Wholesale PPR Reducing Coupling
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PPR Reducing Coupling
  • PPR Reducing Coupling

PPR Reducing Coupling

ZHSU PPR Coupling known as PPR reducer socket or bush, one end of the PPR coupling is greater in diameter than the other, it will be used under the situation of size variability of two PPR pipes or PPR fittings, which is manufactured according to German DIN standards with sizes ranging from 20mm up to 160mm. The outstanding temperature rating of up to 70 C and pressure rating of up to 25 Bar make the PP-R system the ideal solution for a variety of applications, has the advantage of convenience, a long lifetime, good hot-melting performance, and a smooth inside surface for small water resistance.
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Item Name PPR reducing coupling
Size 20-160mm
Pressure Pn 2.5Mpa
Material Polypropylene random, PPR beta
Color Green, gray, white, purple
Connection Hot melting
Standard DIN8077, DIN8078 ,ISO15874
Item name Product Code Size (mm) Packing (pc/ctn) Vol per Ctn (cbm) Weight (kg/pc)
PPR reducing coupling

RFY2520 25/20 960 0.0525 0.014
RFY3220 32/20 640 0.0525 0.02
RFY3225 32/25 640 0.0525 0.022
RFY4020 40/20 520 0.0525 0.034
RFY4025 40/25 520 0.0525 0.035
RFY4032 40/32 300 0.0525 0.038
RFY5020 50/20 300 0.0525 0.057
RFY5025 50/25 300 0.0525 0.057
RFY5032 50/32 300 0.0525 0.058
RFY5040 50/40 200 0.0525 0.065
RFY6320 63/20 150 0.0525 0.11
RFY6325 63/25 150 0.0525 0.11
RFY6332 63/32 150 0.0525 0.112
RFY6340 63/40 150 0.0525 0.114
RFY6350 63/50 120 0.0525 0.118
RFY7532 75/32 108 0.0525 0.161
RFY7540 75/40 108 0.0525 0.163
RFY7550 75/50 108 0.0525 0.168
RFY7563 75/63 75 0.0525 0.184
RFY9040 90/40 66 0.0525 0.264
RFY9050 90/50 66 0.0525 0.265
RFY9063 90/63 66 0.0525 0.278
RFY9075 90/75 51 0.0525 0.265
RFY11050 110/50 32 0.0525 0.437
RFY11063 110/63 32 0.0525 0.468
RFY11075 110/75 32 0.0525 0.485
RFY11090 110/90 27 0.0525 0.516
RFY160110 160/110 11 0.0525 1.034
About Us
Shanghai Zhongsu Pipe Co., Ltd.

Shanghai Zhongsu Pipe Co.,Ltd established in 2004 with 1.01 billion registration capital, situated in Jinshan district of shanghai china, occupied 70000 square meters. ZHSU specialized in producing PPR pipe, antibacterial PPR pipe, anti UV PPR pipe, PP-RCT pipe, PE-RT pipe, HDPE pipe and fittings with various materials, adopted high technology production line to improve productivity and provide customer with fast delivery time. OEM PPR Reducing Coupling Manufacturers and Wholesale PPR Reducing Coupling Factory in China. In order to cooperate with national rural drinking water safety project, ZHSU adopted large diameter facility for PE production, our biggest PE pipe diameter reached DN1200mm at present, ZHSU has become one of the manufacturers in china who can produce such large diameter PE pipe.

We adopted German brand Battenfeld-cincinnati production lines for plastic pipes to organize production in strictly accordance with international standards, the procedure from raw material purchasing to finished product delivery is fully under monitoring, passed ISO9001, ISO14001 and OHSAS18001 certification because of perfect management. Wholesale PPR Reducing Coupling. Besides we were nominated as ”Shanghai famous brand products, Shanghai high-tech enterprises and Shanghai famous trademarks”.

Certificate Of Honor
  • ISO14001
  • ISO9001
  • ISO45001
  • CNAS Accredited Laboratory Certificate
  • CE-Certificate
  • Classification Society Factory Accreditation Certificate
  • 2022CEC Certificate - Water Supply Pipe
  • 2022CEC Certificate - Gas Pipe
  • 2021 Measurement Management System Certificate
  • TSG Special Equipment Production Licence New Certificate
  • CNNC Qualified Supplier Certificate
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Product Knowledge

Are there any limitations or specific chemical environments that should be avoided to ensure optimal performance?
PPR Reducing Couplings are generally known for their chemical resistance, but it's essential to consider specific limitations and environments to ensure optimal performance. Here are considerations regarding limitations and chemical environments:
Chemical Resistance of PPR:
PPR is known for its excellent resistance to a wide range of chemicals, including acids, alkalis, and many organic substances.
While PPR is chemically resistant, it's crucial to be aware that no material is universally resistant to all chemicals.
Temperature Limits:
Consider the temperature limits of PPR Reducing Couplings. PPR is known for its ability to handle a broad temperature range, but exposure to extreme temperatures may impact its properties.
Avoidance of Specific Chemicals:
Identify specific chemicals or substances that may pose a challenge to PPR. Some aggressive chemicals or solvents could potentially affect the material over time.
Consult chemical compatibility charts or databases to cross-reference the resistance of PPR to specific chemicals.
Highly Corrosive Environments:
In highly corrosive environments with aggressive chemicals, it's advisable to evaluate whether PPR is the most suitable material for the application.
Consider alternative materials if the environment is exceptionally harsh or if the concentrations of certain chemicals are beyond the recommended limits.
Abrasive Substances:
PPR may be susceptible to abrasion in the presence of highly abrasive substances. Consider the nature of the transported fluids and whether they contain abrasive particles.
UV Exposure:
PPR can be sensitive to prolonged exposure to ultraviolet (UV) radiation from sunlight. If installations are outdoors or exposed to sunlight, consider using UV-stabilized PPR or providing protection against direct sunlight.
Specific Industry Guidelines:
Some industries may have specific guidelines or regulations regarding the materials suitable for particular chemical processes. Ensure compliance with industry standards and guidelines.
Testing or Pilot Studies:
Consider conducting testing or pilot studies in cases of uncertainty. This may involve exposure testing with small-scale samples to assess the reaction of PPR in a specific chemical environment.
Regular Inspection:
Implement a regular inspection and maintenance schedule to monitor the condition of PPR Reducing Couplings over time. This can help identify any signs of degradation or wear early on.
PPR is commonly used in water supply and plumbing applications where it exhibits excellent performance. However, when dealing with specific chemical processes or environments, careful consideration of the substances involved and their potential impact on PPR is essential. 
Shanghai Zhongsu Pipe Co., Ltd.
Shanghai Zhongsu Pipe Co., Ltd.