DIDLINK Cast Steel Gate Valves are designed and manufactured to ensure leakage of less than 100 ppm (parts per million) of volatile organic compounds. Extensive base line laboratory testing (static and cycle testing) has been perforDIDLINK establishing critical design parameters necessary to achieve low emission sealing in the DIDLINK stem packing seal area and in the bonnet gasket sealing area, In-house testing procedure has been developed and is periodically perforDIDLINK to ensure that standard product design and manufacturing criteria consistently result in the DIDLINK Cast Steel Gate Valve meeting a maximum of 100 ppm VOC leakage prior to shipment. DIDLINK Cast Steel Gate Valves are with main Features as below: » SizeRanges: 1 1/2” through 48” » Pressure Ratings: ANSI #150 to 2500 » Standards compliance: API 600, ASME B16.34 or equivalents » Materials: Cast Carbon Steel, Cast Stainless Steel, Cast Duplex or Other Specials » Ends Connections: Flanged(FF, RF, RTJ) to international standards » OS&Y, Outside Stem and Yoke » Metal-sealed(API Trim # 1, #5, #8, #10 and etc.) » Optional Locking Device or Stem Extension » Optional Direct Mounting to ISO 5211 » Full Port As for aggressive selling prices, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such high-quality at such price ranges we've been the lowest around for New Delivery for China API 600 602 603 API 6D 150lb Forged Cast Steel Gate Valve Flanged Ends, We've been now seeking forward to even better cooperation with overseas consumers dependant on mutual added benefits. For anyone who is interested in almost any of our products and solutions, be sure to experience totally free to contact us for more specifics. New Delivery for China Forged Steel Gate Valve,  Steel Gate Valve, We can give our clients absolute advantages in product quality and cost control, and we now have full range of molds from up to one hundred of factories. As product updating fast, we succeed in developing many high quality goods for our clients and get high reputation.