Cast Iron Check Valve

Product discription1. The working air pressure: 3.0mpa, hydraulic pressure: 6.5mpa 2. Suitable medium: R12, R22, R502, R407c, R134A, R404A, R410aect refrigerants and other refrigerating oil. 3. Suitable temperature: -50° C+ 150° C Flange check valve /non -return valve: Passed CE certification. It is installed on screw compressor for stopping back flowing of gas. We are the suppiler of hanbell scew compressor. Which is the best screw compressor munufacuture in China. The quality is very good. Material: Cast iron Welcome to buy our check valve Model DNΦAΦBΦCΦDEΦF L M H OYDH50Φ82Φ82Φ64Φ63Φ8377.8Φ18110M1620Φ60YDH70Φ76Φ105.5Φ85Φ84Φ10799Φ18135M1625Φ82YDH100Φ96Φ130Φ111Φ110Φ131122Φ22135M2025Φ105YDH80Φ76Φ120Φ100Φ99Φ121113.1Φ22135M2025Φ95YDH40CΦ43Φ75Φ60Φ59Φ7674.25Φ18105M1620Φ55YDH60CΦ53Φ90Φ70Φ69Φ9184.85Φ18110M1620Φ66YDH70CΦ64Φ110Φ90Φ89Φ11199Φ18125M1625Φ80YDH100CΦ88Φ145Φ125Φ124Φ146130.8Φ22135M2025106.6Usage: It is installed on scew compressor to stop for back flowing of gas. And please believe that the quality is very good. Because we are the supplier of Hanbell screw compressor, which is the best screw compressor in China.     Company Profile   ABOUT USZhejiang Liyongda Refrigeration Machine Co.,Ltd.is a manufatory which is set of production,R&D,sales of valves.Specializing in the production of various refrigeration right angle,straight through valve,ball valve,check compressor,refrigeration pipeline,equipment central air-conditioning refrigeration system.The company was founded in 1992,pant area of 12000 square meters,28 years focused on refrigeration stopvalve manufacturing industry,the strenght,excellent technology.also have perfect quality management system,won industry recognition.Certifications Packaging & ShippingFAQQ1: Wonder if you accept small orders?A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order. Q2: Can you send products  to my country? A2: Sure, we can. If you do not have your own ship forwarder, we can help you.  Q3: Can you do OEM for me?A3: We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP. Q4: What's your payment terms ?A4: By T/T,LC AT SIGHT,30% deposit in advance, balance 70%  before shipment.    Q5: How long is your production lead time?A5:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty. Q6: When can I get the quotation ?A6: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1