the vent which enables. Close. Compare Compare Compare Add more to compare Added. The Varec 42 Series Hatch Covers are installed on. Manuals & Guides Manuals: Sampling and Gauge Hatch Covers Series 42 IOM, Varec-EN. For 60 years GROTH has been delivering valves that perform and service you can count on. All-weather coating option available for valve seats and guides. Close. Lockdown device allows for a gas-tight seal up to 3 psig (20. Varec, Inc. /in. Warning! Direct injury to personnel or damage to equipment which can cause injury toFeatured Products. VAREC BIOGAS 42 Series Sampling and Gauging Hatch Cover. Varec Series 221 Emergency Pressure Relief Manway covers. Specs. Compare. January 27,2020. Hinged cover provides a fixed pivot point, ensures proper reseating and added safety. FEATURES. Features • Screw down and free lift designs Varec 4310 Series Sampling and Gauging Hatch Covers. Available in emergency pressure only and emergency pressure and vacuum.