Xiamen Sanideng Plastics Industry Co., Ltd. is one of the most reliable manufacturers and suppliers of pph single union swing check valve in China. With abundant experience, we warmly welcome you to wholesale premium pph single union swing check valve for sale here from our factory. Quality products and reasonable price are available.
1. Products Introduction
PPH Single union swing check valve is a non-return valve. When the medium flows in the specified direction, the valve disc is opened by the force of the medium; when the medium flows back, the valve disc and the sealing surface of the valve seat are tightly closed due to the self-weight of the valve disc and the action of the reverse force of the medium by the valve disc. Close to prevent the reverse flow of the medium. We use high-grade raw materials, which have good impact resistance, stable chemical properties, are not easy to react with other chemicals, and their hydrostatic strength is stronger than other materials. Therefore, it is widely used in metallurgy, electronics and other industries. In addition, the use of PPH single union swing check valve in the pickling tank or electrolyzer system can not only reduce the number of equipment maintenance, but also prolong the service life of the equipment. It is an indispensable parts in the chemical industry.
2. Main Features
a. Size:1/2"-2"
b. Flap type- No reversed pressure requirement to prevent the backflow. More safety and reliability.
c. Installation can be installed horizontally or vertically
d. Long service life- Nano molded material
e. Good performance on impact resistance, weather resistance and aging resistance
f. 100% Leak free inspection
g. CE certificate
3. Parameter
S/N | Material | SIZE | Operating Temperature © | |||||
DN (MM) | 15 | 20 | 25 | 32 | 40 | 50 | ||
Size (Inch) | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | ||
DIN | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
ANSI | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
JIS | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
PT | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
NPT | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
BSPF | PVC-U | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 55 ℃ |
PVC-C | ֍ | ֍ | ֍ | ֍ | ֍ | ֍ | 5 ℃ - 95 ℃ | |
Operating torque (N.M) | 2.00 | 2.50 | 4.00 | 5.00 | 7.50 | 1.00 | ∕ | |
Working Pressure (psi) | 150 | 150 | 150 | 150 | 150 | 150 | ||
Note: ֍ stands for the standard products @ stands for on request, if any requirements, please double check with Sanking team. N/A stands for not available | ||||||||
4. Dimension (Unit:mm)

SIZE | d | d1 | d2 | D | L | L1 | L2 | |||||||
ANSI | DIN | JIS | CNS | ANSI | DIN | JIS | CNS | |||||||
1/2" | (15) | 15 | 21.54 | 20.30 | 22.40 | 22.40 | 21.23 | 20.10 | 21.73 | 21.90 | 54.00 | 87.60 | 22.30 | 22.30 |
3/4" | (20) | 20 | 26.87 | 25.30 | 26.45 | 26.40 | 26.57 | 25.10 | 25.69 | 25.90 | 63.00 | 103.50 | 25.50 | 25.50 |
1" | (25) | 25 | 33.65 | 32.30 | 32.55 | 34.50 | 33.27 | 32.10 | 31.70 | 33.90 | 73.50 | 120.60 | 28.60 | 28.60 |
1-1/4" | (32) | 32 | 42.42 | 40.30 | 38.60 | 42.50 | 42.04 | 40.10 | 37.65 | 41.90 | 84.50 | 135.00 | 32.00 | 32.00 |
1-1/2" | (40) | 40 | 48.56 | 50.30 | 48.70 | 48.60 | 48.11 | 50.10 | 47.74 | 47.90 | 98.00 | 144.00 | 35.00 | 35.00 |
2" | (50) | 50 | 60.63 | 63.30 | 60.80 | 60.60 | 60.17 | 63.10 | 59.78 | 59.90 | 119.00 | 163.00 | 38.00 | 38.00 |
5. Application
The PPH Single union swing check are used in chemical industry, wastewater treatment, power plant construction, PCB production line, heavy acid and alkali industry, water purification engineering and other industries
6. Our Advantage
1. No MOQ: Which meet your sales promotion very well.
2. Sincere Service: We treat customers as god.
3. Good Quality: We have exacting QC system.High reputation in the market.
7. Certificate

8. Company Profile
SANKING has specialized in its core field of PVC, CPVC, PPH and PVDF Industrial Piping Systems since 1976. The facility is qualified by ISO 9001:2015, most of our products obtained the CE safety certification, TSG certification, NSF certification and various invent patents. At our most fundamental level, our goal is the continued evolution of the SANKING brand and delivering the results of a sustained growth to our distribution channels, supply and service partners, employees and investors. Welcome to be our distributor or equipment user, we will definitely provide you with more value-added services.

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