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  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.

PPR Stop Cock

ZHSU PPR Stop Cock, also known as concealed stop valves, are upgraded versions of ZHSU PPR globe valves. They not only fulfill all on-off functions of globe valves but also support flow regulation and throttling. Designed as built-in valves for shower enclosures, they are hidden under wall tiles—only the chrome-plated plate and knobs are visible, ensuring a neat appearance.
The valve’s opening and closing component is a plug-shaped disc with a flat or conical sealing surface, moving linearly along the fluid’s centerline. The valve stem operates in two ways: rising stem (stem lifts, hand wheel fixed) and rising-rotating stem (hand wheel and stem rotate and lift together, with nuts mounted on the valve body).
Manufactured to German DIN standards, they cover sizes from 20mm to 32mm. Each unit undergoes 100% shell and water sealing tests before delivery, guaranteeing reliable quality.

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Product Description

ZHSU PPR Stop Cock, a premium upgraded variant of traditional PPR globe valves, stands out as a high-performance concealed PPR valve ideal for modern shower enclosure piping systems. Beyond the full on-off control capabilities of standard globe valves, this versatile PPR valve delivers precise flow regulation and throttling performance to meet diverse water flow adjustment needs. Featuring a professional concealed design, it is fully installed and hidden beneath wall tiles, with only a sleek chrome-plated panel and control knob exposed. This streamlined structure perfectly integrates with bathroom decoration, creating a tidy, minimalist, and aesthetic piping layout without compromising overall interior style.

Engineered with reliable structural performance, the valve adopts a plug-shaped disc with flat or conical sealing surfaces, which moves linearly along the fluid centerline to ensure stable operation and tight sealing. It supports two practical valve stem working modes: rising stem type with fixed handwheel and liftable stem, and rising-rotating stem type where the handwheel and stem rotate and lift synchronously with body-mounted nuts, adapting to different installation and operation scenarios. Manufactured in strict compliance with German DIN industrial standards, this concealed PPR stop cock covers common specification sizes from 20mm to 32mm to fit most residential and commercial water piping projects. Every single product undergoes 100% rigorous shell pressure and water tightness tests before delivery, effectively eliminating leakage risks and delivering consistent, long-lasting, reliable quality for plumbing systems.

SPECIFICATIONS

Item Name

PPR stop valve

Size

20- 32 mm

Pressure

Pn 1.6Mpa

Body Material

Polypropylene random, PPR beta

Trim

Brass

Colour

Green, gray, white, purple

Connection

Hot melting

Standard

DIN8077, DIN8078 ,ISO16962

Item name

Product Code

Size (mm)

Packing (pc/ctn)

Vol per Ctn (cbm)

Weight (kg/pc)

PPR stop valve

RVML20

20

24

0.0233

0.405

RVML25

25

24

0.0233

0.435

RVML32

32

20

0.0233

0.460

About ZHSU Shanghai Zhongsu Pipe Co., Ltd.
Shanghai Zhongsu Pipe Co., Ltd. was founded in 2004 with a registered capital of 1.01 billion RMB. Located in Jinshan District, Shanghai, China, the company covers a production area of 70,000 square meters.

Specializing in the production of plastic pipes and fittings, ZHSU’s product portfolio includes PPR pipes, antibacterial PPR pipes, anti-UV PPR pipes, PP-RCT pipes, PE-RT pipes, SRPT pipes, and HDPE pipes. Equipped with advanced high-tech production lines, the company achieves high production efficiency and ensures fast and reliable product delivery for global customers.
ZHSU owns a CNAS-certified national laboratory. All plastic products adopt 100% imported raw materials sourced from Borealis and South Korea, guaranteeing green, healthy, and high-quality pipe products. We cherish every drop of water, which embodies our core social responsibility and corporate mission.

Adhering to the long-term development strategy of “Building First-class Enterprises, Manufacturing First-class Products, Delivering First-class Services and Forging First-class Brands”, ZHSU has maintained steady and sustainable business growth year by year.

The company is equipped with internationally advanced production lines and testing equipment for plastic pipe manufacturing. We conduct standardized production in strict compliance with national and international industry standards, with full-process quality monitoring covering raw material procurement to finished product delivery. Thanks to our comprehensive and standardized management system, we have obtained ISO9001, ISO 14001, and OHSAS18001 certifications. Additionally, our brand and products have been honored as “Shanghai Famous Brand Products”, “Shanghai High-tech Enterprise,” and “Shanghai Famous Trademark”.

ZHSU has established a complete and systematic product lineup, covering PP-R water supply pipes, antibacterial PP-R pipes, PP-RCT pipes, PE-RT floor heating pipes, HDPE water supply and drainage pipes, as well as supporting pipe fittings made of PP-R, PP-RCT, and HDPE materials. Our products are widely applied in various scenarios, including building water supply and drainage, municipal water supply and drainage, large-diameter underground drainage, sewage disposal, and rural water network renovation. Well-received across China, our products are also exported to overseas markets such as Southeast Asia, Africa, and Latin America.

To support national rural drinking water safety projects and nuclear power construction projects, ZHSU has introduced professional large-diameter PE pipe production equipment. At present, the maximum diameter of our PE pipes reaches DN1200mm, making us one of the domestic manufacturers capable of producing such large-diameter PE pipes in China.

Guided by the enterprise spirit of “Knowledge, Courage, Truth-seeking and Innovation” and the business philosophy of “Customer Priority, Quality-oriented, Efficient Management, Reputation and Sincerity”, ZHSU will keep breaking through technical and operational limitations. We sincerely cooperate with customers at home and abroad, relying on reliable product quality, competitive pricing, and thoughtful professional services, to create value and achieve win-win prosperity together!

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  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
  • Shanghai Zhongsu Pipe Co., Ltd.
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