Chase Associates, Inc. - Edgecomb, ME
Manufacturer
Manufacturer of quick opening & acting pressure vacuum doors or manways. Manways open into the vessels & & seal an ASME flanged & dished head against liquid tight replaceable gasket. Manways are available in various models with specifications including sizes ranging from 20 in. to 42 in., shell OD ranging from 25 in. to 49 in. & from 84 psi to 36 psi. Materials include 304L, 316L & 317L stainless steel & A36 & A516 carbon steel. Features include handwheel release operation only upon emptied tank.
www.manways.com

Walz & Krenzer, Inc. - Oxford, CT
Manufacturer, Custom Manufacturer
Custom designed gas-tight & watertight doors for new & existing construction. Designed for any size opening against water, chemical, air & blast pressures. Closures designed to comply with ABS, USCG, FEMA, DEP & other requirements. Design & supply of the most simple watertight/airtight doors to complex power operated doors. Available in hinged or sliding designs.
www.floodbarriers.com/watertight/wt-hp.htm

Melco Steel, Inc. - Azusa, CA
Manufacturer, Custom Manufacturer, Service Company
Designer & manufacturer of quick acting or opening doors made from stainless steel & carbon steel for pressure & vacuum applications. Doors are available in dia. up to 18 ft. & pressure up to 3,000 psig. Features include horizontal, special & vertical orientation, door safety interlock devices, optional power units & directional control valves. Meets ASME standards. Made in USA.
autoclaves.melcosteel.com/item/all-categori...

Quick Opening Pressure & Vacuum Doors Capabilities
	Harris Quick Opening Doors

WSF Industries, Inc. - Buffalo, NY
Manufacturer, Custom Manufacturer
Manufacturer & distributor of autoclave doors & vulcanizers. Includes quick access closures, horizontal & vertical door openings, & full computerization & micro-processing controls. Autoclave & pressure vessel sizes range from 6 to 12 in. diameters & lengths of 120 ft. Temperature capabilities range up to 600 degrees sizes range from 6 in. to 12 ft. diameters & lengths up to 160 ft. Fahrenheit & hydro pressure testing up to 30,000 PSIG. Materials include steel, stainless steel & aluminum.
www.wsf-inc.com/Bonding.htm

Advanced Precision Fabricators, Inc. - Tulsa, OK
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of quick opening, pressure, & vacuum doors & closures for autoclaves & filter vessels. Available in vertical & horizontal models. Capabilities include design, engineering, fabrication & installation, as well as repairs & alterations. In-house machining & repair services available, including remachining of sealing surfaces & new grooves for gaskets. Materials include carbon steel, stainless steel, Monel®, Inconel®, Hastalloy® & other alloys. Services include welding in stick, MIG, TIG, flux core & sub arc single & dual varieties, as well as heavy plate rolling up to 6 in., heat treating & non-destructive testing. Industries served include rubber, aerospace, chemical plant, food, mining, medical, waste treatment & wood industries. Meets ASME standards.
www.apftulsa.com/closures.html

ASC Process Systems - Valencia, CA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of production & laboratory autoclaves for uses in composite curing, composite bonding, glass manufacturing, cement manufacturing, vulcanizing, food processing & waste treatment. Products include composite autoclaves, glass laminating autoclaves & eco.
www.aschome.com

Berner International Corp. - Air Curtains/Air Doors - New Castle, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of doors including quick opening pressure & vacuum doors. Types of doors include air, strip & bi-parting doors. Doors are suitable for commercial, retail, food service & industrial applications. Air doors are AMCA certified.
Brand Names: Berner
www.berner.com/all.php5?sec=products&top=2&...

Overly Door Co. - Greensburg, PA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of standard & custom quick opening water pressure & vacuum resistant swinging doors. Available with frames, hinges, quick-acting locking devices & gaskets.
door.overly.com/default.aspx

Dynaco USA, Inc. - Mundelein, IL
Manufacturer
Manufacturer of fast & quick acting & opening, pressure & vacuum doors. Doors are available in sizes up to 39 ft. x 18 ft. with features including infrared photocell in sides, wind resistance up to 95 mph, 48 in./second to 96 in./second operating speed & gear driven & push pull operation. Electrically operated doors are suitable for use in high traffic areas.
highspeeddoors.dynacodoor.us/category/all-c...

