Our company is a modern enterprise committed to the development of 3in gate valve, 28mm pump gate valve, pvc gate valve 2 inch and the expansion of domestic and foreign markets. At present, our products have been recognized by a large number of consumers and have a good reputation in the industry. We will keep forging ahead, serve and give back to customers with a sincere attitude.Since the establishment of our company, we have insisted on innovation. Our 3 os y valve is constantly updated, not only selling well in China but also widely acclaimed overseas. We have created a large number of excellent performances, which have established the firm position of the company in the industry. We always put the advanced equipment of our plants in the first place and invest heavily in advanced equipment. Look forward to long-term cooperation and mutual benefits! Our company spirit is: standardized professionalism, enthusiastic service, sincere cooperation, and group win-win. Our company's comprehensive energy consumption has been gradually reduced, and pollution emissions have been reduced year by year. Do not forget the original intention, forge ahead, in the future development road, we will remember: customer first, service first. The outstanding cultural orientation and cohesive function have brought vitality to the enterprise, truly realized the cultural prosperity of the enterprise, and gradually formed a corporate culture with the characteristics of the company.
  • Cast Iron Wedge Gate Valve
    Size: DN40-DN800. Operation: Hand wheel. Working pressure: PN10. Temperature Range:0 °C - 200 °C. Face to Face: BS 5163/GOST 12815-80. Flange drilled: PN10.
    read more
  • Stainless Steel Knife Gate Valve
    Rui Mai Stainless Steel Knife Gate Valves deliver tight, dependable shut-off in lines carrying suspended solids, heavy slurries, and corrosive media. Built with a self-cleaning, sharp-edged gate, the
    read more
  • Pneumatic Knife Gate Valve
    A pneumatic knife gate valve provides reliable linear isolation operated by compressed air. Featuring a thin, polished stainless steel gate, it cuts vertically through viscous and abrasive flow
    read more
  • Slurry Knife Gate Valve
    A slurry knife gate valve is a specialized linear isolation valve designed for pipelines carrying suspended solids, dense fibers, or abrasive media.
    read more
  • Smart Electric Gate Valve
    A Smart Electric Gate Valve combines heavy-duty mechanical gate valve design with an intelligent multi-turn actuator to deliver automated pipeline isolation. Featuring a rigid wedge, bi-directional
    read more
  • Electric Cast Steel Gate Valve
    The Electric Cast Steel Gate Valve combines a heavy-duty cast steel body with a high-torque electric actuator to deliver automated, zero-leakage pipeline isolation. Engineered for full-open or
    read more
  • Non-Rising Stem Resilient Seated Gate Valve
    The Non-Rising Stem Resilient Seated Gate Valve provides zero-leakage fluid isolation for water distribution and space-restricted piping systems. Its non-rising stem maintains a constant vertical
    read more
  • Rising Stem Wedge Gate Valve
    The Rising Stem Wedge Gate Valve provides absolute fluid shut-off and direct visual position monitoring for critical piping isolation. Operating via an Outside Screw and Yoke (OS&Y) mechanism, the
    read more
  • Elastic Seated Gate Valve
    The Elastic Seated Gate Valve features an elastomer-encapsulated wedge to deliver drop-tight isolation in liquid pipelines. Designed as a modern alternative to metal-seated valves, its resilient
    read more
  • Resilient Seated Flanged Gate Valve
    The Resilient Seated Flanged Gate Valve provides full-bore shut-off for potable water, wastewater, and municipal networks. Its elastomer-encapsulated wedge seals against the precision-cast body,
    read more
  • Resilient Seated Non-Rising Stem Gate Valve
    The Resilient Seated Non-Rising Stem Gate Valve delivers bi-directional, zero-leakage fluid isolation for water networks, municipal wastewater, fire protection, and industrial utilities. Engineered
    read more
  • Wafer Knife Gate Valve
    Size: DN50-DN1000. Operation: Hand wheel/Worm gear. Temperature Range: 0 °C - 80 °C.
    read more
Jill George star star star star star
I received it a few days ago and I am very satisfied!
Michael Mehaffey star star star star star
We like working with your company very much. Your employees are very enthusiastic and your products are excellent.
Carl Cherry star star star star star
We have been working with you for many years, you have a high quality service and as a regular customer you can give us the best price.
Maurice Robert star star star star star
We have received the goods from you and they are of high quality and of great use.
Charles Green star star star star star
Although your goods are somewhat defective, you can respond as quickly as possible and also give us a small gift.
Brad Valdez star star star star star
The product was received in time. I tried it for a few days. When I consulted the customer service if I didn’t understand something in the middle, I could give a patient and detailed answer. Their
OS&Y, Check, and Butterfly Valves | Reliable Sprinkler...

WebReliable provides a complete line of UL Listed, FM Approved Resilient-Seated OS&Y valves, Non-rising Stem (NRS) valves, Wall Indicator Post valves, Check valves, and Butterfly valves suitable for...

OS&Y Valve 4" - 12" Flanged Ends - Mueller Co....

WebFeatures: UL 262 Listed and FM 1120/1130 Approved and certified to ANSI/NSF 61 & 372. Epoxy Coated interior and exterior surfaces. Outside Screw & Yoke (O.S.&Y.) Adjustable packing. Rubber...

Gate Valves for Pipe Systems & Fire Protection | Victaulic...

WebSeries 371 Open Stem & Yoke (OS&Y) Gate Valve. Series 372 Non Rising Stem (NRS) Gate Valve. Series W371 Open Stem & Yoke (OS&Y) Gate Valve. Series 772A Gate Valve. Series 771A Gate Valve. Series...

OS&Y Valve 3" - 12" Class 250 Flanged Ends - Mueller Co....

WebR-2361-12Sizes: 3” - 12”Features:UL 262 Listed and FM 1120/1130 Approved and certified to ANSI/NSF 61 & 372Epoxy Coated interior and exterior surfacesOutside Screw & Yoke (O.S.&Y.)Adjustable...

Grooved End Gate Valve, OS&Y , 300PSI | MOBIAK FIRE...

WebPRODUCTS. Home / Fire Cabinets & Equipment / Grooved End Gate Valve, OS&Y , 300PSI. FIRE EXTINGUISHERS. SPARE PARTS. EXTINGUISHING AGENTS. FIRE CABINETS & EQUIPMENT. DOORS. FIREMEN...

OS&Y Valve - All You Need to Know | Harris Water Main...

WebApr 9, 2013 · An OS&Y valve (outside screw & yoke) functions by opening and closing via a gate, which lowers both in and out of the valve. When the handle is turned clockwise the gate will close...

With the vision of becoming a leader in the industry, the mission of creating high-quality products, and the core value of "green and environmental protection", our company wholeheartedly provides high-quality reliable check valve, vertical lift check valve, no slam check valve to our customers. This is our responsibility and our eternal pursuit. We're professional 3 os y valve suppliers in China, specialized in providing high quality products and service. We warmly welcome you to buy customized 3 os y valve at low price from our factory. For more cheap products, contact us now.
Send Inquiry
you dream it, we design it
Chengde Rui Mai Trading Co., Ltd
contact us