1.Execution Standard: GOST 17378
2.Type/Model: Concentric、Eccentric
3.Specification: φ21.3mm-1016mm
4.Connection Type: BW
We constantly develop environmentally friendly, high-performance, multi-functional and long-lasting Steel Concentric Reducer, 3 to 4 stainless reducer, 4 x 2 concentric reducer to meet market demand. Our company with excellent product quality, integrity of the business philosophy and perfect after-sales service, creating a strong brand in the field of steel pipe reducer fittings. Our team is made up of experienced professionals who are experts in their respective fields. We are committed to providing sustainable and environmentally responsible business practices. We are passionate about providing exceptional customer service. Our company has a reputation for delivering exceptional value to our customers. Our company mostly focuses on the business strategy of core competitiveness, and we build an innovative team.
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![GOST Reducer]()
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![Steel Pipe Elbow]()
Steel Pipe ElbowBrand Name：HAIHAOread more
Habitat：CHINA
Execution Standard：ASME B16.9、GOST 17375、GOST 30753、DIN2605 -
![Eccentric Weld Reducer]()
Eccentric Weld ReducerStructure Type: Eccentric design.read more
Wall Thickness Classes: SCH10–SCH160, XXS, GOST, DIN, etc. -
![Steel Concentric Reducer]()
Steel Concentric ReducerStructure: Butt-Welding connection, concentric design.read more
Dimensions: Custom sizes availabl. -
![ASME Tee]()
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![GOST Elbow]()
GOST ElbowGost elbows – HAIHAO China. GOST 17375/30753. For oil/gas, chemical, power piping. DN15–1000 (21.3–1016mm), wall 2–60mm. 45°/90°/180°, R=1.0–5D, BW ends. Carbon/Stainless/Alloy steel. 1000 t/m...read more -
![Stainless Steel Weld Elbow]()
Stainless Steel Weld ElbowExecution Standard：ASME B16.9、GOST 17375、GOST 30753、DIN2605read more
Type/Model：90°,45°,180°; 1.0D、1.5D、3D
Wall Thickness Class：SCH10S、SCHSTD、SCH40S、SCH80S、SCHXS -
![ASME Reducer]()
ASME ReducerStructure：Forged construction.read more
Core Material: Carbon steel, stainless steel, alloy steel. -
![Din Reducer]()
Din Reducer1.Wall Thickness:This product follows the DIN standard series,with thickness ranging from 1mm to 5mm and 3mm to 40mm,fully satisfying the pressure rating demands of diverse pipeline systems....read more -
![Stainless Steel Reducer]()
Stainless Steel Reducer1. Brand and Origin:The brand of the product is HAIHAO and it is manufactured in China. The product meets the requirements of ASME B16. 9 GOST 17378 and DIN2616 standards.read more
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![GOST Pipe Cap]()
GOST Pipe Cap1.Size Range:DN15 to DN1000,outer diameter 21.3mm to 1016mm,covering common pipe sizes.read more
2.Wall Thickness:2mm to 60mm according to GOST standard,suitable for various pressure ratings and... -
![Threaded Pipe Elbow]()
Threaded Pipe ElbowDimensions: Nominal bore range DN15-DN100, optional angle 90°/45°, overall length manufactured in accordance with ASME B16.11 standard.read more
Customization: Accept customization of non-standard...
Jacqueline Smith
Through many times of cooperation, I have seen the spirit of your employees to work together, keep pace with the times and blaze new trails. Such a company will certainly have a broader prospect!
Ken Peterson
"Integrity, hard work" is synonymous with you, over the years, you continue to work hard, surpass yourself, strive to dedicate, and develop more high-quality products for this industry.
Kevin Weaver
Even though there were some unpleasant things happened during the cooperation, you still touched us with your sincerity.
Pierre Pease
This supplier adheres to the values of "honesty and trustworthiness, altruism and win-win" so that customers can buy the right products with confidence, and there is no need to worry about
Jamee Moore
This manufacturer has advanced production technology, strong production capacity and modern production base, so the product quality is very stable and the delivery is very fast.
Marcia Mori
We are lucky to work with you!
Steel Pipe Reducer - ESTAN PIPE FITTINGS CO., LTD...
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Today, when high efficiency, high quality and diversified life are advocated, 1 inch threaded tee, GOST Reducer, 4 x 3 concentric reducer has gradually penetrated into the hearts of every consumer and has become a pursuit of a new type of life. As one of the most professional steel pipe reducer fittings manufacturers and suppliers in China, we are able to meet the needs of the majority of our customers. Please rest assured to wholesale high quality steel pipe reducer fittings made in China here from our factory. For price consultation, contact us.