Beta Industries - Carlstadt, NJ
Distributor, Manufacturer
BETADOOR, Auto Elec. Operated Doors Used In Hotels, Restaurants & Labs. Self-Contained In Aluminum Frames, Automatically Operated.

Accessmanufacturing - Maspeth, NY
Manufacturer, Custom Manufacturer
Manufacturers Access Doors & Bulkhead Style Hatches (Sidewalk, Floor, Roof & Pit)

A.J. Manufacturing - Bloomer, WI
Distributor, Manufacturer, Custom Manufacturer
Manufacturer Of Polyurethane Insulated Doors, Both Vacuum & Pressure Relief Doors To The HVAC Market

Rite Hite Holding Corporation - Milwaukee, WI
Manufacturer, Custom Manufacturer
Manufacturer of high speed industrial pressure & vacuum doors including quick opening & quick & fast acting doors. Various features include curtain release & reinsertion systems, digital communication controllers, vision panels & substantial seals. Doors are available with opening & closing speed up to 42 in./seconds. ISO 9001 certified.
Brand Names: Rite-Hite

JM Canty, Ltd - Buffalo, NY
Manufacturer, Service Company
QuickPort™ closure is a safe, quick opening closure for process vessels. A pressure differential holds door securely in place; no bolting involved.

BRT Marine Supply - New Orleans, LA
Distributor, Manufacturer
Distributor/Manufacturer Of Marine Equipment & Supplies. Hulls, Decks, Pumps, Galley, Coatings, Safety, Plumbing, Quarters, Pilothouse, Engine-Room, Navigation

Thermostop, Inc. - Hubert, QC
Manufacturer, Custom Manufacturer
Manufacturer of a full line of polyurethane insulated cold storage doors including hinged entrance doors, sliding single & bi-parting doors, sectional overhead doors & impact traffic doors. Options of motorization with photo cell, motion detector & loop detector devices for sliding & overhead doors.

Hodge International - Somerset, KY
Manufacturer, Custom Manufacturer
Design, Manufacturer, Service & Repair Quick Opening Pressure & Vacuum Doors, Autoclaves, Autoclave Systems, & A.S.M.E. Pressure Valves. Full Design Capabilities, A.S.M.E. Code Stamps (U-Division 1 & 2, R & S)

Centexmarine - Smithville, TX
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of Closures, Stacks, Vessels, Pipe Spools

Rytec Corp. - Jackson, WI
Manufacturer
Manufacturer Of High-Speed Rolling & Folding Doors For The Industrial, Commercial & Cold Storage Markets

L.A. Boiler Works, Inc. - Blackwell, OK
Manufacturer, Custom Manufacturer
Manufacturer Of Welding Fittings

Process Welding Div., J.D. Cousins Inc. - Buffalo, NY
Manufacturer
Manufacturer of quick opening, pressure & vacuum doors.

International Door, Inc. - Canton, MI
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer of vertical lift doors including high speed doors. High speed doors are available with 14 gauge exterior & 16 gauge interior steel cladding, 3 in. thickness, guide rollers & 3 ft./second to 3.5 ft./second opening speed. Options include weather hood, breakaway bottom panels with flashing strobe lights, safety striping, vision lights & personnel passage doors & radio controls. Applications include automotive plants, postal facilities, warehouses, high traffic areas, shipping areas & material handling areas.

Engineered Machine Products, Inc. - Farmingdale, NJ
Manufacturer
Manufacturer of explosion relief equipment to NFPA-68 standards. Products include lightweight non-destructive panels held by adjustable magnetic or passive fixed release latches. Sizes to 48" x 96". Wide pressure range including implosion relief, close tolerances, temperatures to 1800 degrees F.

Beta Tech Corp. - Carlstadt, NJ
Manufacturer
Manufacturer Of Access Doors, Magnifiers, Microscopes, Video Inspection Equipment

Moeschl-Edwards Co. - Covington, KY
Manufacturer, Service Company
Industrial Doors