Ouyi valve. was established in 1997. We are manufactures, specialize in design, production complete ball valve spare parts.
"Safety and economical industrial valve solution" is Ouyi's eternal quality policy and objective. Based on international and domestic industrial standards and customer requirements, we set up higher internal quality assurance standards to implement comprehensive and full quality management. OUYI already executed the full process quality control covered whole producing process which are from raw material purchasing, producing process, completed products inspection, test & tracing to after service. The inspection and tests include:
Company History
Ouyi Products
Stem Tunnion Ball
Stem Tunnion Ball

Product Name:Stem/Three-way Ball Nominal Size:NPS1''~4''(DN25~100) Pressure Rating:Class 150~1500(PN20~250) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A A182 F51, A182 F53,

Floating Ball
Floating Ball

Product Name:Floating Ball Nominal Size: NPS1/2''~12''(DN15~300) Pressure Rating: Class 150~600(PN20~100)

Trunnion Ball OY002
Trunnion Ball OY002

Product Name:Trunnion Ball Nominal Size:NPS2''~48''(DN50~1200) Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6AA182 F51, A182 F53, A564 630(17-4PH), Monel, Alloy

Trunnion Ball OY001
Trunnion Ball OY001

Product Name:Trunnion Ball Nominal Size:NPS2''~48''(DN50~1200) Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6AA182 F51, A182 F53, A564 630(17-4PH), Monel, Alloy

Trunnion Plate
Trunnion Plate

Product Name: Trunnion Plate Nominal Size:NPS4''~56''(DN100~1400) Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A,A182 F51, A182 F53,A564 630(17-4PH), Monel

Forged Valve body
Forged Valve body

3pc design of forged body

Valve Stem
Valve Stem

Product Name:Stem Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A,A182 F51, A182 F53,A564 630(17-4PH), Monel, Alloy

Seat Retainer
Seat Retainer

Product Name:Seat Retainer Nominal Size:NPS2''~56''(DN50~1400) Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A,A182 F51, A182 F53,A564 630(17-4PH), Monel, Alloy

Metal to Metal Ball & Seat
Metal to Metal Ball & Seat

Product Name:Metal to Metal Ball Nominal Size:NPS1/2''~24''(DN15~600) Pressure Rating:Class 150~2500(PN20~420) Basic Material: ASTM A105, A350 LF2, A182 F304, A182 F316, A182 F6A A182 F51, A182 F53,

Welcome to Ouyi(Provide professional solutions for global users of industrial valves)
Ouyi is a professional manufacturer for designing & producing ball valves and ball valve spare parts, which was established in 1998. In the last 16 years, we concentrate on offering worldwide customers economical and safety industrial valve solution by continuously improvement on technical and quality

In Oct. 2009, with the order quantity increased sharply, to meet the local and oversea customers' increasing requirement to our product. OUYI moved its factory to Linshui City and extend its building area more than 26000㎡ , the company staff increased to 180 persons, Under such back ground, to keep our product quality on always high level, We added more imported quality control equipment for QC lab. Now our quality control and inspection system is made by spectral analysis, physicochemical experiment, NDT, behavioral simulation experiment. With the professional quality management team operating according to ISO9001, we already executed the full process quality control covered whole producing process which are from raw material purchasing, producing process, completed products inspection, test & tracing to after service. Our target is to sure all OUYI product quality are always higher than customer's request.
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
Plant Equipment
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