Specifications Dial1" (25mm), 1.25" (32mm) or 1.5" (40mm) white aluminum with black markings Case1" (25mm:) Nickel plated brass Others: 304 SS LensPlexiglass Spiral Tube60 to 2000 psi: phosphor bronze 3000 psi: Beryllium copper or Stainless steel 4000 psi and above: 316L SS Connection1/8" NPT standard, back pointer3000 psi and below: Brass 4000 psi and above: 304 SS Over-Pressure Limit10% of full scale value Working Pressure10% of full scale value Ambient-40掳F to 150掳F (-40掳C to 65掳C) Accuracy卤3-2-3% ANSI/ASME Grade B Enclosure RatingIP65 Packaging & Delivery pressure gauge for fire extinguisher packing: each pcs with one polybag and one small carton. outside is 5 layer carton. shipping with pallet for safety. Port: NINGBO, SHANGHAI Description & Features: 鈥?Reliable, small diameter, low profile gauge 鈥?1" (25mm) to 1.5" (40mm) sizes 鈥?1/8" NPT socket 鈥?Direct drive (no linkages or hairsprings) eliminating premature failure from the gear and movement 鈥?Safety over-pressure port on the lens 鈥?"Use No Oil" for use in oxygen service 鈥?UL Listed for 1.25" 3000psi and 4000psi and 1.5" gauges,UL number:SA32781 Applications: Commonly used on portable pneumatic equipment such as compressors, hand-held sprayers, pressurized recreational guns, oxygen tanks and regulators, pumps and fire extinguishers Why Choose Us 1) Advance Equipment and Professional Technology: we are committed to offer the good quality gauges with advance equipment and professional technology for all over the world customers. 2) Best After-sales Service: Our company provide best after-sale service all the time, for our goal is a long trade cooperation term. 3) Serious Inspection Procedure with Excellent Quality: Our pressure gauges all are 100% inspection, we also have passed ISO9001 and UL certificated. 4) Quickly Delivery: Our company provides in-time delivery with , always satisfy customers needs. 5) Convenient Purchase and save cost: GCBob is a direct importer and skillful manufacturer, so it's convenient for you to purchase, We can provide our high quality products with reasonable price. 6) Best Reputation: Our factory have ten years experiences and have already gaining the best reputation and response from the customers from all over the world. 7) OEM orders: In the past years, we have many OEM orders from very famous company in USA and European market. Welcome to contact us Right Now! Mail Address: ldfirefighting@163.com Salesmanager: Mr.Wang&Ms.Mao Wechat/Phone No: +86 13857031119/13857031119China Fire Extinguisher Accessories website:http://www.ldfirefighting.com/fire-extinguisher-accessories/