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Zhengzhou to open Valves Technology, Inc., headquartered in the Central Plains zui large logistics center --- Zhengzhou, Henan Province, is a collection valve research and development production, sales and technical services in one of the fluid control business, with advanced equipment and detection technology All valves have undergone strict quality inspection and are “ excellent ” . Their products are widely used in high-tech fields such as petroleum, chemical, paper, mining, electric power, gas, food, pharmaceutical, water supply and drainage, etc.

Zhengzhou Chengkai Valve Technology Co., Ltd. has * management level, strong financial strength, and now has over 2,000 square meters of large warehouse, a large number of stocks in stock, the main products are: ball valve, needle valve, globe valve, gate valve, check back Valves, butterfly valves, flame arresters, exhaust valves, mud valves, filters, discharge valves, diaphragm valves, safety valves, plug valves, plunger valves, balancing valves, regulating valves, traps, solenoid valves, breathing valves, Pipe clamp valve, sewage valve, pneumatic valve, electric valve, high pressure valve, medium pressure valve, low pressure valve, high temperature valve, high temperature and high pressure valve, heat preservation valve, hydraulic control valve, vacuum valve, stainless steel valve, rubber lined valve, fluorine-lined valve , plastic valves, bellows valves, steam valves, gas valves, gas valves, ammonia valves, American standard valves, Japanese standard valves, German standard valves, imported valves, etc. Main materials used QT450-10, WCB, WC1, WC6, WC9, ZGCr5Mo, ZG20CrMoV, ZG15CrMoV, CF8, CF8M, CF3, 12Cr1MoV, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti. The products sell well all over the country, and gradually develop overseas markets, which have been exported to many countries in the Middle East and Southeast Asia. The company has been rated as “ Heavy Contract and Credit ” for many times and won the trust and praise of users.

Zhengzhou Chengkai Valve Technology Co., Ltd. " Based on the Central Plains, logistics global, and look to the world " , to establish a valve industry brand perseverance. The company actively carries out foreign cooperation and exchanges, leveraging the advantages of internationally renowned brands .  

Companies adhering to the " quality-based, reputation for survival, service to win God " business philosophy, to provide customers with excellent products and perfect after-sales service, establish a corporate brand image, create the myth of the valve industry.

Application specification 1. Design and manufacture according to GB12234-89 2, the structure length according to GB12221-89 3, flange size according to JB/T79-94 4, valve inspection and test according to GB13927 Performance specification model Nominal pressure (MPa) Experimental pressure Working temperature (°C) Applicable medium Strength water (MPa) Sealed (water) air (MPa) Low pressure sealed air (MPa) ZAH-16C Z41W-16P(R) 1.6 2.4 1.8 0.6 ≤200 Nitric acid Z41W-25P(R) 2.5 3.8 2.8 0.6 ≤200 Acetic acid Z41W-40P(R) 4.0 6.0 4.4 0.6 ≤200 Nitric acid Z41W-60P(R) 6.4 9.6 7.0 0.6 ≤200 Acetic acid Main part material Body/bonnet ZGICr18 Ni9Ti ZG00Cr18 Ni10 ZG1Cr18 Ni12M0 2 Ti ZG00Cr17Ni14M0 2 WCB Part Name ZGICr18 Ni9Tit series ZG00Cr18 Ni10 series ZG1Cr18 Ni12M0 2 Ti Series ZG00Cr17Ni14M0 2 series WCB series gate ZGICr18 Ni9Ti ZG00Cr18 Ni10 ZG1Cr18 Ni12M0 2 Ti ZG00Cr17Ni14M0 2 1Cr13 Valve stem 1Cr18 Ni9Ti 00Cr18 Ni10 1Cr18 Ni12M0 2 Ti 00Cr17Ni14M0 2 1Cr13 filler PTFE weave PTFE weave PTFE weave PTFE weave graphite Gasket 304L+PTFE 304L+PTFE 316+PTFE 316L+PTFE graphite Gland ZGICr18 Ni9Ti ZG00Cr18 Ni10 ZG1Cr18 Ni12M0 2 Ti ZG00Cr17Ni14M0 2 series WCB Packing pressure ring 1Cr18 Ni9Ti 00Cr18 Ni10 1Cr18 Ni12M0 2 Ti 00Cr17Ni14M0 2 1Cr13 bolt 1Cr17Ni2 1Cr17Ni2 1Cr17Ni2 1Cr17Ni2 35CrMoA Nut 1Cr18 Ni9Ti 1Cr18 Ni9Ti 1Cr18 Ni9Ti 1Cr18 Ni9Ti 45 1.6MPa main connection size size DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 L Mm 130 150 160 180 200 250 265 280 300 325 350 400 450 500 550 600 650 700 800 H Mm 175 180 210 210 350 358 373 435 500 614 674 818 1225 1415 1630 1780 2050 2181 2599 W Mm 180 180 200 200 200 240 240 280 320 360 360 400 450 500 500 600 720 720 720 2.5MPa main connection size size DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 L Mm 130 150 160 180 200 250 265 280 300 325 350 400 450 500 550 600 650 700 800 H Mm 175 180 210 210 350 358 373 435 500 614 674 818 1225 1415 1630 1780 2050 2181 2599 W Mm 180 180 200 200 200 240 240 280 320 360 360 400 450 500 500 600 720 720 720 4.0MPa main connection size size DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 L Mm 130 150 160 180 200 250 280 310 350 400 450 550 650 750 850 950 H Mm 175 180 210 210 350 358 373 435 500 614 674 818 1225 1415 1630 1780 W

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